438results 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.

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.

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 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.

Provided is an on-press development type lithographic printing plate precursor having two or more maximal absorption wavelengths in a wavelength range of 760 nm to 900 nm, in which in a case where the on-press development type lithographic printing plate precursor is subjected to exposure to infrared having a wavelength of 830 nm at an energy density of 110 mJ / cm2, in a portion subjected to the exposure, a brightness change ΔL before the exposure and after storage subsequent to the exposure for 24 hours under conditions of 25°C and 70% RH is 3.0 or more. Also provided are a method of preparing a lithographic printing plate and a lithographic printing method in which the on-press development type lithographic printing plate precursor is used.

System for moving a flexible sheet (P), in particular a printing sheet or a printing sheet precursor, on a support surface in the direction of a treatment station (S2), such as a washing station, said system comprising: a support body (100) configured to support a sheet on its support surface and intended to be located upstream of said treatment station; a moving device (200) comprising sheet engagement means (250) configured to come into contact with a sheet in such a way as to engage with said sheet by adhesion or friction or a combination thereof in a moving mode and in which, by controlling said moving device (200), said sheet can slide on said support surface; a control device configured to control said moving device so as to cause said sheet to slide on said support body in the direction of said treatment station.

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.

There is provided an on-press development type lithographic printing plate precursor including a support, and an image-recording layer provided on the support, in which the image-recording layer contains (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 may each independently have a ring structure. Provided that at least one of R1, R2, R3, or R4 is different from the other. M+ represents a cation. Ma+ represents an iodonium cation.

The invention discloses a metal-based magnetic light drum and a processing method thereof.The light drum comprises a cylindrical light drum body and an end supporting component coaxially assembled at the end of the light drum body, and a plurality of annular air grooves are distributed in the outer cylindrical surface of the light drum body at intervals in the axial direction; the annular air grooves divide the outer cylindrical surface of the drum body into a plurality of independent annular areas, and air holes penetrating through the inner side and the outer side of the drum body in the thickness direction of the drum body are distributed in each annular air groove; a cavity is machined in the outer cylindrical surface of each annular area, a magnetic attraction structure is embedded in each cavity, and the outer surface of each magnetic attraction structure and the outer cylindrical surface of the drum body form a smooth and continuous cylindrical curved surface. The method has the beneficial effects that the metal base plate is directly adsorbed on the surface of the light drum in a magnetic attraction mode, fitting is complete, the magnetic flux is uniform, bubbles or folds are avoided, the scraping risk and imaging defects of a traditional protruding structure on the surface of the plate are eliminated, the definition and consistency of printed patterns are improved, and the printing quality is improved.

This disclosure relates to a coating apparatus for applying a single layer of particles to a receiving surface. The apparatus includes a pressurized air source; a dressing chamber partially defined by the receiving surface, into which an airflow is supplied from the air source; an air return path for returning air from the dressing chamber to an air inlet of the air source to form an air circulation loop; and a metering device for introducing particles to be coated onto the receiving surface into the air circulation loop, wherein a particle deflector is positioned in the airflow path to break up agglomerated particles carried by the airflow before coating the receiving surface with the particles. A method for applying a particle layer is also provided, as well as a printing system that benefits from this coating apparatus.

The present application relates to a kind of nickel alloy screen for printing and its manufacturing method, comprising the following steps: step one: select nickel alloy plate as original model;Step two: the surface cleaning of the original model selected in step one is carried out, and surface dirt and oil stain are removed;Step three: using chemical cathode deposition method, with original model as material, add electroforming liquid, complete nickel net integrated molding work by electroforming;Step four: the electroformed nickel net after being treated in step three is demoulded, and nickel alloy net is obtained;Step five: the nickel alloy net after being demoulded in step four is hot melt compounded with PE film by hot melting machine.The present application is integrally formed by micro electroforming, processed and formed by cathode deposition phenomenon in electrochemical process, has very high replication accuracy and dimensional accuracy, can replace the use of traditional screen gauze, and because of its flexibility of arbitrary design, currently has designed multiple schemes to match the use of different scenes.

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 the at least partial removal according to step (iv) is carried out by heating and removing the unexposed areas using a developing material.

The utility model relates to an engraving system for gravure ink cell volume engraving, which comprises an automatic measuring camera, a host, a PCIE serial port card, a signal controller, a bus terminal, a contact memory and an engraving head, the host, the PCIE serial port card, the signal controller, the bus terminal, the contact memory and the engraving head are connected in sequence, the host is in communication connection with the automatic measuring camera, and the automatic measuring camera is in communication connection with the signal controller. The contact type memory stores parameters of an ink cell outline, and the host controls the engraving head to engrave the ink cell through the PCIE serial port card, the signal controller, the bus terminal and the contact type memory in sequence according to a control signal. According to the utility model, the PCIE serial port card, the signal controller, the bus terminal, the contact memory, the engraving head and the automatic measurement camera are added, the volume of the ink cell is calculated firstly, then the engraving head is controlled to engrave, and the volume of the ink cell is accurately controlled to ensure that the ink contents among the ink cells are kept consistent.

A lithographic printing plate precursor is disclosed including a support and a coating comprising a photopolymerisable layer including a polymerisable compound and a photoinitiator, characterized in that the coating comprises a hydrophilic adhesion promoting copolymer including at least one monomeric unit according to Formula I and at least one monomeric unit according to Formula II; and at least one group and / or moiety including a phosphor atom.

The present application relates to the technical field of precision printing screen manufacturing, and particularly relates to a manufacturing method of a full-opening metal screen, which comprises the following steps: preparing a screen frame, a polyester screen cloth and a metal substrate, and demarcating an effective printing area and a peripheral fixed area in the screen frame; stretching and fixing the polyester screen cloth on the screen frame, so that the part of the polyester screen cloth corresponding to the peripheral fixed area forms a force-bearing screen cloth layer; taking the metal substrate as a temporary bearing substrate, forming a full-opening metal screen cloth through photolithography and electroforming deposition, and setting a width compensation amount of a mask pattern according to the finished product pattern opening line width and the subsequent nano coating thickness; separating the full-opening metal screen cloth and fixing it with the force-bearing screen cloth layer, and removing the polyester screen cloth in the effective printing area; roughening the doctor blade surface of the full-opening metal screen cloth, and forming a nano coating on the doctor blade surface and the inner wall of the pattern opening. The method makes the force-bearing structure and the pattern opening structure be set in different areas, and makes the coating thickness correspond to the finished product opening line width control.

The invention discloses a manufacturing method of a screen printing plate, which comprises the following steps: mutually interweaving a plurality of parallel warps and a plurality of parallel wefts to form screen cloth, and rolling and pressing the screen cloth to enable the warps and the wefts to be mutually clamped to form screen knots; etching the net knots; stretching and fixing the screen cloth on a screen frame to form a semi-finished product printing screen; coating an emulsion on the screen cloth of the semi-finished screen printing plate to form an emulsion layer, setting a preset yarn removing pattern area, and performing exposure and development on the screen cloth in the preset yarn removing pattern area; removing the warps or the wefts in the preset yarn removing pattern area through etching; removing the emulsion layer; coating a high polymer material on the screen cloth; at least one opening pattern is formed in the area, corresponding to the preset yarn removing pattern area, of the high polymer material layer, and the finished product printing screen plate is formed. According to the invention, the resistance to ink is reduced, the precision of printed patterns is improved, the fluctuation is low, and the device can adapt to opening patterns of various shapes.

The application discloses a production equipment for a chemical thinning screen cloth for a screen printing screen, which comprises acid tanks, alkali tanks and water tanks which are sequentially arranged and have the same main body structure, an overflow tank is arranged on the outer side of the side wall of the main tank, the overflow tank is communicated with the inside of the main tank through an overflow pipe and a circulating pump, a pure water supply storage box is communicated with the inside of the main tank through a liquid inlet pipe, a liquid discharge device is arranged at the bottom of the main tank, a heating device and a bubbling device are arranged in the inside of the main tank, a mesh plate is arranged in the main tank and covers the top of the heating device and the bubbling device, a screen with the screen cloth is vertically arranged in the main tank and above the mesh plate, the acid tank further comprises an acid supply storage box which is communicated with the inside of the main tank through a liquid inlet pipe, the alkali tank further comprises an alkali supply storage box which is communicated with the inside of the main tank through a liquid inlet pipe, and the water tank further comprises an ultrasonic cleaning device which is arranged in the inside of the main tank. The chemical thinning screen cloth can effectively improve the steel wire diameter, reduce the grid line width in the screen pattern and reduce the consumption of the electrode silver paste in the screen printing.

Provided are an on-press development type lithographic printing plate precursor including: a support; and an image-recording layer on the support, in which the image-recording layer contains an electron-accepting polymerization initiator, an electron-donating polymerization initiator, an infrared absorber, and a salt compound A, and an HOMO value of an anion constituting a salt in the salt compound A is -6.2 eV or more and -4.4 eV or less, and a method of preparing a lithographic printing plate or a lithographic printing method using the on-press development type lithographic printing plate precursor.

A positive-working lithographic printing plate precursor including a support and an image-recording layer formed on the support and consisting of a positive-working photosensitive resin composition, in which the positive-working photosensitive resin composition contains a compound having at least one electron-withdrawing group and at least one phenolic hydroxyl group in one molecule, an alkali-soluble resin, and an infrared absorber, and the electron-withdrawing group excludes a sulfonyl group; and a method of preparing a lithographic printing plate using the positive-working lithographic printing plate precursor.

The application discloses a self-adaptive buffering anti-shrinkage COB lamp surface steel mesh and a preparation and application method, and belongs to the technical field of COB printing. The lamp surface steel mesh comprises a steel mesh base material and a self-adaptive elastic buffer layer. The self-adaptive elastic buffer layer is in a net structure, and the upper surface of the self-adaptive elastic buffer layer is connected with the lamp surface area of the steel mesh base material. A plurality of micro-nano anti-adhesion openings are arranged on the steel mesh base material and correspond to lamp surface pads. The inner wall of the micro-nano anti-adhesion opening is provided with an array of micro-pits. The application realizes anti-shrinkage from four dimensions of inhibiting deformation of the steel mesh, reducing the adhesion of tin paste, dispersing printing stress and self-adapting to PCB adhesion, and completely solves the tin paste shrinkage problem.

The invention provides color-changing ink and color-changing decorative paper, and the color-changing ink comprises the following components in parts by weight: 25-45 parts of a film-forming agent, 8-20 parts of a three-response color-changing agent, 35-65 parts of a solvent, 2-6 parts of a functional auxiliary agent and 6-18 parts of a high-strength adhesive, wherein the film-forming agent comprises a flexible film-forming monomer and a graft copolymer containing a hydrogen bond crosslinking group, and the graft copolymer at least comprises an alginate derivative chain segment. The color-changing ink disclosed by the invention is flexible in film forming, brittle fracture-resistant, compact, water-resistant and good in compatibility, has a core color-changing function, and is uniform in component dispersion and easy to coat; the coating is not easy to fall off, and the color changing effect is stable and lasting.

The utility model discloses a holographic anti-counterfeit label high-precision laser plate making device which comprises a machining table, a laser plate making assembly is installed on one side face of the machining table, a longitudinal positioning assembly is installed on one side face of the machining table, and the longitudinal positioning assembly comprises two pressure bearings. And inner rings of the two pressure bearings are jointly connected with a positive and negative screw rod. According to the device, the laser plate making assembly is utilized, raw materials can be conveniently subjected to label making, the positive and negative screw rod can be driven to rotate in the inner ring of the pressure bearing, in addition, the mounting base is in threaded connection with the positive and negative screw rod and is in sliding connection with the machining table, and the mounting base can drive the mounting frame and the positioning frame to get close longitudinally; the two groups of positioning frames can be transversely close to each other by matching the threaded connection of the positive and negative screw rods and the positioning frames and the sliding connection of the positioning frames and the mounting frame, and can be suitable for positioning raw materials with different sizes by combining the longitudinal and transverse approaching of the positioning frames, and the quality and effect of labels are improved.

The invention provides a manufacturing method of a photovoltaic metal screen plate. The manufacturing method comprises the steps that a mask layer with a target pattern is formed on the second surface of a metal base material, wherein the target pattern comprises a plurality of hole patterns distributed in an effective area and at least two alignment mark patterns located outside the effective area; and taking the mask layer as protection, performing chemical etching on the second surface of the metal substrate to form a half-etched hole with the depth of D1, and etching the alignment mark pattern into an alignment through hole penetrating through the metal substrate. And removing the mask layer. And based on the alignment through hole, aligning the position of the semi-etching hole from the first surface of the metal substrate, and performing laser processing on the bottom of the semi-etching hole by adopting laser to form an etching through hole. According to the manufacturing method disclosed by the invention, laser whole-process processing which is long in time consumption is optimized into a compound process of combining chemical etching rough processing with laser finish processing, so that the laser processing time of a single screen printing plate is remarkably shortened; the manufacturing cost of a single screen printing plate is reduced; and the process reliability and the pattern precision are high.

A method of flood exposing a photocurable printing blank to actinic radiation from a UV light source to crosslink and cure the photocurable printing blank. The photocurable printing blank includes a support, at least one photocurable layer upon the support, wherein the at least one photocurable layer is capable of being selectively crosslinked and cured upon exposure to actinic radiation at a desired wavelength. The photocurable printing blank is subjected to flood exposure by positioning the photocurable printing blank in an exposure unit that includes a plurality of UV LED light tubes arranged at a distance from a surface of the photocurable printing blank.

The invention relates to a novel multi-line-width and multi-opening screen printing plate structure and a processing technology thereof.The novel multi-line-width and multi-opening screen printing plate structure comprises a screen printing plate body and a multifunctional coating, the screen printing plate body comprises an ink storage groove layer, a base material structure layer and an opening layer which are sequentially arranged, and the multifunctional coating is formed by coating the surface of the screen printing plate body with multifunctional paint; the multifunctional coating comprises the following components in parts by mass: 90-110 parts of a porous polymer substrate, 10-12 parts of a quaternary ammonium salt ionic polymer, 14-18 parts of organic modified filler, 2-4 parts of a dispersing agent and 1-3 parts of a flatting agent, the porous polymer substrate is prepared from the following raw materials: polydimethylsiloxane, polymethyl methacrylate, epoxy resin and gamma-aminopropyltriethoxysilane. The screen printing plate has the effect of improving the ink outlet fluency of the screen printing plate.

Reusable composite stencils for spray processes, particularly for spray processes used in the fabrication of integrated circuit devices, may be fabricated having a permanent core and at least one sacrificial material layer. Thus, in operation, when a predetermined amount of the sacrificial material layer has been ablated away by a material being sprayed in the spray process, the remaining sacrificial material layer may be removed and reapplied to its original thickness. Therefore, the permanent core, which is usually expensive and / or difficult to fabricate, may be repeatedly reused.

The invention relates to a pattern manufacturing method of a solar screen inspection film. The pattern manufacturing method comprises the following steps: segmenting lines in an original film pattern according to different line types; placing the first linear lines in the first pattern layer, and performing thickening processing on the first linear lines; placing the second linear lines in a second pattern layer, and filling the second linear lines; and combining the first pattern layer and the second pattern layer to obtain a target film pattern. The method comprises the following steps of: based on a grid line electrode manufacturing graph of the solar panel, respectively carrying out thickening and filling treatment on lines of different line types to obtain a target film graph, manufacturing an inspection film according to the target film graph, and subsequently comparing the grid line patterns of the solar panel to obtain a grid line electrode of the solar panel. In the production process, by using the film inspection jig, process quality monitoring can be effectively carried out, abnormity can be found and reduced in the first time, invalid rework cost is reduced, and the final yield of finished products is improved.