CN111923629A - Macromolecular membrane half tone of S face coating configuration optimization - Google Patents
Macromolecular membrane half tone of S face coating configuration optimization Download PDFInfo
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- CN111923629A CN111923629A CN202010934828.XA CN202010934828A CN111923629A CN 111923629 A CN111923629 A CN 111923629A CN 202010934828 A CN202010934828 A CN 202010934828A CN 111923629 A CN111923629 A CN 111923629A
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- emulsion
- printing plate
- steel wire
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- 239000011248 coating agent Substances 0.000 title claims abstract description 36
- 238000000576 coating method Methods 0.000 title claims abstract description 36
- 238000005457 optimization Methods 0.000 title claims description 6
- 239000012528 membrane Substances 0.000 title description 2
- 239000010410 layer Substances 0.000 claims abstract description 112
- 229920000728 polyester Polymers 0.000 claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000000839 emulsion Substances 0.000 claims abstract description 41
- 229920006254 polymer film Polymers 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 238000007650 screen-printing Methods 0.000 claims abstract description 23
- 239000004831 Hot glue Substances 0.000 claims abstract description 22
- 239000003292 glue Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 238000013007 heat curing Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229920005596 polymer binder Polymers 0.000 claims description 2
- 239000002491 polymer binding agent Substances 0.000 claims description 2
- 229920005597 polymer membrane Polymers 0.000 claims 1
- 238000007639 printing Methods 0.000 abstract description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000011160 research Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000003985 ceramic capacitor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/04—Printing plates or foils; Materials therefor metallic
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Printing Plates And Materials Therefor (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Abstract
The invention discloses a polymer film screen printing plate with an optimized S-surface coating structure, which comprises a screen frame, wherein the inside of the screen frame is of a concave surface structure, a polyester net layer is arranged on the concave surface structure, a steel wire mesh layer is arranged on the upper part of the polyester net layer and positioned in the concave surface structure, a polymer film layer is arranged on the steel wire mesh layer, an emulsion layer is arranged on the polymer film layer, the boundary contour shape of the polyester net layer is consistent with the boundary contour shape of the steel wire mesh layer, a hot melt adhesive layer is arranged between the polyester net layer and the steel wire mesh layer, and the polyester net layer and the. The invention has the advantages that the problem of insufficient printing height is effectively improved through the emulsion layer, the printing efficiency of the screen printing plate is also improved, the emulsion is coated on the S surface, the wear resistance of the S surface of the screen printing plate is also improved, the service life of the screen printing plate is prolonged, in addition, the emulsion layer is added, the abrasion degree of a printing scraper is also reduced, the service cycle of the scraper is prolonged, and the production cost of a client is reduced.
Description
Technical Field
The invention relates to the field of manufacturing high-precision screen printing plates such as a solar cell screen printing plate, an MLCC (multi-layer ceramic capacitor), a TP (touch panel), a PCB (printed circuit board) and a 5G antenna, in particular to a polymer film screen printing plate with an optimized S-surface coating structure.
Background
With the increasing energy demand, the energy problem becomes a major problem restricting the development of the international society and economy, which prompts people to continuously explore new energy, wherein the research of solar energy occupies an important position; solar cells have been rapidly developed in recent years as one of core technologies for solar research, and the improvement of conversion efficiency of solar cells is a main research object of current solar cells, and besides requirements of cell substrate material selection and optimization, cell manufacturing process improvement and the like, the conversion efficiency of solar cells can also be improved by adopting a proper high-precision high-stability printing method. The use of printing screens during the printing of solar cells has a great influence on the final printing quality.
The printing of traditional solar wafer adopts the preparation mode of compound half tone, and current version structure mainly includes: a net frame, a polyester net, a hot melt adhesive, a steel wire mesh, a high polymer film and a pattern,
this screen has the following limitations:
1. the polyester net and the steel wire mesh are compounded together through hot melt adhesive, and the glue coating part of the polymer film is extruded into the holes of the steel wire mesh in a high-temperature hot pressing mode.
2. The glue coating layer of the polymer film is not uniformly extruded into the meshes.
3. When the glue amount of the polymer film is too much, the glue overflow problem is easy to occur, and the printing of the client side is influenced.
4. Easily generates the problem of abrasion of the scraper
In combination with the above limitations, we are constantly searching for new processes for making screens for printing.
Disclosure of Invention
The invention aims to solve the problems and designs a polymer film screen printing plate with an optimized S-surface coating structure.
The technical scheme of the invention is that the S-surface coating structure-optimized polymer film screen printing plate comprises a screen frame, a concave surface structure is arranged in the screen frame, a polyester net layer is arranged in the concave surface structure, a steel wire mesh layer is arranged on the upper portion of the polyester net layer and positioned in the concave surface structure, a polymer film layer is arranged on the steel wire mesh layer, and an emulsion layer is arranged on the polymer film layer.
As a further description of the present invention, the border outline shape of the polyester mesh layer is identical to the border outline shape of the steel mesh layer.
As a further description of the present invention, a hot melt adhesive layer is disposed between the polyester mesh layer and the steel mesh layer, and the polyester mesh layer and the steel mesh layer are compounded together through a hot melt adhesive.
As further description of the invention, the four corners of the screen frame are provided with mounting holes for facilitating the installation of the screen frame.
As a further description of the present invention, the middle position of the screen frame is symmetrically provided with laser reserved positioning holes for facilitating S-plane alignment.
As a further description of the present invention, the emulsion layer is coated with an emulsion or a heating type emulsion or a polymer binder, and the coating thickness is between 0.001mm and 0.020 mm.
As a further description of the invention, a pattern area is also arranged at the middle position in the screen frame.
As a further description of the present invention, the process scheme comprises the steps of:
the method comprises the following steps: stretching the net, placing the polyester net in the concave structure of the net frame, coating hot melt adhesive on the polyester net layer to form a hot melt adhesive layer, and arranging a steel wire mesh layer on the hot melt adhesive layer;
step two: washing the plate, namely putting the net frame on which the polyester net layer and the steel wire mesh layer are arranged into a washing liquid for washing;
step three: pressing, namely pressing the glue coating of the polymer film into meshes of the steel wire mesh layer;
step four: performing laser, namely performing laser on the screen frame with the polymer film;
step five: coating a photosensitive emulsion on the S surface of the screen frame, wherein the S surface is positioned on the polymer film, and coating the emulsion by adopting a machine coating mode to form an emulsion layer;
step six: exposing, namely performing film negative film alignment on the S surface through a laser preformed hole;
step seven: the heat curing treatment is carried out, so that the polymer film layer and the emulsion layer are more tightly attached together;
step eight: and developing to obtain the pattern to be developed.
The invention has the advantages that the invention provides the polymer film screen printing plate with the optimized S-surface coating structure, which comprises a screen frame, wherein the inside of the screen frame is of a concave structure, a polyester net layer is arranged in the concave structure, a steel wire mesh layer is arranged on the upper part of the polyester net layer and positioned in the concave structure, the polymer film layer is arranged on the steel wire mesh layer, the steel wire mesh layer and the polyester net layer are compounded together through hot melt adhesive, the boundary outline shape of the steel wire mesh layer is the same as the boundary outline shape of the polyester net layer, the upper part of the polymer film layer is coated with emulsion to form an emulsion layer, the emulsion adopts photosensitive emulsion or heating type photosensitive emulsion or polymer adhesive, through the photosensitive emulsion layer, the problem of insufficient printing height is effectively improved, the printing efficiency of the screen printing plate is also improved, the emulsion is coated on the S surface, the wear resistance of, the emulsion layer is added, so that the abrasion degree of the printing scraper is reduced, the service cycle of the scraper is prolonged, and the production cost of customers is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a process flow diagram of the present invention.
In the figure, 1, a screen frame; 2. a concave structure; 3. a polyester mesh layer; 4. a steel wire mesh layer; 5. a polymer film layer; 6. an emulsion layer; 7. a hot melt adhesive layer; 8. mounting holes; 9. reserving a positioning hole by laser; 10. a pattern area.
Detailed Description
First, the design of the present invention is designed primarily, and solar cells have been rapidly developed in recent years as one of the core technologies of solar cell research, and the improvement of the conversion efficiency of solar cells is the main research object of solar cells at present, and besides the requirements of the selection and optimization of the materials of the cell substrate, the improvement of the cell manufacturing process, etc., the conversion efficiency of solar cells can also be improved by adopting a suitable high-precision and high-stability printing method. The printing of traditional solar wafer adopts the preparation mode of compound half tone, and current version structure mainly includes: the screen printing plate comprises a screen frame, a polyester net, a hot melt adhesive, a steel wire mesh, a high polymer film and a pattern, and has the following limitations: 1. the polyester net and the steel wire mesh are compounded together through hot melt adhesive, and the glue coating part of the polymer film is extruded into the holes of the steel wire mesh in a high-temperature hot pressing mode; 2. the glue coating layer of the polymer film is extruded into the meshes and is not uniformly distributed; 3. when the glue amount of the polymer film is too much, the glue overflow problem is easy to occur, and the printing of a client side is influenced; 4. the problem of abrasion of the scraper is easy to occur; therefore, the invention designs the polymer film screen printing plate with the optimized S-surface coating structure.
The invention is described in detail below with reference to the accompanying drawings, and as shown in fig. 1, an S-surface coated structure optimized polymer film screen printing plate comprises a screen frame 1, a polyester mesh layer 3 and a steel mesh layer 4, wherein a pattern area 10 is arranged in the middle of the screen frame 1, in order to facilitate the installation of the polyester mesh layer 3 and the steel mesh layer 4, a concave structure 2 is arranged inside the screen frame 1, the polyester mesh layer 3 is arranged in the concave structure 2, the steel mesh layer 4 is arranged on the upper portion of the polyester mesh layer 3, and in order to ensure the normal use of the screen printing plate, the boundary outline shape of the polyester mesh layer 3 is the same as the boundary outline shape of the steel mesh layer 4.
In order to facilitate the polyester net layer 3 and the steel wire mesh layer 4 to be compounded together, a hot melt adhesive layer 7 is arranged between the polyester net layer 3 and the steel wire mesh layer 4, and the polyester net layer 3 and the steel wire mesh layer 4 are compounded together through hot melt adhesive.
In order to facilitate the fixation of the screen frame 1, the four corners of the screen frame 1 are provided with mounting holes 8 for facilitating the installation of the screen frame 1, the S surface is positioned in order to facilitate the printing, two positioning holes are formed in the middle of the screen frame 1, and the two positioning holes are symmetrically arranged.
In order to improve the printing efficiency of the screen printing plate, the emulsion is coated on the high polymer film layer 5, the emulsion adopts photosensitive emulsion or heating type photosensitive emulsion or high polymer adhesive to form an emulsion layer 6, and the coating thickness is between 0.001mm and 0.020 mm.
The process scheme comprises the following steps: as shown in fig. 2, stretching a net, stretching a polyester net, placing the polyester net in the concave structure 2 of the net frame 1, coating hot melt adhesive on the polyester net layer 3 to form a hot melt adhesive layer 7, and arranging a steel wire mesh layer 4 on the hot melt adhesive layer 7; washing the plate, namely putting the net frame 1 with the polyester net layer 3 and the steel wire net layer 4 into a washing liquid for washing; pressing, namely pressing the glue coating of the polymer film into the meshes of the steel wire mesh layer 4; performing laser, namely performing laser on the screen frame 1 with the polymer film; coating emulsion on the S surface, namely coating the emulsion on the S surface of the screen frame 1 on the polymer film in a machine coating mode to form an emulsion layer 6; exposing, namely performing film negative film alignment on the S surface through a laser preformed hole; heat curing treatment is carried out, so that the polymer film layer 5 and the emulsion layer 6 are tightly attached together; and developing to obtain the pattern to be developed.
Through the emulsion layer 6 of coating, the effectual not enough problem of printing height that has improved has also improved the printing efficiency of half tone, coats the emulsion at S face, has also increased the wearability of half tone S face, promotes half tone life, in addition, increases emulsion layer 6, has also reduced the abrasiveness of printing scraper, has prolonged scraper life cycle, has reduced customer' S manufacturing cost.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a polymer membrane half tone of S face coating configuration optimization, includes screen frame (1), its characterized in that, the inside concave surface structure (2) that is of screen frame (1), be provided with polyester net layer (3) in concave surface structure (2), polyester net layer (3) upper portion just is located be provided with steel wire net layer (4) in concave surface structure (2), be provided with polymer rete (5) on steel wire net layer (4), be provided with emulsion layer (6) on polymer rete (5).
2. The screen printing plate with the optimized S-surface coating structure as claimed in claim 1, wherein the boundary outline shape of the polyester mesh layer (3) is consistent with the boundary outline shape of the steel mesh layer (4).
3. The S-surface coating structure optimized polymer film screen printing plate as claimed in claim 1, wherein a hot melt adhesive layer (7) is arranged between the polyester mesh layer (3) and the steel mesh layer (4), and the polyester mesh layer (3) and the steel mesh layer (4) are compounded together through a hot melt adhesive.
4. The S-surface coating structure-optimized polymer film screen printing plate as claimed in claim 1, wherein four corners of the screen frame (1) are provided with mounting holes (8) for facilitating mounting of the screen frame (1).
5. The S-surface coating structure optimized polymer film screen printing plate of claim 1, wherein laser reserved positioning holes (9) convenient for S-surface alignment are symmetrically arranged at the middle position of the screen frame (1).
6. The screen printing plate of the S-surface coating structure optimization polymer film as claimed in claim 1, wherein the emulsion layer (6) is coated with an emulsion or a heating emulsion or a polymer binder, and the coating thickness is between 0.001mm and 0.020 mm.
7. The S-surface coating structure-optimized polymer film screen printing plate as claimed in claim 1, wherein a pattern area (10) is further arranged at the middle position in the screen frame (1).
8. The S-surface coating structure-optimized polymer film screen printing plate of claim 1, wherein the process scheme comprises the following steps:
the method comprises the following steps: stretching a net, stretching the polyester net, placing the polyester net in the concave structure (2) of the net frame (1), coating hot melt adhesive on the polyester net layer (3) to form a hot melt adhesive layer (7), and arranging a steel wire mesh layer (4) on the hot melt adhesive layer (7);
step two: washing the plate, namely putting the net frame (1) which is provided with the polyester net layer (3) and the steel wire net layer (4) into a washing liquid for washing;
step three: pressing, namely pressing the glue coating of the polymer film into meshes of the steel wire mesh layer (4);
step four: laser, namely performing laser on the screen frame (1) with the polymer film;
step five: coating emulsion on the S surface of the screen frame (1), wherein the emulsion is positioned on the polymer film and coated by adopting a machine coating mode to form an emulsion layer (6);
step six: exposing, namely performing film negative film alignment on the S surface through a laser preformed hole;
step seven: heat curing treatment is carried out, so that the polymer film layer (5) and the emulsion layer (6) are tightly attached together;
step eight: and developing to obtain the pattern to be developed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010934828.XA CN111923629A (en) | 2020-09-08 | 2020-09-08 | Macromolecular membrane half tone of S face coating configuration optimization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010934828.XA CN111923629A (en) | 2020-09-08 | 2020-09-08 | Macromolecular membrane half tone of S face coating configuration optimization |
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| Publication Number | Publication Date |
|---|---|
| CN111923629A true CN111923629A (en) | 2020-11-13 |
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| CN202010934828.XA Pending CN111923629A (en) | 2020-09-08 | 2020-09-08 | Macromolecular membrane half tone of S face coating configuration optimization |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622405A (en) * | 2021-01-19 | 2021-04-09 | 仓和精密制造(苏州)有限公司 | Preparation method of screen printing plate |
| CN113594293A (en) * | 2021-07-02 | 2021-11-02 | 深圳纳弘熠岦光学科技有限公司 | Solar cell electrode manufacturing method and solar cell |
| CN114393912A (en) * | 2021-11-03 | 2022-04-26 | 浙江硕克科技有限公司 | Novel composite construction half tone |
| CN114590020A (en) * | 2022-03-17 | 2022-06-07 | 安徽华晟新能源科技有限公司 | Screen printing screen and manufacturing method thereof |
| KR102424465B1 (en) * | 2021-08-20 | 2022-07-25 | 주식회사 세영디앤씨 | Plate making for printing electrode of solar cell and manufacturing method thereof |
| CN115946438A (en) * | 2023-02-13 | 2023-04-11 | 英利能源发展(保定)有限公司 | Solar cell printing screen and printing method of solar cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112622405A (en) * | 2021-01-19 | 2021-04-09 | 仓和精密制造(苏州)有限公司 | Preparation method of screen printing plate |
| CN113594293A (en) * | 2021-07-02 | 2021-11-02 | 深圳纳弘熠岦光学科技有限公司 | Solar cell electrode manufacturing method and solar cell |
| KR102424465B1 (en) * | 2021-08-20 | 2022-07-25 | 주식회사 세영디앤씨 | Plate making for printing electrode of solar cell and manufacturing method thereof |
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| CN115946438A (en) * | 2023-02-13 | 2023-04-11 | 英利能源发展(保定)有限公司 | Solar cell printing screen and printing method of solar cell |
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