CN110341294B - Screen printing plate manufacturing method based on metal plate engraving - Google Patents
Screen printing plate manufacturing method based on metal plate engraving Download PDFInfo
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- CN110341294B CN110341294B CN201910799203.4A CN201910799203A CN110341294B CN 110341294 B CN110341294 B CN 110341294B CN 201910799203 A CN201910799203 A CN 201910799203A CN 110341294 B CN110341294 B CN 110341294B
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- photosensitive glue
- metal plate
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 35
- 239000002184 metal Substances 0.000 title claims abstract description 35
- 238000007650 screen-printing Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims description 90
- 238000002955 isolation Methods 0.000 claims description 19
- 210000002469 basement membrane Anatomy 0.000 claims description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 12
- 229920002120 photoresistant polymer Polymers 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 210000004379 membrane Anatomy 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229920002799 BoPET Polymers 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 2
- 229920006362 Teflon® Polymers 0.000 claims description 2
- 238000007639 printing Methods 0.000 abstract description 12
- 239000010410 layer Substances 0.000 description 92
- 230000004888 barrier function Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/02—Engraving; Heads therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/02—Engraving; Heads therefor
- B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
- B41C1/045—Mechanical engraving heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/14—Forme preparation for stencil-printing or silk-screen printing
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Printing Plates And Materials Therefor (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Abstract
The invention discloses a screen printing plate manufacturing method based on metal plate engraving, which comprises the following steps: s1, engraving a metal plate; s2, positioning; s3, preparing a photosensitive film; s4, attaching a photosensitive film; s5, cutting and tearing the film; s6, exposure; the invention changes the traditional method that the printing grid line area is manufactured by photosensitive after the warp and the weft are interwoven, the invention directly engraves the grid line hollow for printing on the metal plate, and then engraves the mesh at other parts of the grid line hollow, thus forming the gauze.
Description
Technical Field
The invention relates to a screen printing plate manufacturing method based on metal plate engraving.
Background
The silk-screen printing technology is an ancient civilization, is a long-standing industry and is widely applied to the production and life of people. Particularly, in recent years, the electronic industry is highly developed, the screen printing process is well applied, vivid scenes appear, and meanwhile, higher and higher requirements are provided for the requirements on the precision of the screen, and the basic structure of the existing screen is a screen frame, a screen and a printing grid line area on the screen; at present, the gauze is generally formed by interweaving metal warps and metal wefts, and the printing grid area is on the gauze, so that the printing grid area and the gauze are overlapped, and the printability is reduced; in addition, the metal warp and the metal weft can be bent and deformed, so that the metal warp and the metal weft touch the grid line region, the printed grid line region is deformed, and further the later-stage printing fails; in addition, the exposure on the screen generally comprises the steps of coating a photosensitive adhesive on the screen, heating and curing the photosensitive adhesive on the screen, and exposing and washing the photosensitive adhesive on the screen by a negative exposure method to obtain a screen printing pattern.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the screen plate manufacturing method based on metal plate carving has the advantages of better printability, more reliable screen gauze structure, good stability of photosensitive glue coating, uniform coating and controllable thickness.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a screen printing plate manufacturing method based on metal plate engraving comprises the following steps:
s1, engraving the metal plate: selecting a metal plate, carving grid line hollows on the metal plate in advance, and then carving meshes at other parts of the grid line hollows to form a gauze;
s2, positioning: fixing the metal plate on a screen frame to form a screen printing plate;
s3, preparing a photosensitive film: selecting a bottom film, uniformly spraying active alumina powder on the bottom film, and spraying a first layer of photosensitive glue on the bottom film sprayed with the active alumina powder; an isolation film is attached and installed in the middle of the first layer of photosensitive glue; controlling the peripheral edge of the first layer of photosensitive resist to be positioned outside the peripheral edge of the isolation film; then spraying a second layer of photosensitive glue on the end faces of the isolating film and the first layer of photosensitive glue; the second layer of photosensitive glue covers the isolation film and is overlapped with the peripheral edge of the first layer of photosensitive glue up and down, and then the second layer of photosensitive glue is sent into a drying oven to be heated to obtain a semi-dry composite photosensitive glue layer;
s4, laminating the photosensitive film: spraying water on the gauze in the step S2, covering and adhering the second layer of photosensitive glue at the uppermost end of the semi-dry composite photosensitive glue layer on the gauze, and then sending the gauze into a drying oven for heating and drying to ensure that the second layer of photosensitive glue is covered, adhered and adhered on the gauze;
s5, cutting and tearing the film: tearing the basement membrane from the first layer of photosensitive glue, then cutting the periphery of the second layer of photosensitive glue to enable the first layer of photosensitive glue to be cut and separated from the second layer of photosensitive glue, and finally tearing the isolation membrane to obtain the gauze attached with the second layer of photosensitive glue;
s6, exposure: and exposing and developing the second layer of photosensitive resist on the gauze.
Further, the bottom film in step S3 is a PET film.
Further, in step S3, the isolation membrane is a teflon membrane.
Further, the vertical distance L from the peripheral edge of the isolation film to the peripheral edge of the first layer of photosensitive resist in the step S3 is not less than 2 cm.
Further, the temperature in the oven in the step S3 is 20 to 30 ℃; the drying time is 15-20 min.
Further, the temperature in the oven in the step S4 is 30 to 40 ℃; the drying time is 15-20 min.
Furthermore, the metal plate is made of one of stainless steel, tungsten steel, titanium, aluminum, copper and nickel.
The invention has the advantages of
1. The invention changes the traditional method that the printing grid line area is manufactured by photosensitive after the warp and the weft are interwoven, the invention directly engraves the grid line hollow for printing on the metal plate, and then engraves the mesh at other parts of the grid line hollow, thus forming the gauze.
2. The invention changes the traditional mode of directly coating the photosensitive glue on the gauze, but performs the photosensitive glue, and directly coats the photosensitive glue on the basement membrane, because the smoothness of the basement membrane causes the poor adhesion between the photosensitive glue and the basement membrane, and the moving is very inconvenient, so the invention utilizes the porous adsorption characteristic of the active alumina powder to uniformly spray the active alumina powder on the basement membrane, and then sprays the first layer of photosensitive glue on the basement membrane sprayed with the active alumina powder, thereby increasing the adhesion of the first layer of photosensitive glue and the basement membrane, and after the first layer of photosensitive glue is directly heated and solidified on the gauze and is torn, the surface of the first layer of photosensitive glue can present a porous fold structure due to the infiltration of the aluminum powder of the active alumina powder, thus bringing inconvenience to the subsequent exposure, the surface smoothness of the first layer of photosensitive glue can not be controlled even if the surface of the first layer of photosensitive glue is cut, the invention adds a barrier film and a second layer of photosensitive glue, the second layer of photosensitive glue is jointed and covered on the upper end surface of the first layer of photosensitive glue, and the barrier film is arranged in the space between the second layer of photosensitive glue and the first layer of photosensitive glue, because the periphery of the second layer of photosensitive glue and the first layer of photosensitive glue are jointed and connected, the connection between the second layer of photosensitive glue and the first layer of photosensitive glue is not influenced, the smoothness of the second layer of photosensitive glue and the film tearing treatment of the following barrier film can be ensured by the barrier film, so the invention actually uses the second layer of photosensitive glue, the second layer of photosensitive glue is jointed on the gauze, after heating and curing, the basement membrane is torn from the first layer of photosensitive glue, then the periphery of the second layer of photosensitive glue is cut, the first layer of photosensitive glue is cut and separated from the second layer of photosensitive glue, and finally the barrier film is torn, the gauze attached with the second layer of photosensitive glue is obtained, therefore, the second layer of photosensitive resist can be prefabricated, the thickness is easy to control, certain leveling uniformity can be guaranteed, and the influence on the printing performance of the screen printing plate is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a base film, activated alumina, a first layer of photoresist, an isolation film, and a second layer of photoresist.
FIG. 2 is a schematic view of the structure of the first layer of photoresist, the isolation film and the second layer of photoresist according to the present invention.
FIG. 3 is a schematic view of a structure of an isolation film and a second layer of photoresist according to the present invention.
FIG. 4 is a schematic diagram of a second layer of photoresist according to the present invention.
Fig. 5 is a schematic view of the structure of the gauze of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, a method for manufacturing a screen printing plate based on metal plate engraving includes the following steps:
s1, engraving the metal plate: selecting a metal plate 7, carving grid line hollows 71 on the metal plate 7 in advance, and then carving meshes 72 at other parts of the grid line hollows 71 to form a gauze; the metal plate 7 is made of one of stainless steel, tungsten steel, titanium, aluminum, copper and nickel.
S2, positioning: and fixing the metal plate 7 on a screen frame to form a screen printing plate.
S3, preparing a photosensitive film: selecting a bottom film 1, uniformly spraying active alumina powder 5 on the bottom film 1, and spraying a first layer of photosensitive glue 2 on the bottom film sprayed with the active alumina powder 5; an isolating film 3 is attached and installed in the middle of the first layer of photosensitive emulsion 2; controlling the peripheral edge of the first layer of photosensitive resist 2 to be positioned outside the peripheral edge of the isolating film 3; then spraying a second layer of photosensitive glue 4 on the upper end surfaces of the isolation film 3 and the first layer of photosensitive glue 2; the second layer of photosensitive resist 4 covers the isolation film 3 and is overlapped with the peripheral edge of the first layer of photosensitive resist 2 up and down, and then the second layer of photosensitive resist is sent into an oven to be heated to obtain a semi-dry composite photosensitive adhesive layer, wherein the temperature in the oven in the step S3 is 20-30 ℃, and 25 ℃ can be optimized; the drying time is 15-20 min, preferably 18 min; the bottom film 1 is a PET film; the isolating membrane 3 is a polytetrafluoroethylene film; the vertical distance L from the peripheral edge of the isolation film 3 to the peripheral edge of the first layer of photosensitive resist is more than or equal to 2cm, and the vertical distance L is the length of the reference numeral 41 in FIG. 2.
S4, laminating the photosensitive film: spraying water on the gauze in the step S2, covering and adhering the second layer of photosensitive glue 4 at the uppermost end of the semi-dry composite photosensitive glue layer on the gauze, and then sending the gauze into an oven to be heated and dried, so that the second layer of photosensitive glue 4 is covered, adhered and adhered on the gauze, wherein the temperature in the oven is 30-40 ℃, and 35 ℃ can be optimized; the drying time is 15-20 min, preferably 18 min.
S5, cutting and tearing the film: as shown in fig. 1 to 4, the bottom film 1 is torn from the first layer of photosensitive resist 2, then the periphery of the second layer of photosensitive resist 4 is cut, i.e. cut at 41 in fig. 2, so that the first layer of photosensitive resist 2 is cut and separated from the second layer of photosensitive resist 4, and finally the isolation film 3 is torn off, so as to obtain the gauze attached with the second layer of photosensitive resist 4.
S6, exposure: and exposing and developing the second layer of photosensitive resist on the gauze.
The invention changes the traditional method that the printing grid line area is manufactured by photosensitive after the warp and the weft are interwoven, the invention directly engraves the grid line hollow for printing on the metal plate, and then engraves the mesh at other parts of the grid line hollow, thus forming the gauze.
The invention changes the traditional mode of directly coating the photosensitive glue on the gauze, but performs the photosensitive glue, and directly coats the photosensitive glue on the basement membrane 1, because the smoothness of the basement membrane 1 causes the poor adhesion between the photosensitive glue and the basement membrane 1, and is very inconvenient when moving, so the invention utilizes the porous adsorption characteristic of the active alumina powder 5 to uniformly spray the active alumina powder 5 on the basement membrane 1, and then sprays the first layer of photosensitive glue 2 on the basement membrane sprayed with the active alumina powder 5, thereby increasing the adhesion of the first layer of photosensitive glue 2 and the basement membrane 1, after the first layer of photosensitive glue 2 is directly heated and solidified on the gauze and the basement membrane is torn, the surface of the first layer of photosensitive glue 2 presents a porous structure due to the penetration of the active alumina powder folds 5, as shown in figure 2, thereby bringing inconvenience to the subsequent exposure, and the surface smoothness can not be controlled even if the surface of the first layer of photosensitive glue 2 is cut, the invention adds the isolating film 3 and the second layer of photosensitive glue 4, the second layer of photosensitive glue 4 is jointed and covered on the upper end surface of the first layer of photosensitive glue 2, the isolating film 3 is arranged inside the space between the second layer of photosensitive glue 4 and the first layer of photosensitive glue 2, the isolating film 3 is made of polytetrafluoroethylene material, which can ensure that the isolating film 3 is not easy to be jointed with the first layer of photosensitive glue 2 and the second layer of photosensitive glue 4, because the peripheries of the second layer of photosensitive glue 4 and the first layer of photosensitive glue 2 are jointed and connected, the connectivity of the second layer of photosensitive glue 4 and the first layer of photosensitive glue 2 is not influenced, the smoothness of the second layer of photosensitive glue 4 and the convenience for the film tearing treatment of the isolating film 3 can be ensured by the isolating film 3, thus, the second layer of photosensitive glue 4 is practically used in the invention, the second layer of photosensitive glue 4 is jointed on the gauze, after the gauze is heated and solidified, then the bottom film 1 is torn from the first layer of photosensitive glue, then, as long as the periphery 41 of the second layer of photosensitive resist 4 is cut, the first layer of photosensitive resist 2 is cut and separated from the second layer of photosensitive resist 4, and finally the isolation film 3 is torn off to obtain the gauze attached with the second layer of photosensitive resist 4, so that the second layer of photosensitive resist 4 can be prefabricated, the thickness is easy to control, certain leveling uniformity can be ensured, and the influence on the printing performance of the screen printing plate is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A screen printing plate manufacturing method based on metal plate engraving is characterized by comprising the following steps:
s1, engraving the metal plate: selecting a metal plate, carving grid line hollows on the metal plate in advance, and then carving meshes at other parts of the grid line hollows to form a gauze;
s2, positioning: fixing the metal plate on a screen frame to form a screen printing plate;
s3, preparing a photosensitive film: selecting a bottom film, uniformly spraying active alumina powder on the bottom film, and spraying a first layer of photosensitive glue on the bottom film sprayed with the active alumina powder; an isolation film is attached and installed in the middle of the first layer of photosensitive glue; controlling the peripheral edge of the first layer of photosensitive resist to be positioned outside the peripheral edge of the isolation film; then spraying a second layer of photosensitive glue on the end faces of the isolating film and the first layer of photosensitive glue; the second layer of photosensitive glue covers the isolation film and is overlapped with the peripheral edge of the first layer of photosensitive glue up and down, and then the second layer of photosensitive glue is sent into a drying oven to be heated to obtain a semi-dry composite photosensitive glue layer;
s4, laminating the photosensitive film: spraying water on the gauze in the step S2, covering and adhering the second layer of photosensitive glue at the uppermost end of the semi-dry composite photosensitive glue layer on the gauze, and then sending the gauze into a drying oven for heating and drying to ensure that the second layer of photosensitive glue is covered, adhered and adhered on the gauze;
s5, cutting and tearing the film: tearing the basement membrane from the first layer of photosensitive glue, then cutting the periphery of the second layer of photosensitive glue to enable the first layer of photosensitive glue to be cut and separated from the second layer of photosensitive glue, and finally tearing the isolation membrane to obtain the gauze attached with the second layer of photosensitive glue;
s6, exposure: and exposing and developing the second layer of photosensitive resist on the gauze.
2. The method of claim 1, wherein the base film in step S3 is a PET film.
3. The method of claim 1, wherein the isolating film in step S3 is a teflon film.
4. The method of claim 1, wherein a vertical distance L from the peripheral edge of the isolation film to the peripheral edge of the first layer of photoresist in step S3 is greater than or equal to 2 cm.
5. The screen printing method based on metal plate engraving of claim 1, wherein the temperature in the oven in the step S3 is 20 to 30 ℃; the drying time is 15-20 min.
6. The screen printing method based on metal plate engraving of claim 1, wherein the temperature in the oven in the step S4 is 30 to 40 ℃; the drying time is 15-20 min.
7. The method of claim 1, wherein the metal plate is made of one of stainless steel, tungsten steel, titanium, aluminum, copper, and nickel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910799203.4A CN110341294B (en) | 2019-08-28 | 2019-08-28 | Screen printing plate manufacturing method based on metal plate engraving |
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| CN201910799203.4A CN110341294B (en) | 2019-08-28 | 2019-08-28 | Screen printing plate manufacturing method based on metal plate engraving |
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| CN110341294B true CN110341294B (en) | 2020-11-10 |
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| CN113085346A (en) * | 2021-03-11 | 2021-07-09 | 浙江硕克科技有限公司 | Printing metal plate with printing surface having buffering function and manufacturing process thereof |
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| US4289071A (en) * | 1977-12-23 | 1981-09-15 | Napp Systems (Usa), Inc. | Shallow relief non-bottoming photopolymer printing plate |
| US4351238A (en) * | 1980-09-25 | 1982-09-28 | Harpold Charles W | Method for screen printing |
| CN1125204C (en) * | 2000-11-07 | 2003-10-22 | 徐建平 | Method and equipment for making net by laser |
| EP1369230A1 (en) * | 2002-06-05 | 2003-12-10 | Kba-Giori S.A. | Method of manufacturing an engraved plate |
| CN1326692C (en) * | 2004-07-01 | 2007-07-18 | 深圳市光韵达实业有限公司 | Nickel plated metal printing masterplate and its producing method |
| CN100427320C (en) * | 2006-04-21 | 2008-10-22 | 中国印钞造币总公司 | Manufacturing method of metal surface multiple latent image and antifalse product made by said method |
| CN101318401B (en) * | 2007-06-08 | 2010-12-29 | 富葵精密组件(深圳)有限公司 | Screen printing plate and manufacturing method thereof |
| CN101387828B (en) * | 2008-11-14 | 2011-08-31 | 中国印钞造币总公司 | Method for manufacturing precoated photosensitive etching printing plate |
| CN101612849A (en) * | 2009-07-29 | 2009-12-30 | 广州慧谷化学有限公司 | A kind of non-treatment printing plate and preparation method thereof and application |
| CN201477366U (en) * | 2009-08-20 | 2010-05-19 | 长沙高新开发区意升新材料有限公司 | A precoated photosensitive metal plate for etching |
| CN103171244B (en) * | 2011-12-23 | 2015-06-10 | 昆山允升吉光电科技有限公司 | Method for manufacturing double-layer solar energy printing screen |
| CN103522732B (en) * | 2012-07-06 | 2016-08-03 | 上海运申制版模具有限公司 | A kind of semi-submerged etching laser plate making method |
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| WO2016177702A1 (en) * | 2015-05-04 | 2016-11-10 | Flint Group Germany Gmbh | Laser-engravable pad printing plate |
| CN104875474A (en) * | 2015-05-28 | 2015-09-02 | 山东华芯富创电子科技有限公司 | Screen printing plate structure and manufacturing method thereof |
| CN107310244A (en) * | 2017-06-22 | 2017-11-03 | 大连保税区金宝至电子有限公司 | The processing method of solar energy electrode printing screen plate |
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