192results about "Ablative recording" patented technology

A sheet of material that is marked with a pulsed laser, the sheet of material having an outer edge and an inner edge separated by a core. The distance from the outer edge to the inner edge is the sheet thickness. The sheet of material has a total concentration of TiO2 of less than about 1.00%. There is an exterior layer beginning at the outer edge and extending into the core, the thickness of the exterior layer is from about 10.00% to about 40.00% of the sheet thickness, and the exterior layer has an average concentration of from about 2.50% to about 10.00% TiO2.

A packaged food product includes a food product in packaging formed from a polyethylene film laminate body having a main polyethylene (PE) film layer and an ethylene vinyl alcohol (EVOH) layer. The packaging is laser date coded, with the laser date coding being established in the EVOH layer. Of the overall packaging, the ethylene vinyl alcohol layer is quite thin, generally having a thickness which is no greater than 5% of a thickness of the food packaging. The entire food packaging is readily recyclable, particularly by being at least essentially void of any polypropylene polymers and polyethylene terephthalate. The EVOH layer can be the outermost layer of the packaging, such as with the packaging being limited to just the PE and EVOH layers, or the packaging can include one or more other layers, such as cold seal, tie and / or ink layers.

Laser marked articles having a predetermined feature marked onto a wall that is either user readable, machine readable, or both. Also, methods of making the marked articles by laser marking.

The application discloses a stainless steel plate surface treatment method, which comprises the following steps: S01 silk printing operation: water-based ink is screen printed on the stainless steel plate after a pretreatment operation, and is used after a curing reaction; S02 interface modification operation: the stainless steel plate is immersed in an interface modification solution to perform an interface modification reaction; and S03 etching operation: the stainless steel plate is placed in an electrochemical corrosion device containing an etching solution to perform an etching reaction, so that a smooth transition stainless steel plate surface treatment pattern is formed. The stainless steel plate surface treatment method avoids the formation of relatively sharp and clear corners at the etching edge interface of the stainless steel plate, and avoids the residual of metal ions on the ink at the etching edge interface after etching, thereby avoiding the heavy metal pollution of wastewater in the subsequent glue removal operation. After the surface treatment, the etching surface of the stainless steel plate is naturally transitioned to the original surface texture of the stainless steel plate base material, the appearance quality is higher, and the user satisfaction is improved.

This application discloses a laser marking method, equipment, and storage medium for cylindrical workpieces, belonging to the field of laser marking technology. The method includes: acquiring the pattern to be marked and the radius parameters of the cylindrical workpiece; based on the radius parameters, equating the angular displacement of the rotation axis to a virtual linear motion axis; constructing a virtual planar coordinate system based on the virtual linear motion axis and the scanning axis of the galvanometer; mapping the pattern to be marked onto the virtual planar coordinate system; generating marking path instructions for controlling the galvanometer and rotation axis; and driving the galvanometer to perform linear scanning and the rotation axis to rotate according to the marking path instructions, so that the laser beam etches the pattern to be marked on the surface of the cylindrical workpiece. This application, through an algorithmic compensation mechanism for constructing the virtual planar coordinate system, ensures the integrity and positional accuracy of the marked pattern, thereby achieving a marking effect that meets the needs of batch processing on a low-cost hardware platform.

Method for marking on a ceramic piece (1) based on clay, comprising a laser marking operation implementing a marking by means of a laser (2) of a pattern (3) on the raw or softened ceramic piece (1), followed by a final firing operation of the ceramic piece (1) after the laser marking operation to obtain the ceramic piece (1) fired and marked with the pattern (3). The invention finds a preferred, and non-limiting, application for decorating or personalizing a ceramic piece used in the fields of tableware, cooking or decorative articles. Abstract figure: Figure 1

This disclosure relates to a method for engraving an ophthalmic device, the method comprising: providing a photoablation apparatus configured to engrave at least one facet of the ophthalmic device; providing a marking pattern to be engraved on at least one facet of the ophthalmic device by means of the photoablation apparatus; and determining kinematics for engraving the marking pattern on at least one facet of the ophthalmic device, wherein the kinematics includes marking pattern kinematics and engraving kinematics, both defined based on at least one parameter of the geometry of at least one facet of the ophthalmic device to be engraved, operating parameters of the photoablation apparatus, and geometry of the marking pattern.

The present application relates to laser marking technology field, especially to laser control card offline marking serial number method, including: step S1 to step S6, the present application separates fixed part content and variable part content through modularization, sets fixed index module and variable index module, and combines the dynamic parameter setting of register, to realize the efficient analysis of serial number marking data and the rapid generation of laser processing instruction, thereby significantly improving the marking efficiency, enhancing the format flexibility, reducing the hardware resource consumption, and ensuring the marking precision and consistency, realizing the offline marking serial number.

The present disclosure refers to a method of manufacturing a mark (34) on a packaging material (16), the method comprising the following steps: Providing the packaging material (16), which comprises at least one pre-printed element (18) at a pre-defined position (20); Removing the pre-printed element (18) in pre-defined sections (32) in a marking station (12), so that the removed sections (32) reflect a negative of the mark (34) to be manufactured; Detecting a reference geometry (44) of the pre-printed element (18) and a reference geometry (46) of the manufactured negative of the mark (34); Determining a geometric relationship (56) of the detected reference geometries (44; 46); Evaluating, if the determined geometric relationship (56) matches a pre-defined geometric relationship; and if it matches, manufacturing subsequent marks (34) under removal of the pre-printed element (18) in the same pre-defined sections (32); or if it does not match, manufacturing subsequent marks (34) under adjustment of the pre-definition of the sections (32), wherein the pre-printed element (18) is removed. The present disclosure further refers to a respective marking station (12) and a packaging material manufacturing system (10), as well as, a packaging material (16) and a packaging container.

To provide a method for decorating containers made of resin material that can improve visibility. [Solution] The decoration method comprises a first step of forming a decorative region on the surface of a resin container, where a different color from the container is applied, and a second step of applying decoration within the area of ​​the decorative region formed in the first step. In the first step, the decorative region can be formed from a modified layer by laser irradiation, or it can be formed by painting.

In one aspect, an article comprises a substrate (102) that comprises a ceramic matrix composite; and a metal oxide layer (104) disposed on the substrate (102); where the metal oxide layer (104) has a marking etched into the metal oxide (104) via laser ablation. The markings may include alphabets, numbers, symbols, bar codes, matrix bar codes, quick response codes, or a combination thereof. Disclosed herein too is a method comprising disposing upon a ceramic matrix composite (102) a metal oxide layer (104); and laser ablating the metal oxide layer (104) to etch the metal oxide layer (104). The etchings produce markings that may comprise alphabets, numbers, symbols, bar codes, matrix bar codes, quick response codes, or a combination thereof.

The invention relates to a device (10) and a method for marking a group (110) of electrical components (115). For this purpose, a receiving device (15) for holding the group (110) of electrical components (115) in an alignment direction (20) and a marking device (25) are provided, which has a laser head (30) for emitting a laser beam (35) for applying a marking to the group (110) of electrical components (115) held by the receiving device (15), as well as a movement device (40) for generating relative movements between the laser head (30) and the receiving device (15) in order to arrange them in a marking position relative to each other for applying the marking, and a control device (45) for controlling the movement device (40) for the relative movement between the laser head (30) and the receiving device (15).The movement device (40) has at least one first guide element (50) which is designed and configured for guiding the movement of the laser head (30) along an orbital movement path (55) around the receiving device (15).

A laser marking system for marking a product includes a marking head having an electromagnetic radiation steering mechanism configured to steer electromagnetic radiation to address a specific location within a two-dimensional field of view. The electromagnetic radiation steering mechanism comprises a first optical element having an associated first actuator configured to rotate the first optical element about a first rotational axis to change a first coordinate of a first steering axis in the two-dimensional field of view and a second optical element having an associated second actuator configured to rotate the second optical element about a second rotational axis to change a second coordinate of a second steering axis in the two-dimensional field of view. The electromagnetic radiation steering mechanism comprises an electromagnetic radiation manipulator configured to introduce a difference between a first angle and a second angle (defined between the first and second rotational and steering (respectively) axes).

The invention relates to means for marking the end closures of beverage and food containers using a laser beam, inter alia with a two-dimensional identification or authentication barcode applied to predetermined parts of each end closure, and can be used primarily in the food industry. The aim of improving the quality of a laser marking by providing for optimal action of a laser beam on differently oriented regions to be marked is achieved in that, in an apparatus for laser marking the end closures of beverage and food containers which comprises, arranged in sequence, a unit for loading a stack of closures into the apparatus, a unit for separating a stack of closures into individual closures and feeding same to a means for conveying the individual closures for marking and subsequent discharge, a laser marker unit, a rejection unit, and a unit for collecting closures in a stack or loose during discharge from the apparatus, the laser marker unit is equipped with a module for determining the orientation of a closure, said module being in the form of a computer vision camera, and the rejection unit contains a video camera with an image analyzer capable of sending a signal to reject a closure by pushing the rejected closure off a conveyor.

The invention provides a method of forming an image on a surface of a food item having an outer packaging, wherein the food item comprises a chocolate surface, the method comprising the step of irradiating the chocolate surface of the food item at one or more locations using a laser to form an image thereon; wherein the step of irradiating the chocolate surface comprises passing laser energy through the outer packaging and onto the chocolate surface of the food item at the one or more locations, and wherein the laser has a wavelength of around 7000 nm to 22000 nm.

A laser marking system for marking a product comprising a laser source (110) configured to generate blue radiation; a marking head (120) configured to project the blue radiation on to the product (130); and, an optical fiber (140) configured to transmit the blue radiation from the laser source to the marking head.

A method for laser marking an article with a pulsed laser to effect imprinting via the marking while the article is in motion.

A veneer configured to be secured to a backlit button of a control device may include a plate portion. The plate portion may have one or more laser-cut indicia defined therethrough, may have laser-cut rounded corners, and may have angularly offset outer edges that may be defined during an embossing process. The laser-cut indicia may be representative of a command for controlling an electrical load. The indicia may include an alphanumeric character, an icon, or the like, may define one or more substantially zero-radius corners, and may define respective inner surfaces that are substantially perpendicular to an outer surface of the plate portion. A laser-cut alphanumeric character may have variable (e.g., continuously variable) line width. The plate portion may define a rib that suspends a floating portion of the alphanumeric character relative to an open portion. The rib may define a thickness that does not exceed 0.003 inches.

A printing plate according to an embodiment includes a base substrate having a concave part sunken from a substrate surface, wherein the concave part includes a first area that is sunken by a first depth from the substrate surface of the base substrate and a second area that is sunken by a second depth from a surface of the first area. The printing plate may be used for pad printing.

The invention relates to a method for storage of information and to an information storage medium with increased storage density by multi-bit coding.

Method for marking on a ceramic piece (1) based on clay, comprising a laser marking operation implementing a marking by means of a laser (2) of a pattern (3) on the raw or softened ceramic piece (1), followed by a final firing operation of the ceramic piece (1) after the laser marking operation to obtain the ceramic piece (1) fired and marked with the pattern (3), where the laser marking operation comprises a laser ablation step followed by a selective laser sintering step in the engraving obtained at the end of the laser ablation step. The invention finds a preferred, and non-limiting, application for decorating or personalizing a ceramic piece used in the fields of tableware, kitchenware or decorative items.

To provide a label-less marking facility in a technical field of a label printing device of a packaging bottle.SOLUTION: The label-less marking facility includes a frame, a disk-shaped conveying module, a laser marking module 4, and a first driving module, wherein the disk-shaped conveying module is connected to each of a supply device and an ejection device, and packaging bottles enter the disk-shaped conveying module through the supply device, and after label printing is completed on the disk-shaped conveying module, the packaging bottles return to a conveyor through the ejection device, and the laser marking module includes a plurality of laser heads 41 so that the plurality of laser heads are distributed along a circumference of the disk-shaped conveying module and are provided on the disk-shaped conveying module so as to mark the packaging bottles at a corresponding position while moving along the disk-shaped conveying module, and an output end of the first driving module is connected to the disk-shaped conveying module, and is capable of moving and rotating the disk-shaped conveying module.SELECTED DRAWING: Figure 1

A method for obtaining engraving instructions to control a system comprising a Spatial Light Modulator (SLM), the engraving instructions being configured to control the system to represent a pixelized image on a solid piece by means of an engraving beam. The engraving beam is formed by an adjustable number of focal spots aligned on an orientation axis, thereby defining a brush, and is generated by means of a laser and the SLM. The pixelized image comprises at least a first delimited surface to which is attributed a first appearance, the first appearance corresponding to a set of a first angle of orientation of the brush and a first period corresponding to a distance separating one focal spot from a next focal spot in the brush, the first delimited surface to be filled with engraved structures arranged as first linear segments by means of the engraving beam, the first linear segments being perpendicular to the first orientation of the brush. The method comprises uploading of the pixelized image of the first delimited surface into a memory of the system; uploading a table of appearances comprising at least for the first appearance a set with the first angle of orientation and the first period; uploading parameters for available brush widths at least for the first appearance, the parameters comprising a list of at least one brush with a determined number of focal spots. The method further comprises rotating the first delimited surface as a function of an angle of rotation corresponding to the first angle of orientation; re-pixelization of the rotated first delimited surface; determining of a start position and an end position of each of the linear segments in order to sweep the rotated first delimited surface with the brush having the widest possible width in successive and adjacent stripes; determining of a first remaining surface not yet swept of the rotated first delimited surface and repeating the step of determining of a start position and an end position of the linear segments having a smaller width corresponding to an available brush that is smaller than the previously used brush; generating a computer-generated hologram for each available width of available brushes used with the first angle of orientation; and sending engraving instructions to a further memory of the system.

A system for marking a product is provided. The system comprises: a first laser configured to emit a first beam along a first optical axis, the first beam having a first beam energy density when focused; and a second laser configured to emit a second beam along a second optical axis, the second beam having a second beam energy density when focused; and a beam modulator component configured to adjust at least one of: an angle between the first optical axis of the first beam and the second optical axis of the second beam, a first focusing distance of the first beam, and a second focusing distance of the second beam, such that the first beam energy density and the second beam energy density combined is greater than the threshold energy density sufficient to create the marking.

A composite structure includes: a substrate, and a printable layer, provide on at least a part of a surface of the substrate and having accommodated therein a colorful material.

Provided in some aspects are methods for light-controlled in situ surface patterning of a substrate comprising a step of blocking or ablating oligonucleotide molecules in a boundary region separating a plurality of spot regions, and attaching oligonucleotides to oligonucleotide molecules in a first one or more of the spot regions.