793results about "Plate printing" patented technology

The invention belongs to the technical field of electrode printing, and discloses a full-opening steel plate for printing and printing equipment. The full-opening steel plate for printing comprises a first metal layer and a second metal framework layer, and the first metal layer is provided with a printing opening used for printing a whole fine grid at a time. The second metal framework layer is stacked on one side of the first metal layer, the side, away from the first metal layer, of the second metal framework layer is an S face, the second metal framework layer is provided with a plurality of slurry penetrating channels penetrating from the S face to the printing opening at intervals, and connecting bridges and slurry penetrating holes are alternately arranged between every two adjacent slurry penetrating channels. A slurry storage cavity is formed in the bottom of the second metal framework layer. According to the full-opening steel plate for printing, during printing, slurry is stored through the slurry penetrating holes and the slurry storage cavities which are vertically arranged in a layered mode, so that slurry supply of the printing openings is guaranteed, gaps caused by insufficient supply of slurry at the positions, corresponding to the connecting bridges, of the fine grids are avoided, meanwhile, the printing height is effectively controlled, and the printing quality is improved. And the printing quality and the printing cost control of the battery piece are improved.

Relief precursors with an enhanced capacity to be developed into high performing relief structures, more in particular high quality relief structures such as printing plates. A photosensitive composition (PC) for forming a photosensitive layer of a relief precursor (RP), comprising particular stabilizers and binders. By including the stabilizer and binder as described herein the stability of the melt of the photosensitive composition during production, e.g. production by extrusion, can be enhanced significantly. Such enhanced stability could be achieved without or with minimal undesired impact on the resulting printing performance and / or imaging characteristics of the reliefs formed by developing the relief precursors.

The invention relates to the technical field of silk-screen printing, and discloses a mesh straightness optimizing device which comprises a supporting frame, first supporting plates are fixedly connected to the four corners of the inner side of the supporting frame, one ends of the multiple first supporting plates are fixedly connected with the same first inner frame, and a fixing frame is arranged on the upper side of the supporting frame; second supporting plates are fixedly connected to the four corners of the inner side of the fixing frame, one ends of the multiple second supporting plates are fixedly connected with the same second inner frame, multiple hollow plates are fixedly connected to the periphery of the top of the fixing frame at equal intervals, and rotating shafts are rotatably connected to the inner sides of the multiple hollow plates; and the outer sides of the multiple rotating shafts are fixedly connected with L-shaped plates. When a sliding block moves, an L-shaped plate is driven to rotate through a movable plate, so that a roller is driven to move downwards to press a single net wire, the tightness of the single net wire can be adjusted, and the net wire tension of each part on a net plate can be accurately controlled.

A film for manufacturing a flexographic printing plate, which comprises a base material and an ablation layer laminated on the base material, the ablation layer containing a resin having a structural unit (1) represented by general formula (1), and the thickness of the base material being 10 [mu] m or more and less than 100 [mu] m. (In formula (1), R1 and R2 each independently represent a non-polar group, and R3 and R4 each independently represent a hydrogen atom or a non-polar group. > # imgabs0 #

A process for creating a mask for making a printing plate from an unexposed flexographic plate having a masking layer. The process includes providing image information as a first screen having a first plurality of pixels and defining openings in the masking layer in accordance with the image information by superimposing on at least a portion of the image information a base pattern of equally sized spots. Each spot corresponds to an imaged discrete element represented on the mask and has a size corresponding to a smallest discrete element formed on the mask. The spots in the base pattern are aligned in horizontal rows and columns having a non-zero spacing between adjacent rows and columns. In at least a portion of the mask, a size for forming each imaged discrete element is selected such that each set of four neighboring imaged discrete elements has a non-imaged discrete area centered therebetween.

The present invention relates to a thermal development apparatus (1) for removing non-crosslinked polymer or monomer from a first surface (5a) of a flexographic plate (5). The apparatus according to the invention comprises a moving assembly (10) defining a support surface (11a) for the plate (5), wherein said moving assembly (10) moves said flexographic plate (5) along a predetermined trajectory. According to the invention, said moving assembly (10) comprises a support cylinder (11) which includes a cylindrical body (11') that develops around a longitudinal axis (100), wherein said support cylinder (11) further includes a cover layer (11') which partially covers an outermost surface (18) of said cylindrical body (11) and defines said support surface (11a) for said plate (5); Said moving assembly (10) also comprises a plurality of connecting pins (43) connected, directly or indirectly, to said outermost surface (18) of said cylindrical body (11) at a cutoff region (60) of said cover layer (11'), wherein said pins (43) are aligned parallel to said longitudinal axis (100) and wherein, for each pin (43), the radial distance (R1, R*) between said longitudinal axis (100) and a free end (431) of said pin (43) is less than the radial distance (R2) between said longitudinal axis (100) and the support surface (11a) defined by said cover layer (11').

The utility model belongs to the technical field of electrode printing, and discloses a full-opening steel plate for printing and printing equipment. The full-opening steel plate for printing comprises a first metal layer and a second metal layer, and the first metal layer is provided with a printing opening in the first direction; the second metal layer is stacked on one side of the first metal layer, a slurry penetrating opening is formed in the second metal layer in the first direction and penetrates from the slurry coating face to the printing opening, a plurality of connecting parts are arranged in the slurry penetrating opening at intervals in the first direction, the connecting parts are partially hollowed out, and the connecting parts and the first metal layer are arranged at intervals; and a slurry storage cavity is formed between the connecting part and the first metal layer. According to the full-opening steel plate for printing, the locally-hollowed-out connecting part and the slurry storage cavity are used for storing slurry together, so that sufficient slurry is supplied to the printing opening, the situation that gaps are generated in the positions, corresponding to the connecting part, of the fine grids due to insufficient slurry supply is prevented, the printing height of the welding area is effectively controlled, and the printing quality of a battery piece is improved.

The invention discloses a PI (polyimide) screen anti-piercing method which comprises the following steps: S1, firstly, leading a screen raw material needing to be produced into a corresponding mold for heating, melting the raw material in a mold cavity for molding, after standing for a period of time, opening the mold, taking out the molded screen, and taking out the molded screen; the screen printing plate is taken out, the taken-out screen printing plate is put into cold water to be cooled, the surface of the screen printing plate is washed through corresponding cleaning equipment, burr grinding treatment is conducted on the cleaned surface, and surface drying can be conducted through drying equipment after grinding is completed. The protection area of a non-pattern area of the PI film can be effectively increased, the service life of the screen printing plate can be effectively prolonged due to the fact that the anti-puncturing leakage film is integrated, and the problem that printing is affected due to the fact that the distance between the anti-puncturing leakage film and lines cannot be well mastered through pure manual pasting and the lines are too close to the lines or the lines are covered is solved. And defects of printed products and waste of printing materials are effectively reduced.

This flexographic printing original plate is provided with a support body and, provided on the support body in this order, a photosensitive resin composition layer, an intermediate layer, and an infrared ablation layer. In a tensile stress-strain curve diagram obtained by measuring the intermediate layer molded into a dumbbell shape No. 8 having a thickness of 100 μm in conformity with JIS K 6251 (2017), elongation up to the breaking point is 5% to 200% inclusive, elongation at the point of maximum stress is 3% to 200% inclusive, and a maximum value of the stress is 1.0 MPa to 15 MPa inclusive.

Provided are a washout processor and a method for manufacturing a flexographic printing plate precursor, which have good productivity and work efficiency. A washout processor that develops a flexographic printing plate precursor after imagewise exposure using a developer includes a station for attaching the flexographic printing plate precursor, and a measurement unit that measures at least one of a size or a thickness of the flexographic printing plate precursor and a position of the flexographic printing plate precursor on the station.

The invention relates to the technical field of printing screens, in particular to a pure opening printing screen and a manufacturing method thereof.The manufacturing method of the pure opening printing screen comprises the steps that a polyethylene film and metal mesh cloth are sequentially attached to a polyester mesh, the metal mesh cloth and the polyester mesh are tightly attached together in a hot pressing mode, and composite mesh cloth is formed; the designed processing drawing is guided into a laser machine, and a yarn removing area, a yarn removing path and a yarn removing sequence are set; starting a yarn removing program of the laser machine, completely removing steel wires in the X-axis direction and the Y-axis direction of the yarn removing area of the composite screen cloth, and forming a hollow opening in the yarn removing area of the composite screen cloth; carrying out plate making by adopting the composite screen cloth which is qualified after the product inspection to obtain a pure opening printing screen plate; according to the manufactured pure-opening printing screen, the printing screen can achieve the effect that no steel wire blocks an ink discharging channel in a required effective area, and the situation that the steel wire influences the printability and the printing effect of an ink penetrating area is avoided.

A printing device comprises a carrier with a pressure side. A plurality of cavities are formed on the pressure side. An electrically conductive heating layer is also arranged on the pressure side. Within each cavity, the heating layer comprises a wall section that is positioned against one wall of the respective cavity. An electrical voltage can be applied to the heating layer, causing a current to flow through the wall sections.

Methods, systems, and non-transitory memory media embodying computer readable instructions for minimizing voids in front of a trailing edge of a solid rendition or linework print region printed using a photocurable flexographic printing plate having a printing surface corresponding to information in an image file. At least one solid rendition or linework image region corresponding to the solid rendition or linework print region has a pattern of “on” and “off” single pixels that correspond to openings formed by an imager in a mask layer of the plate. Micro-screen openings in an edge region of the solid rendition or linework mask region are imaged with a different size than micro-screen openings in a center region of the solid rendition or linework mask region.

The invention discloses a junction-free metal net film which at least comprises a first metal layer, a plurality of first grid line areas are arranged on the first metal layer, the first metal layer is composed of at least 50% of nickel, and the content of the nickel is not larger than 97%. Wherein the first metal layer at least contains other metal materials, and the total content of the metal materials is not more than 50% and not less than 3%. According to the metal net film, at least one metal layer provided with the grid line area is made of nickel and other metal, the content of other metal is not smaller than 3%, one or two or more kinds of metal can be mixed in nickel, and therefore it can be guaranteed that the prepared metal net film has enough toughness and net stretching strength; and the service life of the metal net film can be effectively prolonged.

The invention discloses a carrier plate, a laser printing device and a laser printing method, and relates to the technical field of laser printing. The carrier plate comprises at least one groove, the grooves are formed in the surface of the same side of the carrier plate in a specified pattern and contain printing paste, and the printing paste can be released to the surface of the solar cell piece under laser irradiation. The cross section of the groove of the support plate is of a specially-designed arch structure, comprises the arch part and the side wall part, has the size in a specific range, and is combined with the shaped light spot and the laser with the special wavelength, so that the printing paste in the groove of the rigid support plate is easier to desorb; therefore, desorption of the printing paste can be promoted without adding a release layer in the carrier plate groove or increasing the content of organic release components in the printing paste. In combination with the laser printing method, the printed grid line is lower in line width, the height-width ratio of the grid line is larger, the quality of the grid line is high, the production efficiency is better improved, and the production cost is better reduced.

To provide a method for producing a coated substrate which makes positional displacement in a transfer direction of a coated film applied to a coating protruding portion inconspicuous.SOLUTION: A producing method of a coated substrate 100 includes performing coating on a substrate 1, which has grooves 3 and projections 2, using a printing plate 25 in a relief printing method. Four sides of each of the projections 2 have a front side 4, a rear side 5, and lateral sides 6 that face each other. Directions of the front side 4 side relative to the rear side 5 of the projection 2 are the same. The projection 2 includes a coated projection 28 and a non-coated projection 29. The printing plate 25 has a relief section 26. The periphery of the relief section 26 includes a front end edge 261, a rear end edge 262, and lateral end edges 263. Among the front end edge 261 and the rear end edge 262, at least one adjacent to the non-coated projection 29 of the substrate 1 is not formed in a linear shape that is orthogonal to the direction of the front side 4 side relative to the rear side 5. The producing method includes sequentially coating the coated projection 28 by bringing the relief section 26 into contact with the coated projection 28 while conveying the substrate 1.SELECTED DRAWING: Figure 1

A highlight microdot mask element includes: at least one imaged region having at least one imaged block and being optically transmissive; at least one opaque island formed by at least one non-imaged block, wherein an arrangement of the plurality of imaged regions and the at least one opaque island defines the highlight microdot print surface pattern; and an opaque void region surrounds the highlight microdot pattern. A flexographic plate highlight microdot printhead includes: at least one elevated region, each elevated region having at least one elevated block forming a print surface; at least one internal recess formed by at least one recessed block, wherein an arrangement of the plurality of elevated regions and the at least one recess define a the highlight microdot print surface pattern of a highlight microdol structure; and an recess void region surrounding the highlight microdot structure.

The invention belongs to the technical field of full-opening printing plates, and particularly relates to a high-strength full-opening metal printing plate and a processing technology thereof.The high-strength full-opening metal printing plate comprises a plate body, the plate body is integrally made of alloy materials such as nickel, chromium and iron, a printing groove is formed in the end face of the plate body, and a plurality of full-opening printing grid holes are formed in the end face of the printing groove; a guide arc edge which bends and diffuses outwards is formed on the edge face, facing the printing groove, of the printing grid hole, and the area, expanded outwards by 400-550 micrometers, of the guide arc edge is gradually heightened, and a convergent horn mouth shape is formed. Through the special opening design and process, higher opening precision is achieved, the size, shape and position of the opening can meet the requirement of complex design, meanwhile, the stress concentration problem is effectively solved, the overall structural strength of the steel plate is enhanced, and the manufacturing cost is reduced. And in the printing process, it can be guaranteed that the printed grid lines have good flatness and uniformity, the situations of gourd joints and the like are effectively reduced, and the forming quality of the grid lines is improved.

The present invention pertains to: an on-press development-type planographic printing plate precursor which has a support and an image recording layer on the support, and in which the image recording layer contains an electron acceptor-type polymerization initiator and two or more electron donor-type polymerization initiators, the two or more electron donor-type polymerization initiators are borate compounds, and at least one thereof is a borate compound represented by formula (1); and an application of the on-press development-type planographic printing plate precursor. In formula (1), R1, R2, R3, and R4 each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkenyl group, or a substituted or unsubstituted alkynyl group, and R1, R2, R3, and R4 each independently may have a ring structure. However, at least one of R1, R2, R3, and R4 is different from the others. M+ represents a cation.

This on-press development type planographic printing plate original plate includes a support body and an image recording layer on the support body, wherein the image recording layer includes (1) or (2).　(1) A borate compound represented by formula (1), and an electron-accepting polymerization initiator.　(2) A borate compound represented by formula (1a).　In formula (1) and formula (1a), R1, R2, R3, and R4 each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkenyl group, or a substituted or unsubstituted alkynyl group, and R1, R2, R3, and R4 each independently may have a ring structure. However, at least one of R1, R2, R3, and R4 differs from the others. M+ represents a cation. Ma+ represents an iodonium cation.

The invention provides a back contact battery piece, a printing steel plate and a photovoltaic module, and relates to the technical field of photovoltaics. The back contact battery piece comprises a battery body which comprises a first surface and a second surface which are opposite to each other along the thickness direction of the battery body; the plurality of current collection electrodes are arranged on the first surface of the battery body and extend along the first direction; the plurality of current collection electrodes comprise a first current collection electrode and a second current collection electrode which are sequentially distributed along a second direction; the first direction intersects with the second direction; the insulating block is positioned in a local area of one side, far away from the battery body, of the collector electrode continuously arranged along the first direction; in the same collector electrode, the height of at least the first part covered by the insulating block is H1, the height of at least the second part not covered by the insulating block is H2, and H1 is smaller than H2. In the same current collection electrode, the height H1 of at least the first part which is covered by the insulating block and has the short circuit risk is relatively low, so that the short circuit risk is obviously reduced.

The invention relates to a printing stencil (1) for forming conductor paths on a substrate. The printing stencil (1) has a plurality of recesses in the form of printing gaps (4) for forming the conductor paths. Each printing gap (4) of the plurality of printing gaps (4) has at least one print definition region (3) adjacent to the printing side and at least one printing medium supply region (2) adjacent to the squeegee side, wherein the volume of the print definition region (3) is smaller than the volume of the printing medium supply region. The invention also relates to a printing device for forming conductor paths on a substrate and a method for producing a metal contact structure of a photovoltaic solar cell.

The invention relates to a method for producing a flexographic printing form from a digitally imageable, photopolymerizable flexographic printing element comprising, arranged one above the other in the aforementioned order, at least one dimensionally stable carrier (A), at least one photopolymerizable, relief-forming layer (B), a UVA-light transparent, oxygen-blocking barrier layer (C), a laser-ablatable mask layer (D), and a peelable cover film (E), wherein the method comprises at least the steps (i) peeling off the cover film (E), (ii) inscribing a mask into the laser-ablatable mask layer (D) using an IR laser, (iii) exposing the imaged flexographic printing element with UVA light through the formed mask, (iv) removing the residues of the laser-ablatable mask layer (D), the barrier layer (C), and the unpolymerized portions of the relief-forming layer (B).and (v) optionally includes post-exposure of the dried flexographic printing plate with UVA and / or UVC light, wherein layers (B), (C) and (D) are soluble or dispersible in an organic solvent, and the barrier layer (C) contains at least an oxygen-blocking binder and an oligomeric or polymeric basic adhesive component, and that at least partial removal according to step (iv) is carried out by heating and removing the unexposed areas using a developing material.

This gravure cylinder has a cylindrical or columnar shape, and is provided with a plurality of recessed parts on the outer peripheral surface, the recessed parts holding paste to be transferred to a sheet on which the paste is to be transferred. The plurality of recessed parts each have an electrode cell defining the corresponding recessed part. Let that, on the outer peripheral surface, the rotating direction is defined as Y direction and the direction orthogonal to Y direction is defined as X direction, and that the length in X direction of an outermost electrode cell located outermost on both sides in X direction is defined as Ax and the length in X direction of an inside electrode cell located inside of the outermost electrode cell in X direction is defined as Bx, then the relation of Ax>Bx holds.　

A flexographic printing plate precursor is disclosed in which the size and the number of pinholes in a heat-sensitive mask layer are reduced in a simple manner, and to provide a flexographic printing plate almost free from disadvantages caused by the pinholes, based on the flexographic printing plate precursor. A flexographic printing plate precursor comprising at least a support (A), a photosensitive resin layer (B), a heat-sensitive mask layer (C) and a cover film (D) which are laminated in this order, characterized in that the surface energy and the surface roughness (Ra) of a surface of the cover film (D) which contacts with the heat-sensitive mask layer (C) are 25.0 to 40.0 mN / m and 0.01 to 0.2 μm, respectively, and that a protection layer (E) formed from a polymer compound dispersible in a developing solution is provided between the photosensitive resin layer (B) and the heat-sensitive mask layer (C).

The utility model relates to the field of printing plates, and discloses a zinc plate with a self-cleaning coating. The zinc plate comprises a zinc plate body and is characterized in that an anti-skid bottom plate is fixedly installed at the bottom of the zinc plate body, the zinc plate body is composed of a protection layer, a base layer zinc plate, a photosensitive layer and a back paint layer, and the protection layer internally comprises a self-cleaning layer and a protection adhesive film layer. And the protective adhesive film layer arranged in the protective layer can reduce the time of stain attachment as much as possible, so that the protective layer has certain self-cleaning capability, and in the subsequent cleaning process of the zinc plate main body, the use convenience of the whole device is improved, and the service life of the zinc plate main body is prolonged. Meanwhile, the anti-skid bottom plate and the anti-skid bottom pad at the bottom of the zinc plate body can increase the friction force between the zinc plate body and the placing surface, and the anti-skid stability of the whole device in the using process is improved.

A plate making system comprises a writing device, an exposure device, a developing device, a first transfer device and a second transfer device in an integrated manner. The plate making system also comprises a control device that controls a series of plate making processes for a flexographic printing original plate performed by the writing device, the exposure device and the developing device.

According to the manufacturing method of the screen cloth for the solar photovoltaic screen printing plate, the screen cloth is woven by adopting various warp and weft combinations, so that downstream customers can meet the requirements of various properties and the service life more flexibly according to the requirements of the customers. Warps and wefts with different diameters and different meshes are adopted for mixed weaving, according to customer requirements and market requirements, different weft diameters and different warp and weft mesh numbers are set for weaving, and the method comprises the following specific steps that S1, tungsten filaments used for weaving are wound on a raw material shaft according to reed parameter indexes; s2, enabling a tungsten filament for weaving a net to penetrate through a palm sheet and a reed, wherein the palm sheet is divided into a front sheet and a rear sheet; s3, uniformly adhering the warp yarns penetrating through the palm sheet and the reed to an adhesive tape; and S4, driving the weft yarns to weave through reciprocating motion of the rapier belt.

To provide a flexographic printing plate precursor that enables production of a flexographic printing plate with superior print durability, which exhibits resistance to printing omissions due to foreign matter even during long-run printing.SOLUTION: A flexographic printing plate precursor has a relief forming layer that contains a resin (A) with ionic groups and a surfactant (B) with a hydrocarbon group of 10 or more carbon atoms and ionic groups capable of forming counterions with the resin (A).SELECTED DRAWING: None

A method for designing a printing plate to be mounted on a printing cylinder. By applying an energy minimization function, an optimal lateral seam path is defined between opposite lateral edges of the plate. The top and bottom edges of the plate are defined based on the optimal lateral seam path, preferably with a variable gap therebetween, and the bottom edge unfolds from the top edge to define a closed cutting path. The area within the closed cutting path is wrapped with the original image or a portion thereof, and an updated digital graphic file is stored. The energy minimization function may include a penalty function with weighting factors, a total seam path length, and a seam path amplitude. For an original image including staggered channels of a stepped and repeated single design image, the optimal lateral seam path may extend across the single design image, the steps between adjacent single design images, or a combination thereof on each channel.