Fractional precious metal currency system and method

Abstract

A discrete physical article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the article includes a substrate and at least one filamentary element including precious or semi-precious metal retained relative to the substrate. The filamentary element is positioned and secured such that the discrete physical article includes a targeted precious-metal quantity physically present within the article and retained relative to the substrate. The targeted precious-metal quantity is determined based on at least one of filament length, filament cross-sectional geometry, metal purity or fineness, or measured mass. Manufacturing systems and methods for producing such discrete physical articles are also provided.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This application claims priority to U.S. Provisional Application No. 63 / 755,187, titled FRACTIONAL PRECIOUS METAL CURRENCY SYSTEM AND METHOD, filed February 6th, 2025, which is hereby incorporated by reference in its entirety.FIELD OF INVENTION

[0002] The present disclosure relates to physical articles whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the articles, and more particularly to the physical configurations of the discrete articles as well and systems and methods for manufacturing the same.BACKGROUND

[0003] Precious metals have historically been manufactured into value-bearing articles using bulk-metal processes such as casting, stamping, rolling, machining, or related forming techniques, and while such approaches are well suited to the manufacture of large precious-metal articles in terms of weight or physical size, they present increasing practical and economic challenges when applied to fractional and ultra-fractional precious-metal articles because relative material loss, tooling constraints, minimum viable feature sizes, and fixed process overhead can limit scalability and constrain achievable price points, often resulting in manufacturing costs that are high relative to the precious-metal content of the resulting article; certain manufacturers have employed thin-film deposition, sputtering, vapor deposition, or similar coating techniques to apply precious metals onto substrates, sometimes followed by lamination, and while such approaches enable the production of fractional precious-metal articles and fine control over deposited thickness, they involve specialized equipment, controlled processing environments, and capital investment that can limit scalability and contribute to increased manufacturing cost; separately, metallic elements have long been embedded within or affixed to substrates for electronic, electromagnetic, or document-security purposes, including conductive traces, antennas, security threads, and related structures, but such technologies are directed toward signal transmission, authentication, or tamper resistance rather than toward the manufacture of standardized, discrete physical articles in which value is materially attributable to a defined quantity of precious metal; accordingly, there remains interest in alternative approaches for producing precious-metal articles, particularly at fractional and ultra-fractional quantities where manufacturing overhead, tooling limitations, and process losses may become disproportionately large relative to the precious-metal content of each discrete article.SUMMARY

[0004] According to an aspect of the present disclosure, a discrete physical article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the article is provided. The article includes a substrate and at least one filamentary element including precious or semi-precious metal retained relative to the substrate. The filamentary element is positioned and secured such that the discrete physical article includes a targeted precious-metal quantity physically present within the article and retained relative to the substrate. The targeted precious-metal quantity is determined based on one or more of (i) filament length, (ii) filament cross-sectional geometry, (iii) metal purity or fineness, (iv) measured mass, or (v) combinations thereof.

[0005] According to another aspect of the present disclosure, a discrete physical article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the article is provided. The article includes a substrate having a three-dimensional geometry and at least one filamentary element including precious or semi-precious metal retained relative to the substrate. The filamentary element is positioned along a defined path on or within the substrate such that the discrete physical article includes a targeted precious-metal quantity physically present within the article and retained relative to the substrate. The targeted precious-metal quantity is within a defined tolerance.

[0006] According to another aspect of the present disclosure, a method of manufacturing discrete physical articles whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in each article is provided. The method includes providing a substrate. The method includes positioning, by a programmable motion system, a filamentary element including precious or semi-precious metal along a defined path relative to the substrate. The method includes retaining the filamentary element relative to the substrate. The method includes controlling an amount of the filamentary element associated with a discrete article region by controlling filament length and termination such that a targeted precious-metal quantity within a defined tolerance is achieved.

[0007] According to another aspect of the present disclosure, a manufacturing system for producing discrete physical articles whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in each article is provided. The system includes a programmable motion platform. The system includes an affixing head including a filament feed mechanism and a retention subsystem. The system includes a controller configured to coordinate motion, filament placement, and retention such that each discrete physical article includes a targeted precious-metal quantity physically present within the article and retained relative to a substrate. The targeted precious-metal quantity is within a defined tolerance.

[0008] According to another aspect of the present disclosure, a method of manufacturing a discrete physical article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the article is provided. The method includes dispensing a UV-curable resin relative to a substrate. The method includes positioning a filamentary element including precious or semi-precious metal into contact with the UV-curable resin. The method includes curing the UV-curable resin to retain the filamentary element relative to the substrate. The cured resin secures the filamentary element such that a targeted precious-metal quantity is physically present within a defined tolerance.

[0009] According to another aspect of the present disclosure, a method of manufacturing a discrete physical article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the article is provided. The method includes positioning a filamentary element including precious or semi-precious metal along a defined path relative to a substrate. The method includes applying ultrasonic energy to embed at least a portion of the filamentary element into the substrate or a material layer associated with the substrate. The ultrasonic embedding secures the filamentary element such that a targeted precious-metal quantity is physically present within a defined tolerance.BRIEF DESCRIPTION OF FIGURES

[0010] In order to describe the manner in which the above-recited and other features of the disclosure can be obtained, a more particular description will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. For better understanding, the like elements have been designated by like reference numbers throughout the various accompanying figures. While some of the drawings may be schematic or exaggerated representations of concepts, at least some of the drawings may be drawn to scale. Understanding that the drawings depict some example embodiments, the embodiments will be described and explained with additional specificity and detail through the use of the accompanying drawings in which:

[0011] FIG. 1 illustrates an isometric view of a manufacturing system configured for positioning and retaining filamentary elements relative to a substrate, according to aspects of the present disclosure;

[0012] FIG. 2A illustrates an isometric view of an affixing head positioned above a substrate, according to aspects of the present disclosure;

[0013] FIG. 2B illustrates a detail view of the affixing head and associated components during a filament placement operation, according to aspects of the present disclosure;

[0014] FIG. 3A illustrates a side view of an affixing head positioned relative to a substrate during a filament placement operation, according to aspects of the present disclosure;

[0015] FIG. 3B illustrates a top view of a substrate having a plurality of discrete article regions, according to aspects of the present disclosure;

[0016] FIG. 4 illustrates a top view of a substrate having a plurality of discrete article regions with filamentary elements, according to aspects of the present disclosure;

[0017] FIG. 5 illustrates a block diagram of a workflow for manufacturing discrete physical articles incorporating filamentary precious metal elements, according to aspects of the present disclosure;

[0018] FIG. 6A illustrates a workflow for retaining a filamentary element relative to a substrate, according to aspects of the present disclosure;

[0019] FIG. 6B illustrates an alternative workflow for retaining a filamentary element relative to a substrate, according to aspects of the present disclosure;

[0020] FIG. 6C illustrates another alternative workflow for retaining a filamentary element relative to a substrate, according to aspects of the present disclosure;

[0021] FIG. 7 illustrates a workflow depicting a singulation process for forming discrete articles from a substrate, according to aspects of the present disclosure;

[0022] FIG. 8 illustrates a workflow depicting a singulation process with repeatable filament length control, according to aspects of the present disclosure;

[0023] FIG. 9A illustrates an isometric view of a discrete article incorporating a filamentary element retained relative to a substrate, according to aspects of the present disclosure;

[0024] FIG. 9B illustrates an enlarged detail view of the discrete article of FIG. 9A, according to aspects of the present disclosure;

[0025] FIG. 9C illustrates a cross-sectional view of a discrete article showing retention of a filamentary element on a substrate, according to aspects of the present disclosure; and

[0026] FIG. 9D illustrates a cross-sectional view of a discrete article showing an alternative retention configuration with a channel, according to aspects of the present disclosure.DETAILED DESCRIPTION

[0027] The following description sets forth exemplary aspects of the present disclosure. It should be recognized, however, that such description is not intended as a limitation on the scope of the present disclosure. Rather, the description also encompasses combinations and modifications to those exemplary aspects described herein.

[0028] Precious metals have historically been manufactured into value-bearing articles using bulk-metal processes such as casting, stamping, rolling, machining, or related forming techniques. Such approaches are well suited to the manufacture of large precious-metal articles in terms of weight or physical size, but present increasing practical and economic challenges when applied to fractional and ultra-fractional precious-metal articles. In particular, when these techniques are used to form articles in fractional amounts, relative material loss, tooling constraints, minimum viable feature sizes, and fixed process overhead can limit scalability and constrain achievable price points, often resulting in manufacturing costs that are high relative to the precious-metal content of the resulting article. For example, dividing a single ounce of gold into hundreds or thousands of individual pieces requires repeated forming, handling, and processing operations, each contributing incremental cost, material loss, and process overhead. As article size decreases, these factors accumulate disproportionately, resulting in products that carry significant premiums relative to the value materially attributable to the quantity of precious or semi-precious metal physically present in the article.

[0029] In response to such challenges, certain manufacturers have employed thin-film deposition, sputtering, vapor deposition, or similar coating techniques to apply precious metals onto substrates, sometimes followed by lamination. Such approaches enable the production of fractional precious-metal articles and fine control over deposited thickness, but involve specialized equipment, controlled processing environments, and significant capital investment. These requirements can limit scalability and contribute to increased manufacturing cost. In addition, the quantity of precious metal physically present in deposition-based articles is related to coating thickness and available surface area. As a result, increasing precious-metal content may require larger article formats, while smaller formats may correspondingly necessitate reduced precious-metal mass. This relationship between surface area, thickness, and metal quantity can complicate efforts to maintain standardized physical form factors across a product series and may shift product differentiation toward surface design, artwork, or authentication features rather than toward value materially attributable to the quantity of precious metal physically present in the article.

[0030] Separately, metallic elements have long been embedded within or affixed to substrates for electronic, electromagnetic, or document-security purposes, including conductive traces, antennas, security threads, and related structures. Such technologies are directed toward signal transmission, authentication, or tamper resistance, and are not designed for the manufacture of standardized, discrete physical articles in which value is materially attributable to a defined quantity of precious metal. Accordingly, these approaches do not address manufacturing problems in which the quantity of precious metal itself is treated as the primary controlled variable at the level of the individual article. Instead, precious-metal geometry in such systems is selected to satisfy functional or security-related criteria, rather than to define and constrain material quantity as a value-determining attribute.

[0031] In summary, existing techniques for producing precious-metal articles are often impractical when applied to fractional and ultra-fractional precious-metal quantities, including quantities at which manufacturing overhead, tooling limitations, and process losses become disproportionately large relative to the precious-metal content of each discrete article, or where subdivision of bulk metal into many individual articles introduces substantial additional expense.

[0032] The present disclosure relates to discrete physical articles whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the article. Such articles may include, for example, bullion articles, collectible articles, trading cards, promotional articles, commemorative articles, or currency-like articles. The declared quantity of precious or semi-precious metal may be specified, communicated, or made objectively knowable in connection with the article such that the quantity is intended to be relied upon by a purchaser, holder, or third party as a basis of trade, exchange, investment, collectible valuation, redemption, or authentication.

[0033] In various aspects, the present disclosure provides articles, systems, and methods in which at least one filamentary element comprising precious or semi-precious metal is retained relative to a substrate. The filamentary element may comprise wire, strip, ribbon, bar, polygonal wire, or other elongate cross-sectional geometries formed of gold, silver, platinum, palladium, rhodium, iridium, ruthenium, or alloys thereof. The filamentary element may be positioned along a defined path and retained relative to the substrate such that each discrete physical article contains a targeted precious-metal quantity.

[0034] The targeted precious-metal quantity may be specified, controlled, determined, or expressed based on one or more of filament length, filament cross-sectional geometry, metal purity or fineness, measured mass, or combinations thereof. In some embodiments, the targeted precious-metal quantity is controlled on an article-by-article basis within a defined tolerance. The defined tolerance may limit variation in the targeted precious-metal quantity such that the declared quantity is satisfied within the defined tolerance for each discrete physical article.

[0035] The substrate may be planar or non-planar. A planar substrate may comprise a sheet material such as paper, polymer, composite, laminate, or resin-based material. A non-planar substrate may define a three-dimensional geometry and may comprise, for example, a coin, token, bar, cube, sphere, polyhedron, curved surface, organic geometry, or sculpted geometry. The filamentary element may be retained relative to the substrate by embedding, affixing, encapsulation, lamination, adhesion, mechanical confinement, ultrasonic bonding, thermal bonding, overmolding, or combinations thereof.

[0036] The present disclosure also provides manufacturing systems and methods for producing discrete physical articles incorporating filamentary precious-metal elements. A manufacturing system may include a programmable motion platform configured to position an affixing head relative to a substrate. The affixing head may be configured to deliver and retain a filamentary element comprising precious or semi-precious metal relative to the substrate. The manufacturing system may control an amount of the filamentary element associated with each discrete article region by controlling filament length and termination such that a targeted precious-metal quantity within a defined tolerance is achieved.

[0037] Retention of the filamentary element may be achieved using one or more of resin bonding, adhesive bonding, lamination, ultrasonic embedding, mechanical inlaying, thermal bonding, overmolding, or combinations thereof. In some embodiments, the retention material comprises a UV-curable resin. In some embodiments, the filamentary element is at least partially encapsulated by a protective layer such that removal of the filamentary element causes visible and irreversible damage to the article. In at least one embodiment, the filamentary element is fully encapsulated or encased by the substrate itself or within a layer stack associated with the substrate.

[0038] The declared quantity may be indicated on the article, on packaging accompanying the article, in a certificate of authenticity, or in a database record associated with an identifier of the article. In some embodiments, the targeted precious-metal quantity includes a purposeful overage relative to a declared minimum such that the declared minimum is met or exceeded by the targeted precious-metal quantity.

[0039] As referred to herein, a “filamentary element” may include elongate metallic member having a length substantially greater than a characteristic transverse dimension, including round wire, oval wire, polygonal wire, strip, ribbon, bar, or other elongate cross-sections. “Filamentary” may include strip or ribbon forms and other elongate members in which a declared precious-metal quantity is determinable based on length and cross-sectional geometry. The filamentary element may include precious or semi-precious metal and may be solid, alloyed, clad, plated, filled, or composite, including constructions in which a precious or semi-precious metal portion is supported by or combined with a non-precious carrier, provided that the declared quantity corresponds to the precious or semi-precious metal physically present.

[0040] As referred to herein, a “defined path” may include a predetermined or controllable placement trajectory along which a filamentary element is positioned relative to a substrate, the trajectory being specified by programmed motion, tooling geometry, guide structures, templates, or combinations thereof.

[0041] As referred to herein, a “planar substrate” may include a substrate having a major surface extending in two dimensions, including paper, fiber, fabric, polymer, plastic, ceramic, clay, resin-based, composite, laminate, wood-fiber, metal, or multi-layer constructions.

[0042] As referred to herein, the terms “retained,”“retention,” and variations thereof, may refer to things held, fixed, secured, constrained, or otherwise maintained in a defined spatial relationship relative to a substrate such that the filamentary element remains associated with the discrete physical article during normal handling and use. Retention may be achieved by embedding, affixing, encapsulation, lamination, adhesion, mechanical confinement, interference fit, ultrasonic bonding, thermal bonding, overmolding, or combinations thereof.

[0043] As referred to herein, “embedded” may include being positioned at least partially within a thickness of a substrate or within a layer stack associated with the substrate.

[0044] As referred to herein, “affixed” may include being coupled by adhesion, encapsulation, lamination, mechanical retention, ultrasonic bonding, thermal bonding, or combinations thereof.

[0045] As referred to herein, “physically present” may include being materially present as a tangible and measurable quantity of precious or semi-precious metal intentionally retained within or on a discrete physical article, such that the quantity contributes materially to the value of the article, and as distinguished from incidental, trace, residual, cosmetic, or non-quantitative metal amounts.

[0046] As referred to herein, a “discrete value-bearing article” may include a physically discrete article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the article.

[0047] As referred to herein, a “targeted precious-metal quantity” may include a specified quantity of precious or semi-precious metal intended to be present within a discrete physical article, determined based on filament length, filament cross-section, metal purity or fineness, measured mass, or combinations thereof. The targeted precious-metal quantity may be controlled and verified on an article-by-article basis within a defined tolerance.

[0048] As referred to herein, “continuous” may include being uninterrupted along a run within a discrete article. A discrete article may include one or more continuous runs, segmented runs, or combinations thereof. Filamentary elements may be cut between discrete articles during singulation.

[0049] As referred to herein, “tolerance” may include an allowable variation between a targeted precious-metal quantity and a corresponding declared quantity for a discrete physical article, such that the declared quantity is satisfied for the article in accordance with the defined tolerance. A tolerance may be expressed in absolute terms, relative terms, percentage-based terms, statistical terms, or combinations thereof, and may be defined with reference to one or more verification techniques including direct mass measurement, filament length control, geometric calculation, encoder feedback, metrology, or statistical sampling. A tolerance may be considered satisfied when the precious or semi-precious metal physically present in the discrete physical article meets or exceeds the declared quantity, including any declared minimum quantity, within the allowable variation.

[0050] As referred to herein, a “declared quantity” may include a specified quantity of precious or semi-precious metal associated with a discrete physical article, wherein the quantity is determined on an article-by-article basis and is communicated, represented, or made objectively knowable in connection with the article as a specified quantity such that the quantity is intended to be relied upon by a purchaser, holder, or third party as a basis of trade, exchange, investment, collectible valuation, redemption, or authentication. A declared quantity may be indicated on the article, on packaging accompanying the article, in a certificate of authenticity, by an identifier associated with the article, or by a physical or electronic record corresponding to the article. A declared quantity may be visually, textually, or symbolically represented, and need not be expressed in a specific unit system, provided that the declared quantity corresponds to a knowable quantity of precious or semi-precious metal physically present in the discrete physical article.

[0051] As referred to herein, a “substrate” may include a body, blank, carrier, or structural element to which a filamentary element is retained, including planar bodies and non-planar bodies having three-dimensional geometry. A substrate may single layer or multi-layer and may be comprised of paper, fiber, fabric, polymer, plastic, ceramic, clay, resin, epoxy, composite, laminate, wood-fiber, or combinations thereof.

[0052] As referred to herein, “article-by-article basis” may refer to a targeted precious-metal quantity that is specified, controlled, satisfied, or verifiable with respect to each discrete physical article individually, such that compliance with a declared quantity is determinable for each article, whether directly or indirectly, and not inferred solely from batch-level averaging or aggregate measurement.

[0053] Referring now to FIG. 1, a manufacturing system 100 is configured for positioning and retaining filamentary precious-metal elements relative to a substrate. The manufacturing system 100 may be used for producing discrete physical articles whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in each article. In at least one embodiment, the declared quantity may be indicative of the value of a batch or plurality of individual discrete articles. The manufacturing system 100 includes a motion platform 102, an affixing head 104, and a substrate 106.

[0054] The motion platform 102 comprises a gantry-style structure with linear rails extending along perpendicular axes. The motion platform 102 enables coordinated multi-axis movement of the affixing head 104 across a working surface. In some embodiments, the motion platform 102 comprises a programmable motion platform. The programmable motion platform may comprise a CNC machine, gantry system, robotic positioning system, articulated arm, or other motion-controlled apparatus capable of coordinated multi-axis movement. The motion platform 102 is supported by a frame structure that includes a table surface suitable for positioning the substrate 106 relative to the affixing head 104.

[0055] The affixing head 104 is mounted to the motion platform 102 and is positioned above the substrate 106. The affixing head 104 may include various components for delivering and retaining filamentary elements relative to the substrate 106, including a filament feed mechanism and retention material delivery components. The affixing head 104 is configured to deliver and retain a filamentary element comprising precious or semi-precious metal relative to the substrate 106.

[0056] The substrate 106 is positioned on the table surface of the manufacturing system 100 beneath the affixing head 104. The substrate 106 may be planar or non-planar. A display monitor may be mounted to one side of the manufacturing system 100, providing an interface for system control and monitoring.

[0057] The manufacturing system 100 is configured to enable programmable motion control for positioning the affixing head 104 along defined paths relative to the substrate 106, facilitating the placement and retention of filamentary precious-metal elements within discrete article regions of the substrate 106. In some embodiments, the manufacturing system 100 may include a registration system for aligning the filamentary element placement with the substrate 106. The registration system may facilitate accurate positioning of the filamentary element relative to features, boundaries, or discrete article regions defined on the substrate 106.

[0058] Referring to FIG. 2A, an affixing head 204 is positioned above a substrate 206. The affixing head 204 is configured to deliver and retain a filamentary element 208 relative to the substrate 206. In some embodiments, the affixing head 204 comprises a filament feed mechanism and a retention subsystem. The retention subsystem may include components for dispensing retention material and for curing or bonding the retention material after placement of the filamentary element 208.

[0059] The affixing head 204 includes a feed mechanism 210, shown as a spool mounted on an upper portion of the assembly, which supplies the filamentary element 208 to a placement region. The feed mechanism 210 may be actively driven or may include a feed release mechanism allowing the filamentary element 208 to be drawn by motion of the affixing head 204 during placement. In some embodiments, the feed mechanism 210 comprises a filament feed mechanism configured to advance the filamentary element 208 toward the placement region.

[0060] The filamentary element 208 may be supplied as precious metals wire, strip, or ribbon. In some embodiments, the filamentary element 208 comprises wire, strip, or ribbon such as is used in jewelry manufacturing and semiconductor manufacturing. Wire manufacturing is highly automated, allows for precision wire weights, and is efficient. The filamentary element 208 may comprise gold, silver, platinum, palladium, rhodium, iridium, ruthenium, or alloys thereof.

[0061] The affixing head 204 further includes a retention material delivery system 212 configured to dispense retention material 214 onto the substrate 206. A second instance of the retention material delivery system 212 may be integrated into a lower portion of the affixing head 204 near the placement region. The retention material delivery system 212 may form part of the retention subsystem of the affixing head 204.

[0062] Retention material 214 is shown deposited on the substrate 206 in an area where the filamentary element 208 is being placed. The retention material 214 may comprise an adhesive, resin, encapsulant, or bonding material. In some embodiments, the retention material 214 comprises a UV-curable resin.

[0063] An energy source 216 is positioned adjacent to the placement region and is configured to cure or bond the retention material 214 after placement of the filamentary element 208. The energy source 216 may comprise a UV light source, thermal source, ultrasonic source, or combinations thereof. In some embodiments, the energy source 216 forms part of the retention subsystem of the affixing head 204.

[0064] The substrate 206 is shown as a planar sheet having a plurality of discrete article regions arranged in a grid pattern. A detail view 2B is indicated by a circular callout on the substrate 206, highlighting an area where the filamentary element 208 and retention material 214 are being applied to the substrate 206.

[0065] Referring to FIG. 2B, a detail view of the affixing head 204 and associated components during a filament placement operation is shown. The affixing head 204 is positioned above the substrate 206, which includes a plurality of discrete article regions 220. The discrete article regions may be defined by physical attributes, such as recessed or embossed boundaries visible on a surface of the substrate 206. Other boundaries may be pre-programmed boundaries not visible but set by the controller. In one or more other embodiments, the boundaries may be defined in the control algorithm or coordinates fed to the affixing head 204 during manufacturing. In some embodiments, the boundaries may be marked visually via ink, marker, other prints, light features, material color, and so forth. The filamentary element 208 extends from the affixing head 204 and is being placed along a defined path 218 on the substrate 206.

[0066] The defined path 218 may follow a serpentine or meandering trajectory within one of the discrete article regions 220. In some embodiments, the defined path 218 includes linear segments, curved segments, compound curves, or combinations thereof. The filamentary element 208 may follow a machine-defined path including curved segments. The defined path 218 may be a predetermined or controllable placement trajectory along which the filamentary element 208 is positioned relative to the substrate 206, the trajectory being specified by programmed motion, tooling geometry, guide structures, templates, or combinations thereof.

[0067] The energy source 216 is positioned on the affixing head 204 and is oriented toward a placement region where the filamentary element 208 contacts the substrate 206. The energy source 216 may be configured to cure or bond the retention material 214 to secure the filamentary element 208 to the substrate 206. In some embodiments, the energy source 216 comprises a UV light source configured to cure a UV-curable resin dispensed as the retention material 214.

[0068] The arrangement shown in FIG. 2B demonstrates a spatial relationship between the affixing head 204, the filamentary element 208, and the substrate 206 during the placement process. The defined path 218 illustrates how the filamentary element 208 is routed within the discrete article regions 220. In some embodiments, the affixing head 204 is fixed with a rotatable coupling to the motion platform 102 such that the affixing head 204 is configured to provide tangential orientation control such that a distal portion of the affixing head 204 is maintained in a controlled orientation relative to a local direction of travel along the defined path 218.

[0069] Referring to FIG. 3A, a side view of an affixing head 304 positioned relative to a substrate 306 during a filament placement operation is shown. The affixing head 304 is shown at an angle relative to the substrate 306, which extends horizontally as a planar surface. A filamentary element 308 is being delivered and positioned along the substrate 306.

[0070] The affixing head 304 includes a retention material delivery system 312 configured to dispense retention material 314 onto the substrate 306. The retention material 314 is shown deposited on the substrate 306 in a region where the filamentary element 308 contacts a surface of the substrate 306. In some embodiments, the retention material 314 comprises a UV-curable resin, an adhesive, an encapsulant, or a bonding material.

[0071] An energy source 316 is incorporated within the affixing head 304 and is configured to cure or bond the retention material 314 after placement of the filamentary element 308. The energy source 316 may comprise a UV light source, a thermal source, an ultrasonic source, or combinations thereof. In some embodiments, the energy source 316 is positioned to direct curing energy toward the retention material 314 at or near a location where the filamentary element 308 contacts the retention material 314.

[0072] A filament delivery system 322 is associated with the affixing head 304 and is configured to supply the filamentary element 308 toward a placement region on the substrate 306. The filament delivery system 322 may be actively driven or may include a feed release mechanism allowing the filamentary element 308 to be drawn by motion of the affixing head 304 during placement. In some embodiments, the filament delivery system 322 advances the filamentary element 308 at a controlled rate corresponding to a travel speed of the affixing head 304 along a defined path.

[0073] The arrangement shown in FIG. 3A depicts a spatial relationship between the components during the retention process. The filamentary element 308 is brought into contact with the retention material 314 on the substrate 306. The retention material delivery system 312 may dispense the retention material 314 onto the substrate 306 in advance of, concurrent with, or subsequent to placement of the filamentary element 308. The filamentary element 308 is subsequently secured through activation of the energy source 316, which cures or bonds the retention material 314 to retain the filamentary element 308 relative to the substrate 306. In some embodiments, the energy source 316 is activated with a controlled spatial offset relative to a point where the filamentary element 308 contacts the retention material 314, allowing the retention material 314 to receive the filamentary element 308 prior to curing.

[0074] Referring to FIG. 3B, a top view of the substrate 306 having a plurality of discrete article regions 320 arranged in a grid pattern is shown. The substrate 306 comprises a planar sheet material with the discrete article regions 320 organized in rows and columns. In some embodiments, the substrate 306 comprises a sheet having multiple discrete article regions 320 that are processed prior to singulation into individual discrete physical articles. In other embodiments, the substrate 306 is first singulated into individual discrete physical articles, and the individual discrete physical articles are subsequently processed, each being positioned relative to the affixing head 304 for direct affixation of the filamentary element.

[0075] The affixing head 304 is positioned over one of the discrete article regions 320 near a bottom portion of the substrate 306. The affixing head 304 is shown in the process of placing the filamentary element 308 along a defined path 318 within the discrete article region 320. The defined path 318 is indicated by a dashed line extending horizontally across the discrete article region 320. In some embodiments, the defined path 318 comprises a predetermined or controllable placement trajectory along which the filamentary element 308 is positioned relative to the substrate 306.

[0076] The retention material 314 is dispensed along the defined path 318 to secure the filamentary element 308 to the substrate 306. The affixing head 304 includes mechanisms for delivering the filamentary element 308 and the retention material 314 as the affixing head 304 traverses the defined path 318. In some embodiments, the retention material 314 comprises a UV-curable resin that is cured by an energy source to retain the filamentary element 308 relative to the substrate 306.

[0077] The arrangement shown in FIG. 3B demonstrates a sheet-based production configuration in which the affixing head 304 sequentially processes each discrete article region 320 on the substrate 306. The affixing head 304 places and retains the filamentary element 308 within each discrete article region 320 prior to singulation of the individual discrete article regions 320 into separate discrete physical articles. In some embodiments, the manufacturing system processes the substrate 306 in a continuous or semi-continuous manner, placing filamentary elements within each discrete article region 320 prior to singulation. In at least some embodiments, singulation of the substrate 306 occurs first, and individual discrete physical articles are subsequently processed, placing filamentary elements within each discrete physical article, so that each discrete physical article contains a targeted precious-metal quantity that is controlled on an article-by-article basis within a defined tolerance.

[0078] In some embodiments, a method of manufacturing discrete physical articles includes singulating a sheet or body into multiple discrete physical articles. The singulation may be performed after placement and retention of the filamentary element 308 within each discrete article region 320. Singulation may be achieved by cutting, punching, die-cutting, milling, or other separation techniques to form multiple discrete physical articles from the substrate 306. Each discrete physical article formed by singulation contains a targeted precious-metal quantity that is controlled on an article-by-article basis within a defined tolerance.

[0079] Referring to FIG. 4, a top view of a substrate 406 having a plurality of discrete article regions 420a, 420b arranged in a grid pattern is shown. The substrate 406 is shown as a rectangular sheet containing eighteen discrete article regions organized in six rows and three columns. In some embodiments, the substrate 406 comprises a planar sheet material such as paper, polymer, fabric, ceramic, clay, composite, laminate, or resin-based material.

[0080] Each discrete article region 420a, 420b contains a filamentary element 408a, 408b positioned along a defined path. The filamentary elements 408a, 408b are arranged in a spiral or coiled configuration within their respective discrete article regions 420a, 420b. In some embodiments, the filamentary element 408a, 408b comprises one or more continuous runs, segmented runs, or combinations thereof. The spiral or coiled configuration may comprise a single continuous filamentary element within each discrete article region 420a, 420b.

[0081] Retention material 414a, 414b is shown associated with each filamentary element 408a, 408b, securing the filamentary elements 408a, 408b to the substrate 406. The retention material 414a, 414b may comprise a UV-curable resin, an adhesive, an encapsulant, or a bonding material. In some embodiments, the retention material 414a, 414b at least partially encapsulates the filamentary element 408a, 408b such that removal of the filamentary element 408a, 408b causes visible and irreversible damage to the discrete physical article. In other embodiments, the retention material 414a, 414b secures the filamentary element 408a, 408b in a manner that permits removal without visible or irreversible damage to the discrete physical article.

[0082] The discrete article regions 420a, 420b are delineated by boundary lines indicating where the substrate 406 may be singulated to form individual discrete physical articles. Each discrete article region 420a, 420b contains a filamentary element 408a, 408b following a substantially similar spiral path. The substantially similar path enables consistent precious-metal quantity across the plurality of discrete articles formed from the substrate 406. In other embodiments, the filamentary elements 408a, 408b follow differing paths or lengths within different discrete article regions 420a, 420b such that the substrate 406 yields discrete physical articles having differing precious-metal quantities formed during a single processing run.

[0083] In some embodiments, the targeted precious-metal quantity is provided by a single continuous filamentary element within each discrete article region 420a, 420b. The spiral or coiled arrangement allows a controlled length of the filamentary element 408a, 408b to be positioned within each discrete article region 420a, 420b. The filament length, in combination with a cross-sectional geometry and a purity or fineness of the precious metal, defines the targeted precious-metal quantity for each discrete physical article. The targeted precious-metal quantity may be controlled on an article-by-article basis within a defined tolerance.

[0084] The arrangement shown in FIG. 4 demonstrates a sheet-based production approach in which multiple discrete article regions 420a, 420b are processed on a common substrate 406 prior to separation into individual discrete physical articles. In some embodiments, the filamentary element 408a, 408b is arranged along a geometry selected at least in part to define the targeted precious-metal quantity independently of decorative or functional performance. The spiral or coiled configuration provides a compact arrangement that accommodates a desired filament length within the boundaries of each discrete article region 420a, 420b.

[0085] Referring to FIG. 5, a workflow 500 for manufacturing discrete physical articles incorporating filamentary precious-metal elements is shown. The workflow 500 illustrates a block diagram of the various components and subsystems that cooperate to produce discrete physical articles whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in each article.

[0086] The workflow 500 includes a block 524 representing defined paths or a program that provides instructions for the manufacturing process. The block 524 may store path data, filament length parameters, placement trajectories, and other manufacturing instructions. In some embodiments, the block 524 comprises programmed motion instructions that specify the defined path along which the filamentary element is to be positioned relative to the substrate.

[0087] The block 524 is connected to a block 526 representing a controller. The controller at block 526 manages and coordinates the various components of the manufacturing system. In some embodiments, the controller at block 526 is configured to coordinate motion, filament placement, and retention such that each discrete physical article includes a targeted precious-metal quantity physically present within the article and retained relative to a substrate. The controller at block 526 may receive path data and manufacturing parameters from the block 524 and generate coordinated control signals for the subsystems of the manufacturing system.

[0088] The controller at block 526 is connected to three subsystems. A block 528 represents a filamentary element delivery system configured to supply the filamentary precious-metal element. The filamentary element delivery system at block 528 may advance the filamentary element toward a placement region at a controlled rate. In some embodiments, the filamentary element delivery system at block 528 includes encoder feedback or other measurement mechanisms to track the length of filamentary element dispensed.

[0089] A block 530 represents a programmable motion platform that provides controlled positioning during the manufacturing process. The programmable motion platform at block 530 may comprise a CNC machine, gantry system, robotic positioning system, articulated arm, or other motion-controlled apparatus capable of coordinated multi-axis movement. The programmable motion platform at block 530 positions an embedding head relative to the substrate along the defined path specified by the block 524.

[0090] A block 532 represents a retention material delivery system configured to dispense retention material onto the substrate. The retention material delivery system at block 532 may dispense a UV-curable resin, adhesive, encapsulant, or bonding material. In some embodiments, the block 532 is technically optional based on the manufacturing approach selected, such as when ultrasonic embedding or thermal bonding is employed without a separate retention material.

[0091] The filamentary element delivery system at block 528, the programmable motion platform at block 530, and the retention material delivery system at block 532 are each connected to a block 534 representing an embedding head. The embedding head at block 534 receives inputs from these three subsystems as well as the controller at block 526, to perform the placement and retention of the filamentary element relative to the substrate. In some embodiments, the embedding head at block 534 corresponds to the affixing head described with reference to FIGS. 2A, 2B, 3A, and 3B.

[0092] The workflow 500 further includes a block 536 representing a filamentary element, a block 538 representing an energy source, and a block 540 representing retention material. The block 536, block 538, and block 540 are associated with the embedding head at block 534 and contribute to the retention process. The energy source at block 538 may comprise a UV light source, thermal source, ultrasonic source, pressure source, or combinations thereof. The retention material at block 540 may comprise a UV-curable resin, adhesive, or encapsulant.

[0093] A block 542 represents a substrate onto which the filamentary element is positioned and retained. The substrate at block 542 may be planar or non-planar. The substrate at block 542 is connected to a block 544 representing singulation, which is the process of separating the substrate into individual discrete physical articles. In at least some embodiments, block 542 represents an individual discrete physical article that has already been singulated and is processed independently, such that filamentary elements are positioned and retained on an article-by-article basis to achieve a targeted precious-metal quantity within a defined tolerance.

[0094] The singulation at block 544 produces multiple discrete physical articles, represented by a block 546a, a block 546b, and a block 546c. Each discrete physical article at block 546a, block 546b, and block 546c contains a targeted precious-metal quantity that is controlled on an article-by-article basis. The targeted precious-metal quantity is within a defined tolerance based on the defined paths, filament length, cross-sectional geometry, and metal purity or fineness as managed by the controller at block 526.

[0095] The controller at block 526 coordinates the various subsystems to achieve precision control of wire length within a few millimeters. The precision control provides manufacturing consistency of the product weight. In some embodiments, the manufacturing system provides precision control via manufacturing automation of the length of the wire embedded within a few millimeters for control and manufacturing consistency of the product weight compared to traditional casting methods. The controller at block 526 may adjust filament feed rate, motion platform speed, and termination timing to achieve the targeted precious-metal quantity within the defined tolerance for each discrete physical article.

[0096] Referring to FIGS. 6A-6C, three alternative workflows 600a, 600b, and 600c for retaining a filamentary element relative to a substrate are shown. Each workflow represents a different sequence of operations for positioning and securing the filamentary element. The workflows 600a, 600b, and 600c illustrate that the filamentary element may be retained by a resin, adhesive, lamination layer, ultrasonic bond, mechanical inlay, thermal bond, pressure, or combinations thereof.

[0097] A workflow 600a shown in FIG. 6A begins with a block 648, where retention material is dispensed onto the substrate. The retention material may comprise a UV-curable resin, an adhesive, an encapsulant, or a bonding material. The workflow 600a then proceeds to a block 650, where the filamentary element is fed into the retention material. The filamentary element contacts the retention material that has been dispensed on the substrate surface. The workflow 600a concludes with a block 652, where an energy source is applied to cure or bond the retention material. In some embodiments, the energy source comprises a UV light source that cures the UV-curable resin to secure the filamentary element relative to the substrate.

[0098] With reference to FIG. 6B, a workflow 600b begins with a block 654, where the filamentary element is introduced to the substrate surface. The filamentary element is positioned along a defined path on the substrate prior to dispensing of retention material. The workflow 600b then proceeds to a block 656, where retention material is dispensed on top of the filamentary element. The retention material covers at least a portion of the filamentary element. The workflow 600b concludes with a block 658, where an energy source is applied to cure or bond the retention material. In some embodiments, a method of manufacturing discrete physical articles includes retaining the filamentary element by dispensing a curable resin and curing the resin after filament placement.

[0099] Referring to FIG. 6C, a workflow 600c begins with a block 660, where the filamentary element is introduced to the substrate surface. The workflow 600c then proceeds to a block 662, where an energy source is directed to the top of the filamentary element and the substrate. In the workflow 600c, the energy source bonds the filamentary element directly to the substrate without a separate retention material dispensing step. In some embodiments, the energy source comprises an ultrasonic source or a thermal source that creates a bond between the filamentary element and the substrate. In at least some embodiments, the energy source comprises mechanical force, pressure, or placement such that the filamentary element is retained relative to the substrate or a layer stack associated with the substrate.

[0100] The workflows 600a, 600b, and 600c provide alternative approaches for achieving retention of the filamentary element. The workflows 600a and 600b employ retention material dispensed either before or after filamentary element placement, respectively. The workflow 600c employs direct energy bonding between the filamentary element and the substrate without separate retention material. In some embodiments, workflow 600c employs energy in the form of applied mechanical force or pressure, including manual or automated pressing or placement, such that the filamentary element is retained relative to the substrate or an associated layer stack without a separately dispensed retention material.

[0101] In some embodiments, UV epoxy embedding as illustrated in the workflows 600a and 600b is substrate agnostic. UV epoxy embedding may be applied to substrates comprising paper, polymer, ceramic, clay, composite, laminate, resin-based material, metal, or other materials without requiring substrate-specific process adjustments. UV epoxy embedding reduces temperature variables from the manufacturing process. The reduction of temperature variables allows for greater wire arrangement freedom and precision compared to processes that rely on temperature-dependent bonding mechanisms. In some embodiments, UV epoxy embedding provides consistent retention characteristics across a range of substrate materials and environmental conditions.

[0102] Referring to FIG. 7, a workflow 700 illustrating a singulation process for forming discrete articles from a substrate is shown. The workflow 700 demonstrates how multiple discrete articles, each containing a filamentary element, are produced from a single substrate through the singulation process.

[0103] On a left side of FIG. 7, a substrate 706 is shown with a plurality of discrete article regions arranged in a grid pattern. The substrate 706 includes a discrete article 720a, a discrete article 720b, a discrete article 720c, and a discrete article 720d. Each discrete article region contains a filamentary element 708 positioned along a defined path. The filamentary element 708 may be arranged in a spiral, coiled, serpentine, or other configuration within each discrete article region on the substrate 706.

[0104] A block 764 labeled "Singulation" indicates the separation process. The singulation at block 764 separates the substrate 706 into individual discrete articles. In some embodiments, singulation comprises cutting, punching, die-cutting, milling, or other separation techniques. The singulation process at block 764 may include cutting the filamentary element 708 between discrete article regions. In some embodiments, a method of manufacturing discrete physical articles includes cutting the filamentary element between discrete article regions.

[0105] On a right side of FIG. 7, the discrete articles are shown after singulation. The discrete article 720a, the discrete article 720b, the discrete article 720c, and the discrete article 720d are separated from one another. Each discrete article 720a, 720b, 720c, 720d retains its respective filamentary element 708 after singulation. The filamentary element 708 remains retained relative to the substrate material of each discrete article following the singulation process.

[0106] In some embodiments, ends of the filamentary element 708 may be exposed at edges of the discrete articles as a result of singulation. The exposed ends may result from cutting the filamentary element 708 at boundaries between adjacent discrete article regions during the singulation process. Each discrete article 720a, 720b, 720c, 720d contains a targeted precious-metal quantity that is controlled on an article-by-article basis within a defined tolerance. The targeted precious-metal quantity is determined based on the length of the filamentary element 708 retained within each discrete article, in combination with the cross-sectional geometry and purity or fineness of the precious metal.

[0107] Referring to FIG. 8, a workflow 800 illustrating a singulation process with repeatable filament length control is shown. The workflow 800 demonstrates how discrete articles 820 are formed from a substrate 806 having filamentary elements 808 retained thereon, with the filament length controlled to achieve a targeted precious-metal quantity within a defined tolerance.

[0108] On a left side of FIG. 8, the substrate 806 is shown as a planar sheet containing a plurality of discrete article regions. Each discrete article region includes a filamentary element 808 arranged in a spiral or coiled pattern. The filamentary element 808 may comprise precious or semi-precious metal such as gold, silver, platinum, palladium, rhodium, iridium, ruthenium, or alloys thereof. The spiral or coiled arrangement allows a controlled length of the filamentary element 808 to be positioned within each discrete article region on the substrate 806.

[0109] The workflow 800 proceeds through a block 864 labeled "Singulation”. The block 864 represents the separation process in which the substrate 806 is divided into individual discrete articles 820. The singulation at block 864 includes controlling an amount of the filamentary element 808 associated with each discrete article region by controlling filament length and termination such that a targeted precious-metal quantity within a defined tolerance is achieved.

[0110] On a right side of FIG. 8, following the singulation process represented by block 864, the discrete articles 820 are shown separated from one another. Each discrete article 820 retains a respective filamentary element 808 in the spiral or coiled arrangement. The discrete articles 820 are depicted as individual disc-shaped or coin-shaped units, each containing a targeted precious-metal quantity that is controlled on an article-by-article basis.

[0111] In some embodiments, a method of manufacturing discrete physical articles whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in each article includes providing a substrate, positioning, by a programmable motion system, a filamentary element comprising precious or semi-precious metal along a defined path relative to the substrate, retaining the filamentary element relative to the substrate, and controlling an amount of the filamentary element associated with a discrete article region by controlling filament length and termination such that a targeted precious-metal quantity within a defined tolerance is achieved.

[0112] The value of each discrete article 820 may be controlled by controlling a diameter and a length of the filamentary element 808 and a type of precious metal comprising the filamentary element 808. In some embodiments, the targeted precious-metal quantity is derived from filament length and metal purity or fineness. The filament length, in combination with a cross-sectional geometry of the filamentary element 808 and a purity or fineness of the precious metal, defines the targeted precious-metal quantity for each discrete article 820. The cross-sectional geometry may include a diameter for round wire or a width and thickness for strip or ribbon geometries, or other dimensional calculations for polygonal or asymmetric geometries.

[0113] The repeatable filament length control indicated at block 864 enables consistent precious-metal quantity across the plurality of discrete articles 820 formed from the substrate 806. In some embodiments, the manufacturing system provides precision control via manufacturing automation of the length of the filamentary element 808 embedded within each discrete article region. The precision control of filament length provides manufacturing consistency of the product weight compared to traditional casting methods. The controller may adjust filament feed rate, motion platform speed, and termination timing to achieve the targeted precious-metal quantity within the defined tolerance for each discrete article 820.

[0114] Termination of the filamentary element between discrete article regions may be performed by a cutting mechanism, shearing mechanism, thermal severing mechanism, ultrasonic severing mechanism, scoring-and-break mechanism, pull-break mechanism, or combinations thereof. In some embodiments, a method of manufacturing discrete physical articles includes cutting the filamentary element between discrete article regions such that each discrete article region receives a controlled amount of the filamentary element. The filamentary element may be placed as one or more continuous runs, segmented runs, or combinations thereof within each discrete article region.

[0115] A continuous run comprises an uninterrupted length of the filamentary element within a discrete article region, while a segmented run comprises multiple discrete lengths of the filamentary element within a discrete article region. Controlling filament length and termination achieves the targeted precious-metal quantity within a defined tolerance by coordinating the cutting or severing operation with the defined path such that the amount of filamentary element associated with each discrete article region corresponds to the targeted precious-metal quantity. In some embodiments, a controller coordinates termination timing with motion platform position and filament feed rate to achieve the targeted precious-metal quantity within the defined tolerance on an article-by-article basis. The termination location may be determined based on programmed path length, encoder feedback indicating fed filament length, or motion-system path-length reconciliation based on commanded or measured travel distance. In at least some embodiments, a single continuous run extends across multiple discrete article regions prior to singulation, such that singulation itself defines the portion of the filamentary element associated with each discrete physical article, thereby causing each discrete physical article to achieve the targeted precious-metal quantity within the defined tolerance, optionally resulting in exposed filamentary edges unless removed before or after singulation; alternatively, continuous or segmented runs may begin and terminate entirely within each discrete article region.

[0116] Referring to FIG. 9A, a discrete article 920 incorporating a filamentary element 908 retained relative to a substrate 906 is shown. The discrete article 920 comprises a discrete physical article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the article. The substrate 906 comprises a planar substrate having a rectangular form factor. In some embodiments, the substrate 906 comprises a planar body formed of paper, fabric, polymer, ceramic, clay, composite, laminate, metal, or resin-based material.

[0117] The filamentary element 908 comprises precious or semi-precious metal and is positioned along a defined path on the substrate 906. The defined path includes a curved segment forming a loop or arc configuration. In some embodiments, the filamentary element 908 comprises gold, silver, platinum, palladium, rhodium, iridium, ruthenium, or alloys thereof. The filamentary element 908 is retained relative to the planar substrate 906 such that the discrete article 920 includes a targeted precious-metal quantity physically present within the article.

[0118] A retention material 914 is disposed over the filamentary element 908. The retention material 914 secures the filamentary element 908 to the substrate 906. The retention material 914 encapsulates at least a portion of the filamentary element 908 such that the filamentary element 908 is retained in a fixed spatial relationship relative to the substrate 906. In some embodiments, the retention material 914 comprises a UV-curable resin, an adhesive, an encapsulant, or a bonding material. A detail region A is indicated on the discrete article 920, corresponding to an area shown in greater detail in FIG. 9B.

[0119] Referring to FIG. 9B, an enlarged detail view of the discrete article 920 corresponding to detail region A of FIG. 9A is shown. The filamentary element 908 extends along a curved defined path on the substrate 906. Ends of the filamentary element 908 are visible at an upper portion of the view. In some embodiments, the ends of the filamentary element 908 result from termination of the filamentary element 908 during the manufacturing process or from singulation of the discrete article 920 from a larger substrate.

[0120] The retention material 914 covers and encapsulates the filamentary element 908. The retention material 914 retains the filamentary element 908 relative to the substrate 906. In some embodiments, at least a portion of the filamentary element 908 is encapsulated by a protective layer comprising the retention material 914. The encapsulation by the retention material 914 secures the filamentary element 908 such that the filamentary element 908 is positioned and secured relative to the planar substrate 906.

[0121] The enlarged view in FIG. 9B provides additional clarity regarding a spatial relationship between the filamentary element 908, the retention material 914, and the substrate 906 within the discrete article 920. The filamentary element 908 is retained in a fixed position relative to the substrate 906 by the retention material 914. In some embodiments, the retention material 914 mechanically locks the filamentary element 908 such that removal of the filamentary element 908 causes visible and irreversible damage to the discrete article 920. The encapsulation of the filamentary element 908 by the retention material 914 provides tamper evidence and secures the targeted precious-metal quantity within the discrete article 920. In at least one embodiments, the retention material 914 secures the filamentary element 908 in a manner that permits removal without visible or irreversible damage to the discrete article 920, such that the precious or semi-precious metal can be reasonably reclaimed and separated from the discrete article 920.

[0122] Referring to FIG. 9C, a cross-sectional view of the discrete article 920 showing retention of the filamentary element 908 on the substrate 906 is shown. The substrate 906 is depicted as a rectangular body extending horizontally. The filamentary element 908 is positioned on an upper surface of the substrate 906 and is at least partially encapsulated by the retention material 914. The retention material 914 forms a dome-shaped or arcuate profile over the filamentary element 908. The filamentary element 908 and the retention material 914 may be proud of an upper surface of the substrate 906.

[0123] The filamentary element 908 has a height h and a width w as indicated in FIG. 9C. The height h corresponds to a vertical dimension of the filamentary element 908. The width w corresponds to a horizontal dimension of the filamentary element 908 at an interface with the substrate 906. In some embodiments, the filamentary element 908 has a characteristic transverse dimension between 0.01 mm and 25.0 mm. The characteristic transverse dimension may correspond to the height h, the width w, a diameter for round wire, or another dimension representative of the cross-sectional geometry of the filamentary element 908.

[0124] Referring to FIGS. 9C and 9D, the filamentary element 908 may have a range of acceptable heights h and widths w depending on whether the filamentary element is in a pre-affixed state or a post-affixed or embedded state within the substrate 906. In some embodiments, prior to affixation or embedding, the filamentary element 908 has a height h and width w corresponding to its as-supplied geometry, such as when dispensed from a spool, including round, rectangular, ribbon, bar, or irregular cross-sectional forms. In such pre-affixed configurations, the height h and width w may each independently range from approximately 0.01 mm to approximately 25.0 mm.

[0125] In post-affixed or embedded configurations, deformation, compression, partial encapsulation, or channel confinement may alter the effective height H and width W of the filamentary element 908 relative to the substrate surface. In such embodiments, the filamentary element 908 may exhibit a reduced exposed height, a widened contact interface, or a partially recessed profile while maintaining the targeted precious-metal quantity.

[0126] For embedded configurations such as shown in FIG. 9D, the substrate 906 may define a channel having a depth selected to receive the filamentary element 908. In some embodiments, the channel depth ranges from approximately 0.005 mm to approximately 30.0 mm, and in certain embodiments from approximately 0.05 mm to approximately 5.0 mm, depending on filament geometry, substrate material, and desired surface finish. The channel depth may be less than, equal to, or greater than the height h of the filamentary element, such that the filamentary element is flush with, recessed below, or partially protruding from the substrate surface after placement. In some embodiments, the filamentary element is completely embedded into the substrate, so that the substrate or a layer stack associated with the substrate completely encapsulates or surrounds the filamentary element.

[0127] The retention material 914 covers the filamentary element 908 and contacts the upper surface of the substrate 906 on either side of the filamentary element 908. The retention material 914 secures the filamentary element 908 in a fixed spatial relationship relative to the substrate 906. In some embodiments, the retention material 914 comprises a UV-curable resin that encapsulates the filamentary element 908 such that removal of the filamentary element 908 causes visible and irreversible damage to the discrete article 920. In at least some embodiments, the retention material 914 secures the filamentary element 908 in a manner that permits removal without visible or irreversible damage to the discrete article 920, such that the precious or semi-precious metal can be reasonably reclaimed and separated from the discrete article 920.

[0128] Referring to FIG. 9D, a cross-sectional view of a discrete article 925 showing an alternative retention configuration is shown. The substrate 906 includes a channel 966 formed in an upper surface thereof. The channel 966 comprises a recessed region extending into the substrate 906. In some embodiments, the channel 966 comprises a groove, trench, or cavity formed in the substrate 906.

[0129] The filamentary element 908 is positioned within the channel 966 such that the filamentary element 908 is at least partially recessed into the substrate 906. The retention material 914 encapsulates the filamentary element 908 and fills a portion of the channel 966. The channel 966 has a width w corresponding to a horizontal extent of the recessed region. The filamentary element 908 has a height h as indicated in FIG. 9D. In at least some embodiments, the groove or channel 966 can be formed as part of the affixing process when the filamentary element 908 is bonded or otherwise embedded into or with the material of the substrate 906. In such embodiments, the dimensions of the groove or channel 966 may be dictated by the dimensions of the affixed filamentary element 908 and the affixing method(s) used. In at least some embodiments, the channel 966 may be pre-formed into the substrate 906. In at least some embodiments, the filamentary element 908 and / or the retention material 914 may be disposed within the groove or channel 966 such that the filamentary element 908 and / or the retention material 914 are flush or sub-flush relative to an upper surface of the substrate 906. In at least some embodiments, the retention material 914 may be proud of the upper surface of the substrate 906 and the filamentary element 908 may be flush or sub-flush.

[0130] The channel 966 may provide mechanical confinement of the filamentary element 908 within the substrate 906. The retention material 914 secures the filamentary element 908 in position within the channel 966. The configuration shown in FIG. 9D illustrates an inlaying approach where the filamentary element 908 is embedded within a groove or channel 966 in the substrate 906. In some embodiments, the filamentary element 908 is embedded within a groove, trench, cavity, or channel of the planar substrate 906, optionally with or optionally without the use of a retentional material 914.

[0131] The cross-sectional configurations shown in FIGS. 9C and 9D provide alternative approaches for retaining the filamentary element 908 relative to the substrate 906. FIG. 9C illustrates surface retention where the filamentary element 908 is positioned on an upper surface of the substrate 906 and encapsulated by the retention material 914. FIG. 9D illustrates channel embedding where the filamentary element 908 is positioned within the channel 966 formed in the substrate 906. In some embodiments, the channel 966 is formed in the substrate 906 prior to placement of the filamentary element 908. The channel 966 may be formed by machining, molding, scoring, notching, cutting, embossing, or other substrate forming techniques.

[0132] The characteristic transverse dimension of the filamentary element 908 may be selected based on the targeted precious-metal quantity for the discrete article 920 or the discrete article 925. In some embodiments, the filamentary element 908 comprises wire having a circular cross-section, and the characteristic transverse dimension corresponds to a diameter of the wire. In some embodiments, the filamentary element 908 comprises strip or ribbon having a rectangular or polygonal cross-section, and the characteristic transverse dimension corresponds to the height h or the width w of the strip or ribbon. The targeted precious-metal quantity may be determined based on the characteristic transverse dimension in combination with filament length and metal purity or fineness. In at least some embodiments, the targeted precious-metal quantity may be determined by volumetric calculations based on cross sectional dimensions, estimations, or statistical probabilities for non-uniform, irregular, or asymmetric filament geometries.

[0133] The filamentary element may comprise various precious or semi-precious metals including gold, silver, platinum, palladium, rhodium, iridium, ruthenium, or alloys thereof. In some embodiments, the filamentary element comprises an alloy of two or more precious or semi-precious metals. The filamentary element may be provided in various elongate forms including wire, strip, ribbon, bar, polygonal wire, or combinations thereof. In some embodiments, the filamentary element comprises round wire having a circular cross-section. In some embodiments, the filamentary element comprises strip or ribbon having a rectangular cross-section. In some embodiments, the filamentary element comprises polygonal wire having a cross-section with three or more sides, such as triangular, square, hexagonal, or other polygonal geometries. The filamentary element may be solid, alloyed, clad, plated, filled, or composite, including constructions in which a precious or semi-precious metal portion is supported by or combined with a non-precious carrier, provided that the declared quantity corresponds to the precious or semi-precious metal physically present in the discrete physical article.

[0134] In some embodiments, a method of manufacturing a discrete physical article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the article comprises dispensing a UV-curable resin relative to a substrate, positioning a filamentary element comprising precious or semi-precious metal into contact with the UV-curable resin, and curing the UV-curable resin to retain the filamentary element relative to the substrate. The cured resin secures the filamentary element such that a targeted precious-metal quantity is physically present within a defined tolerance. In some embodiments, the resin comprises a UV-curable resin. Curing the UV-curable resin mechanically locks the filamentary element such that removal causes visible and irreversible damage. The visible and irreversible damage resulting from attempted removal of the filamentary element provides tamper evidence for the discrete physical article. In some embodiments, removal of the filamentary element causes visible and irreversible damage to the article. In at least some embodiments, a polymer, resin, epoxy, or UV-curable resin secures the filamentary element to the substrate in a manner that permits removal without visible or irreversible damage to the discrete article, such that the precious or semi-precious metal can be reasonably reclaimed and separated from the discrete article.

[0135] The UV-curable resin may form a bond with the substrate surface and encapsulate at least a portion of the filamentary element, creating mechanical interlocking between the cured resin, the filamentary element, and the substrate. In some embodiments, filament length is controlled to define the targeted precious-metal quantity. The filament length, in combination with a cross-sectional geometry and a purity or fineness of the precious metal, determines the targeted precious-metal quantity for the discrete physical article within the defined tolerance.

[0136] In some embodiments, a method of manufacturing a discrete physical article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the article comprises positioning a filamentary element comprising precious or semi-precious metal along a defined path relative to a substrate and applying ultrasonic energy to embed at least a portion of the filamentary element into the substrate or a material layer associated with the substrate. The ultrasonic embedding secures the filamentary element such that a targeted precious-metal quantity is physically present within a defined tolerance. In some embodiments, retaining the filamentary element relative to the substrate comprises ultrasonic embedding. The ultrasonic embedding causes localized deformation to mechanically lock the filamentary element. The localized deformation may occur in the substrate or in a material layer associated with the substrate, or in the filamentary element itself, creating mechanical interlocking between the filamentary element and the surrounding material. In some embodiments, the substrate comprises a plastic substrate that can be softened to melting temperature via ultrasonics for ultrasonic embedding. The ultrasonic energy may cause localized softening of the plastic substrate in a region adjacent to the filamentary element, allowing the filamentary element to become at least partially embedded within the substrate material. Upon cessation of the ultrasonic energy, the softened material re-solidifies around the filamentary element, mechanically locking the filamentary element in position relative to the substrate. In some embodiments, filament length is controlled to define the targeted precious-metal quantity. The filament length, in combination with a cross-sectional geometry and a purity or fineness of the precious metal, determines the targeted precious-metal quantity for the discrete physical article within the defined tolerance.

[0137] In at least some embodiments, a method of manufacturing a discrete physical article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the article comprises supplying a filamentary element comprising precious or semi-precious metal using a forming apparatus configured to impart a predetermined geometry to the filamentary element prior to placement. The predetermined geometry may include spirals, rings, linear segments, curved paths, or other geometries selected to achieve a targeted precious-metal quantity or to facilitate retention relative to a substrate. The filamentary element is then positioned relative to the substrate and retained such that the filamentary element remains physically present in the discrete physical article within a defined tolerance. In some embodiments, positioning the filamentary element comprises placing a pre-formed filamentary geometry into a recess, channel, cavity, or groove defined by the substrate. The substrate may be planar or non-planar and may comprise, for example, a coin, chip, token, bar, trinket, certificate, photograph, or other discrete article defining a receiving feature configured to accept the filamentary element. Placement of the filamentary element may be performed using automated equipment or by manual placement. The filamentary element may comprise a closed geometry, such as a ring, or an open geometry, such as a line, curve, or segmented path. Retention of the filamentary element may be achieved by embedding, overmolding, encapsulation, adhesive bonding, resin curing, mechanical confinement, or combinations thereof, such that the filamentary element is secured relative to the substrate or a material layer associated with the substrate. In such embodiments, the precious-metal content of the discrete physical article is determined by the geometry, length, cross-sectional dimensions, and material composition of the filamentary element supplied to the substrate. By controlling these parameters prior to placement, the method achieves a targeted precious-metal quantity within the defined tolerance on an article-by-article basis.

[0138] In some embodiments, a method of manufacturing discrete physical articles includes retaining the filamentary element relative to the substrate by lamination over the filamentary element. The lamination retention method encapsulates the filamentary element between material layers. In some embodiments, the retention material is applied using manual lamination pouches for encapsulating wire segments. The filamentary element may be measured by hand and manually cut into wire segments prior to lamination. The wire segments are positioned within the lamination pouch, and the lamination pouch is sealed to encapsulate the wire segments between the material layers of the pouch. The lamination over the filamentary element retains the filamentary element relative to the substrate such that a targeted precious-metal quantity is physically present within a defined tolerance. In at least some embodiments, retention of the filamentary element relative to the substrate is achieved using non-laminated retention techniques, including adhesive-based retention, pressure-sensitive tapes or films, shrink films, heat-activated adhesives, surface-bonding coatings, mechanical clamping or sandwiching between layers, friction-fit retention, or combinations thereof, applied manually, semi-manually, or using simple tooling, such that the filamentary element is secured relative to the substrate without requiring lamination equipment or automated encapsulation processes.

[0139] The targeted precious-metal quantity for a discrete physical article may be determined based on one or more of filament length, filament cross-sectional geometry, metal purity or fineness, measured mass, or combinations thereof. In some embodiments, the targeted precious-metal quantity is calculated from a relationship between filament length and cross-sectional area, where the cross-sectional area is derived from a diameter for round wire or from width and thickness for strip or ribbon geometries. The metal purity or fineness provides a factor that relates the total filament mass to the mass of precious or semi-precious metal physically present in the filamentary element. In some embodiments, the targeted precious-metal quantity is verified by direct mass measurement of the discrete physical article or by indirect measurement techniques including encoder-based verification of fed length, motion-system path-length reconciliation, or optical measurement of placed path geometry. The filamentary element may be arranged along a geometry selected at least in part to define the targeted precious-metal quantity independently of decorative or functional performance. In some embodiments, the geometry of the filamentary element path, such as a spiral, coil, serpentine, or meandering configuration, is selected to accommodate a desired filament length within the boundaries of a discrete article region, where the filament length corresponds to the targeted precious-metal quantity rather than to an aesthetic pattern or a functional characteristic such as electrical conductivity or signal transmission. The geometry may be varied between different discrete physical articles to achieve different targeted precious-metal quantities while maintaining a consistent form factor for the substrate.

[0140] In some embodiments, a method of manufacturing discrete physical articles includes verifying precious-metal quantity by measurement or programmed filament length control. Laser or optical cameras may be installed in a wire draw path to calculate wire diameter and volume in real time, which in some embodiments can be non-uniform within the same article. The laser or optical cameras may measure a cross-sectional dimension of the filamentary element as the filamentary element is advanced toward a placement region. The real-time measurement of wire diameter enables calculation of wire volume based on the measured diameter and a fed length of the filamentary element. In some embodiments, the manufacturing system adds real-time embedding compensation for each individual product based on the real-time measurement data. The real-time embedding compensation may adjust a termination location, a fed length, or other placement parameters to achieve the targeted precious-metal quantity within the defined tolerance for each discrete physical article. For example, if the measured wire diameter varies from a nominal value, the controller may adjust the filament length to compensate for the variation such that the targeted precious-metal quantity is achieved. The verification of precious-metal quantity may be performed by direct measurement techniques including mass measurement of the discrete physical article, or by indirect measurement techniques including programmed filament length control based on encoder feedback, motion-system path-length reconciliation, or the real-time diameter and volume calculations provided by the laser or optical cameras. The real-time metrology and compensation enables article-by-article control of the targeted precious-metal quantity within the defined tolerance.

[0141] In some embodiments, a defined tolerance limits variation in the targeted precious-metal quantity such that a declared quantity is satisfied within the defined tolerance on an article-by-article basis. The targeted precious-metal quantity may be controlled on an article-by-article basis such that each discrete physical article contains a quantity of precious or semi-precious metal that corresponds to the declared quantity within the allowable variation specified by the defined tolerance. The defined tolerance may be expressed in absolute terms, relative terms, percentage-based terms, statistical terms, or combinations thereof. In some embodiments, the declared quantity is met within the defined tolerance by the targeted precious-metal quantity, where the targeted precious-metal quantity falls within the allowable variation above or below the declared quantity. In some embodiments, the declared quantity is a declared minimum that is met or exceeded by the targeted precious-metal quantity including a purposeful overage. The purposeful overage may be applied during placement of the filamentary element such that the targeted precious-metal quantity meets or exceeds the declared minimum quantity while remaining within the defined tolerance. The purposeful overage provides assurance that each discrete physical article contains at least the declared minimum quantity of precious or semi-precious metal. The article-by-article control of the targeted precious-metal quantity enables compliance with the declared quantity to be determinable for each discrete physical article individually, whether directly through mass measurement or indirectly through filament length control, encoder feedback, or other verification techniques.

[0142] The declared quantity of precious or semi-precious metal associated with a discrete physical article may be indicated in various ways such that the quantity is communicated, represented, or made objectively knowable in connection with the article. In some embodiments, the declared quantity is indicated on the article itself. The indication on the article may comprise text, numerals, symbols, or graphical representations printed, embossed, engraved, or otherwise applied to a surface of the substrate or to a surface of the retention material. The indication may specify the declared quantity in terms of mass, weight, or a standardized unit denomination. In some embodiments, the indication on the article includes a purity or fineness designation in addition to the declared quantity.

[0143] In some embodiments, the declared quantity is indicated on packaging accompanying the article. The packaging may comprise a sleeve, envelope, pouch, box, blister pack, or other container in which the discrete physical article is enclosed or to which the discrete physical article is attached. The packaging may include printed text, labels, or markings that specify the declared quantity of precious or semi-precious metal physically present in the enclosed article. The packaging indication may provide additional information such as the type of precious metal, the purity or fineness, a serial number, or authentication features.

[0144] In some embodiments, the declared quantity is indicated in a certificate of authenticity. The certificate of authenticity may comprise a document, card, or printed material that accompanies the discrete physical article and provides verification of the declared quantity. The certificate of authenticity may include information identifying the specific discrete physical article, such as a serial number, batch identifier, or unique code. The certificate of authenticity may specify the declared quantity, the type of precious metal, the purity or fineness, and other attributes of the discrete physical article. In some embodiments, the certificate of authenticity includes authentication features such as holograms, watermarks, security printing, or tamper-evident seals.

[0145] In some embodiments, the declared quantity is indicated in a database record associated with an identifier of the article. The identifier may comprise a serial number, unique code, address, barcode, QR code, RFID tag, NFC tag, or other machine-readable or human-readable identifier that is associated with the discrete physical article. The identifier may be printed, embossed, engraved, or otherwise applied to the article, to the packaging, or to the certificate of authenticity. The database record may be stored in a computer system, server, distributed ledger, blockchain, or other data storage system. The database record may include the declared quantity, the type of precious metal, the purity or fineness, manufacturing data, verification data, ownership records, or transaction history associated with the discrete physical article. In some embodiments, the database record is accessible via a network connection, allowing a purchaser, holder, or third party to retrieve information about the declared quantity by querying the database using the identifier associated with the article.

[0146] The declared quantity may be visually, textually, or symbolically represented. In some embodiments, the declared quantity is expressed as a mass value in grams, milligrams, troy ounces, or other mass units. In some embodiments, the declared quantity is expressed as a standardized denomination or unit that corresponds to a defined mass of precious or semi-precious metal. In some embodiments, the declared quantity is represented symbolically using icons, logos, or graphical elements that convey the quantity or denomination to a viewer. The declared quantity need not be expressed in a specific unit system, provided that the declared quantity corresponds to a knowable quantity of precious or semi-precious metal physically present in the discrete physical article. In at least some embodiments, the declared quantity is represented or referenced through a digital or cryptographic representation, including via a blockchain-based record, token, or digital wallet entry, such that the declared quantity is objectively knowable by reference to the digital representation while remaining materially attributable to the precious or semi-precious metal physically present in the discrete physical article.

[0147] The indication of the declared quantity, whether on the article, on packaging, in a certificate of authenticity, or in a database record, provides a basis for trade, exchange, investment, collectible valuation, redemption, or authentication. The declared quantity is intended to be relied upon by a purchaser, holder, or third party as an objective attribute of the discrete physical article. The indication of the declared quantity enables the value materially attributable to the precious or semi-precious metal physically present in the article to be communicated and verified in connection with transactions involving the discrete physical article.

[0148] The discrete physical article may comprise various article types including a bullion article, a collectible article, a trading card, a promotional article, a commemorative article, a token-like article, or a currency-like article. In some embodiments, the discrete physical article is configured as numismatics or art pieces for collectible purposes. The collectible article may include coins, medallions, tokens, or other articles having numismatic value in addition to the value materially attributable to the declared quantity of precious or semi-precious metal physically present in the article. In some embodiments, the discrete physical article comprises a trading card incorporating a filamentary element comprising precious or semi-precious metal retained relative to a substrate. The promotional article or commemorative article may be configured to commemorate events, individuals, organizations, or achievements while incorporating a targeted precious-metal quantity that contributes to the value of the article.

[0149] In some embodiments, the discrete physical article is configured for use as physical money and currency including financial instruments, notes, coins, and bills for State and Federal Governments, Central and National Banks, and Institutions. The currency-like article may incorporate a declared quantity of precious or semi-precious metal that corresponds to a monetary denomination or value. In some embodiments, the discrete physical article is configured as a hyper-fractional precious metal product containing very small quantities of precious metal that would otherwise be unwieldy and impractical to carry or make use of due to the inherent size and durability of the material. The substrate provides a vehicle allowing use, convenience, and practicality of holding, storing, and transacting in precious metals, particularly for fractional and hyper-fractional amounts of precious metals. The retention of the filamentary element relative to the substrate enables the discrete physical article to serve as a practical medium for holding and transacting in precious metals at quantities that would be difficult to handle in bulk metal form.

[0150] The substrate serves as both a method for capturing the precious metals and a vehicle allowing use, convenience, and practicality of holding, storing, and transacting in precious metals. The substrate provides a structural carrier to which the filamentary element is retained, enabling the precious or semi-precious metal to be secured in a defined spatial relationship that facilitates handling, storage, and exchange. In some embodiments, the substrate enables fractional and hyper-fractional quantities of precious metal to be held in a form factor that is practical for carrying, storing, and transacting, whereas equivalent quantities of precious metal in bulk form may be unwieldy, difficult to handle, or impractical to use due to the small physical size and limited durability of such small metal pieces. The substrate may provide a standardized form factor, such as a card, token, coin, chip, bill, or other article shape, which enables the discrete physical article to be stored in wallets, embodiments, or other storage devices and to be exchanged in transactions with the convenience associated with conventional currency, cards, or collectible items. The retention of the filamentary element relative to the substrate combines the value materially attributable to the declared quantity of precious or semi-precious metal with the practical utility of a substrate-based article, enabling the discrete physical article to function as a medium for holding and transacting in precious metals.

[0151] In some embodiments, the discrete physical article may be configured for use with asset backed crypto and digital currencies and digital wallets or vaulting systems. The discrete physical article may include an identifier, such as a serial number, unique code, barcode, QR code, RFID tag, or NFC tag, which is associated with a digital record or account in a digital currency system, digital wallet, or vaulting system. The digital record may correspond to the declared quantity of precious or semi-precious metal physically present in the discrete physical article, enabling the article to serve as a physical representation of a digital asset or as collateral for a digital currency holding. The association between the discrete physical article and the digital record may be maintained in a database, distributed ledger, blockchain, or other data storage system, allowing ownership, transfer, or redemption of the digital asset to be linked to possession or presentation of the discrete physical article.

[0152] In some embodiments, the discrete physical article may be configured as a hybrid or dual physical and digital money and currency that is redeemable for digital holdings. The hybrid configuration enables the discrete physical article to function both as a physical article whose value is materially attributable to the declared quantity of precious or semi-precious metal physically present in the article and as a token or instrument that may be redeemed for a corresponding digital holding in a digital currency system, digital wallet, or vaulting system. The redemption may involve presenting the discrete physical article, scanning an identifier associated with the article, or otherwise verifying possession of the article to effect a transfer or release of the corresponding digital holding. The hybrid or dual physical and digital configuration enables the discrete physical article to bridge physical precious metal ownership and digital asset systems, providing flexibility for holders to transact in either physical or digital form depending on the context or preference.

[0153] In some embodiments, a discrete physical article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the article comprises a non-planar substrate having a three-dimensional geometry and at least one filamentary element comprising precious or semi-precious metal retained relative to the non-planar substrate. The non-planar substrate may comprise a coin, token, bar, cube, sphere, polyhedron, curved surface, organic geometry, or sculpted geometry. The non-planar substrate may be formed of polymeric material, fabric material, paper material, composite material, ceramic material, clay material, or metal, including base-metal or precious-metal alloys. The filamentary element is positioned along a defined path on or within the non-planar substrate such that the discrete physical article includes a targeted precious-metal quantity physically present within the article and retained relative to the non-planar substrate. The targeted precious-metal quantity is within a defined tolerance. The targeted precious-metal quantity may be determined based on one or more of filament length, filament cross-sectional geometry, metal purity or fineness, measured mass, or combinations thereof.

[0154] In some embodiments, the filamentary element follows a three-dimensional path including changes in curvature or depth. The three-dimensional path may include varying curvature along the path, changes in depth relative to an external surface of the non-planar substrate, or changes in orientation relative to the non-planar substrate geometry. The filamentary element may be affixed or embedded within a molded polymer coin blank, retained within a recessed channel formed in a metal token, encapsulated within a laminated or overmolded structure, or affixed to a curved or contoured surface prior to encapsulation. The three-dimensional path may conform to contours of the non-planar substrate, wrap around portions of the non-planar substrate, or extend through interior regions of the non-planar substrate. The filamentary element may be retained relative to the non-planar substrate by embedding, affixing, encapsulation, lamination, adhesion, mechanical confinement, ultrasonic bonding, thermal bonding, overmolding, or combinations thereof.

[0155] The retention of the filamentary element relative to the non-planar substrate enables the discrete physical article to incorporate a targeted precious-metal quantity that is controllable on an article-by-article basis in the same manner as described for planar substrates. The non-planar substrate provides a three-dimensional form factor that may correspond to conventional precious metal article formats such as coins, tokens, bars, or medallions while incorporating the filamentary element to achieve the targeted precious-metal quantity within the defined tolerance. In some embodiments, the non-planar substrate geometry is selected to provide a desired aesthetic appearance, tactile characteristic, or functional attribute while the filamentary element provides the targeted precious-metal quantity that contributes materially to the value of the discrete physical article. The three-dimensional geometry of the non-planar substrate may enable the filamentary element to be positioned along paths of varying length, curvature, and depth to achieve different targeted precious-metal quantities while maintaining a consistent external form factor for the discrete physical article.

[0156] One or more specific embodiments of the present disclosure are described herein. These described embodiments are examples of the presently disclosed techniques. Additionally, in an effort to provide a concise description of these embodiments, not all features of an actual embodiment may be described in the specification. It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous embodiment-specific decisions will be made to achieve the developers’ specific goals, such as compliance with system-related and business-related constraints, which may vary from one embodiment to another. Moreover, it should be appreciated that such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

[0157] Additionally, it should be understood that references to “one embodiment” or “an embodiment” of the present disclosure are not intended to be interpreted as excluding the existence of additional embodiments that also incorporate the recited features. For example, any element described in relation to an embodiment herein may be combinable with any element of any other embodiment described herein. Numbers, percentages, ratios, or other values stated herein are intended to include that value, and also other values that are “about” or “approximately” the stated value, as would be appreciated by one of ordinary skill in the art encompassed by embodiments of the present disclosure. A stated value should therefore be interpreted broadly enough to encompass values that are at least close enough to the stated value to perform a desired function or achieve a desired result. The stated values include at least the variation to be expected in a suitable manufacturing or production process, and may include values that are within 5%, within 1%, within 0.1%, or within 0.01% of a stated value.

[0158] A person having ordinary skill in the art should realize in view of the present disclosure that equivalent constructions do not depart from the spirit and scope of the present disclosure, and that various changes, substitutions, and alterations may be made to embodiments disclosed herein without departing from the spirit and scope of the present disclosure. Equivalent constructions, including functional “means-plus-function” clauses are intended to cover the structures described herein as performing the recited function, including both structural equivalents that operate in the same manner, and equivalent structures that provide the same function. It is the express intention of the applicant not to invoke means-plus-function or other functional claiming for any claim except for those in which the words ‘means for’ appear together with an associated function. Each addition, deletion, and modification to the embodiments that falls within the meaning and scope of the claims is to be embraced by the claims.

[0159] The terms “approximately,”“about,” and “substantially” as used herein represent an amount close to the stated amount that is within standard manufacturing or process tolerances, or which still performs a desired function or achieves a desired result. For example, the terms “approximately,”“about,” and “substantially” may refer to an amount that is within less than 5% of, within less than 1% of, within less than 0.1% of, and within less than 0.01% of a stated amount. Further, it should be understood that any directions or reference frames in the preceding description are merely relative directions or movements. For example, any references to “up” and “down” or “above” or “below” are merely descriptive of the relative position or movement of the related elements.

Claims

1. A discrete physical article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the discrete physical article, comprising:    a substrate; and    a filamentary element comprising precious or semi-precious metal retained relative to the substrate;    wherein the filamentary element is positioned and secured such that the discrete physical article includes a targeted precious-metal quantity physically present within the discrete physical article and retained relative to the substrate, the targeted precious-metal quantity being determined based at least one of (i) filament length, (ii) filament cross-sectional geometry, (iii) metal purity or fineness, or (iv) measured mass.

2. The discrete physical article of claim 1, wherein the filamentary element comprises wire, strip, ribbon, bar, polygonal wire, or combinations thereof.

3. The discrete physical article of claim 1, wherein the filamentary element has a characteristic transverse dimension between 0.01 mm and 25.0 mm.

4. The discrete physical article of claim 1, wherein the filamentary element comprises at least one of continuous runs or segmented runs.

5. The discrete physical article of claim 1, wherein the filamentary element is embedded within a groove, trench, cavity, or channel of the substrate.

6. The discrete physical article of claim 1, wherein the filamentary element is retained by a resin, adhesive, lamination layer, ultrasonic bond, mechanical inlay, thermal bond, or combinations thereof.

7. The discrete physical article of claim 6, wherein the resin comprises a UV-curable resin.

8. The discrete physical article of claim 1, wherein at least a portion of the filamentary element is encapsulated by a protective layer.

9. The discrete physical article of claim 1, wherein removal of the filamentary element causes visible and irreversible damage to the discrete physical article.

10. The discrete physical article of claim 1, wherein removal of the filamentary element does not cause visible or irreversible damage to the discrete physical article.

11. The discrete physical article of claim 1, wherein a defined tolerance limits variation in the targeted precious-metal quantity such that the declared quantity is satisfied within the defined tolerance on an article-by-article basis.

12. The discrete physical article of claim 1, wherein the discrete physical article comprises a bullion article, collectible article, trading card, promotional article, commemorative article, or currency-like article.

13. The discrete physical article of claim 1, wherein the filamentary element follows a machine-defined path.

14. The discrete physical article of claim 1, wherein the filamentary element is arranged along a geometry selected at least in part to define the targeted precious-metal quantity independently of decorative or functional performance.

15. The discrete physical article of claim 1, wherein the targeted precious-metal quantity is provided by a single continuous filamentary element.

16. The discrete physical article of claim 1, wherein the filamentary element comprises gold, silver, platinum, palladium, rhodium, iridium, ruthenium, or alloys thereof.

17. The discrete physical article of claim 1, wherein the targeted precious-metal quantity includes a purposeful overage relative to a declared minimum.

18. The discrete physical article of claim 1, wherein the declared quantity is indicated on the discrete physical article, on packaging accompanying the discrete physical article, in a certificate of authenticity, or in a database record associated with an identifier of the discrete physical article.

19. The discrete physical article of claim 1, wherein the targeted precious-metal quantity is controlled on at least one of an article-by-article basis or a batch basis.

20. The discrete physical article of claim 1, wherein the declared quantity is met within a defined tolerance by the targeted precious-metal quantity, or wherein the declared quantity is a declared minimum that is met or exceeded by the targeted precious-metal quantity including a purposeful overage.

21. The discrete physical article of claim 1, wherein the discrete physical article includes an identifier associated with at least one of a digital record, token, account, or ledger entry maintained in a database, distributed ledger, or blockchain system, the digital record corresponding to the declared quantity of precious or semi-precious metal physically present in the discrete physical article.

22. The discrete physical article of claim 21, wherein the identifier comprises a serial number, alphanumeric code, barcode, QR code, RFID tag, NFC element, or cryptographic reference, and wherein the declared quantity is objectively knowable by reference to the digital record for purposes including verification, transfer, exchange, or accounting, the declared quantity being materially attributable to a physical quantity of precious or semi-precious metal embodied in the filamentary element of the discrete physical article.

23. The discrete physical article of claim 21, wherein the discrete physical article is configured for use as a hybrid physical-digital monetary or investment instrument, such that possession or verification of the discrete physical article corresponds to a digital representation of the declared quantity recorded in a digital wallet, vaulting system, trading platform, or asset-tracking system.

24. A discrete physical article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the discrete physical article, comprising:    a substrate; and    a filamentary element comprising metal retained relative to the substrate;    wherein the filamentary element is positioned along a defined path on or within the substrate such that the discrete physical article includes a targeted metal quantity physically present within the discrete physical article and retained relative to the substrate, the targeted metal quantity being within a defined tolerance.

25. The discrete physical article of claim 24, wherein the substrate comprises a coin, token, bar, cube, sphere, polyhedron, curved surface, organic geometry, or sculpted geometry.

26. The discrete physical article of claim 24, wherein the filamentary element follows a three-dimensional path including changes in curvature or depth.

27. A method of manufacturing discrete physical articles whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in each article, comprising:    providing a substrate;    positioning, by a programmable motion system, a filamentary element comprising precious or semi-precious metal along a defined path relative to the substrate;    retaining the filamentary element relative to the substrate; and    controlling an amount of the filamentary element associated with a discrete article region by controlling filament length and termination such that a targeted precious-metal quantity within a defined tolerance is achieved.

28. The method of claim 27, wherein the targeted precious-metal quantity is derived from filament length and metal purity or fineness.

29. The method of claim 27, wherein retaining comprises dispensing a curable resin and curing the curable resin after filament placement.

30. The method of claim 29, wherein the curable resin is UV-curable.

31. The method of claim 27, wherein retaining comprises lamination over the filamentary element.

32. The method of claim 27, wherein retaining comprises ultrasonic embedding.

33. The method of claim 27, wherein the filamentary element is placed as one or more continuous or segmented runs within each discrete article region.

34. The method of claim 27, further comprising cutting the filamentary element between discrete article regions.

35. The method of claim 27, further comprising singulating a sheet or body into multiple discrete physical articles.

36. The method of claim 27, further comprising verifying precious-metal quantity by measurement or programmed filament length control.

37. A manufacturing system for producing discrete physical articles whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in each discrete physical article of the discrete physical articles, comprising:    a programmable motion platform;    an affixing head comprising a filament feed mechanism and a retention subsystem; and    a controller configured to coordinate motion, filament placement, and retention such that each discrete physical article includes a targeted precious-metal quantity physically present within each of the discrete physical articles and retained relative to a substrate, the targeted precious-metal quantity being within a defined tolerance.

38. A method of manufacturing a discrete physical article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the discrete physical article, comprising:    dispensing a UV-curable resin relative to a substrate;    positioning a filamentary element comprising precious or semi-precious metal into contact with the UV-curable resin; and    curing the UV-curable resin to retain the filamentary element relative to the substrate,    wherein the UV-curable resin secures the filamentary element such that a targeted precious-metal quantity is physically present within a defined tolerance.

39. The method of claim 38, wherein curing the UV-curable resin mechanically locks the filamentary element such that removal causes visible and irreversible damage.

40. The method of claim 38, wherein removal of the filamentary element that is mechanically locked to the discrete physical article does not cause visible or irreversible damage to the discrete physical article.

41. The method of claim 38, wherein filament length is controlled to define the targeted precious-metal quantity.

42. A method of manufacturing a discrete physical article whose value is materially attributable to a declared quantity of precious or semi-precious metal physically present in the discrete physical article, comprising:    positioning a filamentary element comprising precious or semi-precious metal along a defined path relative to a substrate; and    performing ultrasonic embedding including applying ultrasonic energy to embed at least a portion of the filamentary element into the substrate or a material layer associated with the substrate,    wherein the ultrasonic embedding secures the filamentary element such that a targeted precious-metal quantity is physically present within a defined tolerance.

43. The method of claim 42, wherein the ultrasonic embedding causes localized deformation to mechanically lock the filamentary element.

44. The method of claim 42, wherein filament length is controlled to define the targeted precious-metal quantity.

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