1327results about "Forme preparation" patented technology

A pattern which does not appear at a flat portion in normal binarization processing is set as a code pattern, and a code formed from this pattern is attached. At this time, code attachment with little degradation in image quality is implemented by selecting an unnoticeable pattern.

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 provides top frame equipment applied to an etching process and a silk screen processing process, and relates to the technical field of silk screen processing. The invention discloses top frame equipment applied to an etching process. The top frame equipment comprises a rack, a mounting groove body, a jacking assembly, a moving mechanism, a gluing nozzle and a rolling assembly, the mounting groove body is connected with the rack and is used for mounting the stretching auxiliary screen printing plate; the jacking assembly is connected with the rack and used for installing a target screen frame, and the jacking assembly drives the target screen frame to abut against the screen cloth; the gluing nozzle is connected with the moving mechanism, and the moving mechanism drives the gluing nozzle to move, so that the gluing nozzle coats glue to the screen cloth along the outline of the target screen frame; the rolling assembly comprises a supporting shell and a compaction roller, the supporting shell is connected with the moving end of the moving mechanism, the compaction roller is rotationally connected with the supporting shell, and the moving mechanism drives the compaction roller to move, so that the compaction roller rolls glue on the screen cloth along the outline of the target screen frame. The screen cloth and the target screen frame can be bonded more compactly through glue.

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.

The invention relates to the technical field of photovoltaics, in particular to a photovoltaic electroforming screen printing plate and a preparing and forming process thereof. The preparation forming process of the photovoltaic electroforming screen printing plate comprises the following steps that S1, a base plate pattern is formed; s2, preparing an electroforming solution; and S3, the substrate is placed in the electroforming solution, and after electroforming integral forming is conducted, demolding treatment is conducted to obtain the photovoltaic electroforming screen printing plate. According to the preparation forming technology of the photovoltaic electroforming screen, the problems that an existing screen needs degreasing, wire drawing and repeated degreasing, the plate making technological process is complex, film typesetting is difficult, the plate making period is long, and the service life is short are solved, so that the preparation forming technology of the obtained photovoltaic electroforming screen is simple, the screen cloth straightness is high, film typesetting is easy, the production cost is low, and the production efficiency is high. And the yield and the wear resistance of the photovoltaic electroforming screen printing plate are improved.

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 #

IR-sensitive lithographic printing plate precursors provide a stable print-out image using a unique IR radiation-sensitive composition in an infrared radiation-sensitive image-recording layer. This IR radiation-sensitive composition includes: (1) a free radical initiator composition that comprises an electron-donating agent; (2) a free radically polymerizable composition; and (3) a color-changing compound that is represented by the Structure (I) having a conjugated carbon chain between the aromatic terminal groups. The compound also has a —SO2—R3 group wherein R3 represents alkyl, aryl or heteroaryl groups. After IR imaging, these precursors exhibit desirable printout images both fresh and after dark storage. The precursors can be developed off-press or on-press.

The invention relates to the technical field of printing screens, in particular to a screen and a manufacturing method thereof, a solar cell and a production method thereof, and a photovoltaic module. The screen printing plate comprises a film body, graphical grid line printing holes are formed in the film body, the grid line printing holes comprise grid line main body printing holes and lap joint printing holes which are communicated, and the grid line main body printing holes are configured to be consistent with an auxiliary grid printing area or a main grid printing area in graph. The lap joint printing hole is configured to be consistent with the pattern of the lap joint printing area; in the thickness direction of the film body, one end of each grid line main body printing hole is exposed out of the first surface, and the other end of each grid line main body printing hole is positioned in the film body; the lap joint printing hole penetrates through the film body, and the two ends of the lap joint printing hole are exposed out of the first face and the second face respectively. When the screen printing plate is used for printing, not only can the slurry cost be reduced, but also higher printing quality can be achieved.

IR-sensitive lithographic printing plate precursors provide a stable print-out image using a unique IR-sensitive image-recording layer. The IR radiation-sensitive layer includes: (1) a free radical initiator composition with an electron-donating agent and one or more iodonium cations; (2) a free radically polymerizable composition; and (3) a color-changing compound of Structure (I) having an indene ring in the conjugated chain between the aromatic terminal groups. The IR radiation-sensitive composition and layer also contains one or more borate ions such that the molar ratio of one or more borate ions to the one or more iodonium ions is at least 0.5:1. After IR imaging, these precursors exhibit desirable printout images both fresh and after dark storage. The precursors can be developed on-press.

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 invention relates to the technical field of screen printing plates, in particular to a printing screen printing plate, a manufacturing method, a solar cell and a photovoltaic module. The printing screen comprises a screen body and a reinforcing part. A printing groove extending in the first direction is formed in the screen printing plate body and penetrates through the thickness direction of the screen printing plate body. The reinforcing part is arranged at the position, provided with the printing groove, of the screen printing plate body, the reinforcing part is arranged corresponding to the part of the printing groove, at least part of the reinforcing part is hollowed out, and the hollowed-out position of the reinforcing part is communicated with the printing groove. The printing screen has the advantages of high printing quality and high structural strength, can print continuous current collection grid lines, facilitates current collection of the current collection grid lines, and can meet the process and test requirements of electrifying a solar cell.

The invention discloses a printing dot compensation method, device and equipment and a storage medium, and the printing dot compensation method comprises the following steps: obtaining a first material parameter and an equipment parameter of a to-be-printed sheet; obtaining a digital printed sheet of the recent printed sheet from a database according to the first material parameter and the equipment parameter; performing cell division on the digital printed sheet, and calculating dot deformation rates of all cells; taking the second material parameter, the equipment parameter, the reference network point parameter, the actual network point parameter and the network point deformation rate as independent variables, taking network point compensation values for recovering the network points in all the cells to standard network points as dependent variables, and performing training by utilizing a PDC model to generate a plurality of network point compensation values matched with all the cells; and compensating the standard lattice points of all the cells according to the lattice point compensation values. According to the printing dot compensation method, dot compensation is carried out with the cells as units, and the defect that in the prior art, dot compensation cannot be carried out on a certain local area is overcome.

To provide a planning assistance device that makes it possible to identify a suitable plate-making condition and a suitable printing condition without a printing step, an information processing method using the device, and a program.SOLUTION: A planning assistance device comprises: a prediction unit that uses plate-making condition information, which indicates a plate-making condition for a printing plate, and a printing plate made under the plate-making condition, to predict, on the basis of printing condition information which indicates a printing condition for obtaining printed matter, printing quality information which indicates printing quality of the printed matter at a predetermined grayscale; and a recommendation unit that, on the basis of the printing quality information and target quality information which indicates a target index pertaining to the printing quality, outputs recommended condition information which indicates a recommended condition for the plate-making condition or for the printing condition.SELECTED DRAWING: Figure 1

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.

The invention discloses a flexographic printing anti-counterfeiting high-activity dry yeast packaging composite film and a preparation method thereof, the composite film is a composite film with a three-layer structure, the outer part is a printing layer, the middle part is a barrier layer, the inner part is a heat sealing layer, ultraviolet light explicit and implicit ink is printed on the film, and the layers are compounded by adopting an adhesive. The printing layer is a double-corona biaxially oriented polypropylene or biaxially oriented polyethylene glycol terephthalate film base material, the middle barrier layer is an aluminum foil or aluminized polyethylene glycol terephthalate film, and the inner printing layer is an antistatic PE film; a double-component polyurethane solvent-free adhesive is adopted between the layers to form a composite film. The flexographic printing mode is adopted, the height line number needed by anti-fake printing is achieved, the randomly-arranged pattern sequence is adopted, the forgery possibility is greatly reduced, due to the addition of the anti-reflection master batch, the film has higher transparency, and the definition of anti-fake printing is improved.

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 utility model discloses a solar cell panel silk-screen printing screen stretching structure which comprises a support, clamping arms and hydraulic cylinders, the clamping arms are distributed on the periphery of the support, the hydraulic cylinders are installed on the periphery of the support and connected with the clamping arms, a placing table is arranged on the inner side of the support, an outer frame is placed on the top face of the placing table, and the outer frame is connected with the clamping arms. A silk screen is placed on the top face of the outer frame, the placing table comprises a top plate, a fixed bottom plate, an air cylinder and a rolling assembly, and the top plate is arranged on the inner side of the support in a lifting mode; after the outer frame is placed at the top of the top plate, the top plate can be pushed through the air cylinder, so that the top plate and the outer frame on the top plate are lifted and moved, the height of the outer frame is adjusted, and the outer frame can be tightly attached to a tightened silk screen during subsequent screen tensioning, so that the outer frame and the tightened silk screen are more conveniently and accurately pasted in the subsequent process; and the fitting degree of the two parts is better.

The utility model discloses a bottom plate making mold of a micro-nano optical imprinting plate, which comprises a bottom template, a left mold assembly, a right mold assembly, a front mold assembly, a rear mold assembly and a top mold assembly, and the right mold assembly, the front mold assembly, the left mold assembly and the rear mold assembly are sequentially arranged on the bottom template to define a square mold cavity. The top mold assembly is arranged on the bottom mold plate and can ascend and descend relative to the bottom mold plate, the right mold assembly pushes the front mold assembly to synchronously move towards the left mold assembly side to adjust the length of a square, the left mold assembly drives the front mold assembly to synchronously move towards the rear mold assembly side to adjust the width of the square, and the size of the square can be adjusted through the right mold assembly and the left mold assembly. The plate making mold can be freely adjusted according to the size of a nickel plate, after the size is adjusted, the top mold assembly is controlled to descend to be tightly attached to the top faces of the right mold assembly, the front mold assembly, the left mold assembly and the rear mold assembly, then resin is injected to form a bottom plate, and therefore the size of a mold cavity used for forming can be adjusted according to needs, and the universality of the plate making mold is improved; and the plate making cost is reduced.

The utility model discloses a plate making device for printing plate making, which comprises a box body, a box cover, exposure lamps, a turnover mechanism and a clamping mechanism, and is characterized in that the edge of an opening on the upper side of the box body is hinged with the edge of one side of the box cover, and a group of uniformly arranged exposure lamps are fixedly arranged in the box cover; the turnover mechanism comprises a rectangular frame, the rectangular frame is arranged in the box body, the middles of the two sides of the rectangular frame are fixedly connected with rotating shafts respectively, the two rotating shafts are movably connected with the middle of one side of the box body respectively, the end of one rotating shaft is fixedly connected with a center shaft of a worm gear, the worm gear is meshed with a worm, and the worm is meshed with the worm. A center shaft of the worm is movably connected with the middle of a square plate, the square plate is fixedly connected with the box body, and an output shaft of the motor is fixedly connected with the center shaft of the worm. According to the utility model, printing plates with different lengths and thicknesses can be fixed, the application range is wide, and meanwhile, the two surfaces of the printing plate can be exposed.

The invention relates to a silk screen printing plate quick-changing jig. The silk screen printing plate quick-changing jig sequentially comprises a screen printing plate jig bottom plate and a screen printing plate jig supporting plate from bottom to top. The middle part of the screen jig supporting plate is provided with a screen clip-shaped frame mechanism through a clip-shaped frame supporting plate mechanism, and a limiting mechanism is arranged on the clip-shaped frame supporting plate mechanism or on the screen jig supporting plate outside the clip-shaped frame supporting plate mechanism; an air cylinder pushing assembly is installed in the middle of at least one side of the screen jig supporting plate. Through the structural arrangement of the concentric-square-shaped frame supporting plate mechanism and the limiting mechanism, the screen printing plate feeding device has high quick-changing performance, the feeding mode of screen printing plates of different specifications is simple, and machining and using of products of various sizes and types can be met.

The invention relates to the technical field of printing screens, in particular to a printing screen and a manufacturing method thereof. The printing screen comprises a screen body and a filiform structure. A printing groove is formed in the screen printing plate body and penetrates through the screen printing plate body in the thickness direction of the screen printing plate body, and the length direction of the printing groove is the first direction. The filamentous structure is arranged at the position of the printing groove on the screen printing plate main body; in the first direction, the filiform structure corresponds to a local area of the printing groove; the filiform structure extends along a second direction, and the second direction intersects with the first direction. According to the screen printing plate, the silk-shaped structure is locally arranged, so that the screen printing plate body has high structural strength and long service life, the rest area, not provided with the silk-shaped structure, of the printing groove has good slurry passing ability, and the printing appearance of grid lines is good.

The utility model relates to the field of precision nets, in particular to a net composed of micron-sized silk threads and a manufacturing method and application of the net. The screen comprises an area used for printing, the area is composed of micron-sized silk threads which are staggered in two directions, the diameter of the micron-sized silk threads is 0.1-50 microns, or the long diameter of the micron-sized silk threads is 5-80 microns, or the short diameter of the micron-sized silk threads is 2-30 microns; the silk threads are divided into transverse threads and longitudinal threads, all the transverse threads are located on the same layer, and all the longitudinal threads are located on the other layer different from the layer where the transverse threads are located. The transverse lines are arranged in parallel; the longitudinal lines are arranged in parallel; the transverse line and the longitudinal line are in contact at an angle of 0-90 degrees, and the transverse line and the longitudinal line are fixedly connected at each contact point of the transverse line and the longitudinal line; the silk threads are made of metal. The manufacturing process of the screen is simple, and the requirements of high-precision application scenes (such as silicon wafer silk-screen printing) can be met.

The invention relates to the technical field of screen production, in particular to a double-sided composite reinforced printing screen and a manufacturing method thereof. Weaving metal wires to obtain screen cloth, and fixing the screen cloth on a screen frame; coating the bottom surface of the screen cloth with a high polymer material to form a first high polymer material layer on the screen cloth; etching the first high polymer material layer in a laser etching mode to form an opening pattern; coating a PI composite material on the top surface of the screen cloth to obtain a PI layer; coating the front surface of the PI layer with a high polymer material to form a second high polymer material layer; the second high polymer material layer is etched in a laser etching mode, the double-sided composite reinforced printing screen is obtained, the first high polymer material layer and the second high polymer material layer are additionally arranged, screen point position abrasion caused by the downward pressing pressure and the depth of a scraper is avoided, and the printing service life is prolonged.

The invention relates to a liftable loading-out type screen printing plate jig of a roller structure. The liftable loading-out type screen printing plate jig sequentially comprises a jig bottom plate, a lower screen printing plate bearing plate and an upper screen printing plate bearing plate from bottom to top. At least one air cylinder locking assembly used for locking the upper screen bearing plate is installed on the right side of the lower screen bearing plate. A screen printing plate concentric-square-shaped frame is installed on the top of the concentric-square-shaped frame fixing vertical plate and the top of the motor vertical plate through a concentric-square-shaped frame base plate. Through the three-layer structure of the supporting structure, the lifting structure and the carrying-out structure, feeding of the large screen frame is facilitated, and machining treatment is facilitated.

The invention provides a method for preventing laser from burning a steel wire in screen printing plate manufacturing, and relates to the technical field of screen printing plate manufacturing. Comprising the following steps: stretching a net: stretching a net cloth according to a preset tension and fixing the net cloth on a net frame; degreasing: putting the screen printing plate into an automatic cleaning machine, cleaning the surface of the steel wire mesh, and drying; film plating: putting the screen into a film plating machine, and plating an anti-laser material on the surface of a steel wire on the printing surface of the screen; film pasting, wherein a PI film and the screen printing plate plated with the anti-laser material are subjected to hot-pressing pasting; and manufacturing a printed pattern: obtaining the printed pattern in a laser etching mode. According to the invention, a layer of anti-laser material is plated or sprayed on the steel wire mesh, so that the burning degree of laser to steel wires in the laser cutting process is reduced, and the service life of the screen printing plate is prolonged. The anti-laser material can be, but not limited to, nickel, chromium, tungsten, cobalt, titanium, ceramic and the like, and is plated on the surface of the steel wire mesh by means of electroplating, vacuum plating, ion plating, ion spraying and the like.

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.

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 relates to the technical field of screen printing plates, in particular to a printing screen printing plate, a manufacturing method and a solar cell. The screen printing plate comprises a screen printing plate layer, the screen printing plate layer is provided with a printing groove extending in the first direction, the printing groove penetrates through the screen printing plate layer in the thickness direction of the screen printing plate layer, the printing groove comprises a plurality of first groove sections and second groove sections which are alternately connected in the first direction, and the maximum width of the first groove sections in the second direction is larger than that of the second groove sections in the second direction; the minimum width of the first groove section in the second direction is larger than or equal to the maximum width of the second groove section in the second direction, and every two of the first direction, the second direction and the thickness direction of the screen printing plate layer are perpendicular to each other; the groove depth size of the first groove section in the thickness direction of the screen printing plate layer is smaller than the groove depth size of the second groove section in the thickness direction of the screen printing plate layer. The grid line printed by the printing screen not only integrates the welding performance of the assembly and the low resistance performance of the grid line, but also can reduce the cost.