CN110884243A - Method for manufacturing non-mesh-junction printing screen on solar cell SE (selective emitter) process - Google Patents
Method for manufacturing non-mesh-junction printing screen on solar cell SE (selective emitter) process Download PDFInfo
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- CN110884243A CN110884243A CN201911100415.5A CN201911100415A CN110884243A CN 110884243 A CN110884243 A CN 110884243A CN 201911100415 A CN201911100415 A CN 201911100415A CN 110884243 A CN110884243 A CN 110884243A
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 238000007639 printing Methods 0.000 title claims abstract description 33
- 238000007650 screen-printing Methods 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000005238 degreasing Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- -1 drying Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Classifications
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- 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
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- 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
- B41N1/24—Stencils; Stencil materials; Carriers therefor
- B41N1/247—Meshes, gauzes, woven or similar screen materials; Preparation thereof, e.g. by plasma treatment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Plasma & Fusion (AREA)
- Textile Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
The invention discloses a method for manufacturing a non-mesh-knot printing screen on a solar cell SE (selective emitter) process, which comprises the following steps of: manufacturing a conventional non-mesh-knot screen printing plate, and manufacturing the conventional non-mesh-knot screen printing plate through a non-mesh-knot screen printing plate manufacturing process flow, wherein the conventional non-mesh-knot screen printing plate comprises a steel wire mesh, grid lines and meshes, and the steel wire mesh comprises warps and wefts which form the conventional non-mesh-knot screen printing plate; and step two, manufacturing a non-net knot printing screen plate on the SE process, observing the conventional non-net knot screen plate manufactured in the step one under a microscope or a two-dimensional microscope, and eliminating net knots existing on the screen plate by using a laser through a laser graph to obtain the non-net knot printing screen plate applied to the SE process. The non-mesh-knot printing screen plate used for the SE process, which is processed and manufactured by the invention, has no problems of broken grid virtual printing and the like during printing, so that the screen printing quality of the solar cell is improved, and the conversion efficiency of the solar cell is improved.
Description
Technical Field
The invention relates to the technical field of solar cell production tools, in particular to a method for manufacturing a non-mesh-knot printing screen on a solar cell SE (selective emitter) process.
Background
At present, only a conventional screen printing plate with a net knot can be used in the SE process in the market, the printing quality of the conventional screen printing plate is poor, the height-width ratio of a printing line is low, and finally poor printing is formed, so that the efficiency of a solar cell is reduced.
Although the non-mesh screen has excellent performance, the non-mesh screen is used for SE battery printing and has the following problems: the printing grid line has the net knot department that one or more thin grid lines are located the half tone, leads to thin grid line printing quality poor or unable normal printing when printing, leads to the contact of battery piece too poor, and conversion efficiency is poor.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a method for manufacturing a non-mesh-junction printing screen on a solar cell SE process, which aims to improve the screen printing quality of a solar cell and improve the conversion efficiency of the solar cell.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for manufacturing a non-mesh-junction printing screen on a solar cell SE process comprises the following steps:
manufacturing a conventional non-mesh-knot screen printing plate, and manufacturing the conventional non-mesh-knot screen printing plate through a non-mesh-knot screen printing plate manufacturing process flow, wherein the conventional non-mesh-knot screen printing plate comprises a steel wire mesh, grid lines and meshes, and the steel wire mesh comprises warps and wefts which form the conventional non-mesh-knot screen printing plate;
and step two, manufacturing a non-net knot printing screen plate on the SE process, observing the conventional non-net knot screen plate manufactured in the step one under a microscope or a two-dimensional microscope, and eliminating net knots existing on the screen plate by using a laser through a laser graph to obtain the non-net knot printing screen plate applied to the SE process.
Preferably, the manufacturing process flow of the non-net-knot screen printing plate in the first step comprises screen stretching, screen sticking, standing, degreasing, washing, film preparation, film sticking, drying, photosensitive adhesive coating, drying, film uncovering, film sticking and exposure.
Preferably, the net knots are formed by crossing grid lines with warps and wefts.
Preferably, the laser patterns are circular or square, and adjacent patterns may be tangent, separated or intersecting.
Preferably, the laser is a picosecond laser.
Preferably, the mesh determines the width and height of the printed lines.
The invention has the beneficial effects that:
excellent performance based on the screen without mesh knots: the designed line width of the screen printing plate without the screen junction is lower than that of the traditional screen printing plate, the sintered line width after printing is about 20 percent lower than that of the traditional screen printing plate, the height is improved by about 15 percent, and the height-width ratio is improved by about 25 percent; the fine grid lines have no net knots, the flatness and the line type of the printed lines are better, and the problems of broken grid virtual printing and the like are effectively solved; through the height-width ratio improvement and the linear optimization, the short-circuit current of the battery plate is greatly improved (more than 30 milliamperes); the conversion efficiency of the cell printed by the screen printing plate without the screen knots is improved by about 0.1 percent compared with that of the traditional screen printing plate, and further, the manufactured screen printing plate is placed under a microscope or a quadratic element microscope for observation, if the screen knots formed by the crossing of the warp and the weft exist at the grid lines of the screen printing plate, one or more screen knots at the warp are eliminated by using laser, and after treatment, the part does not have the problems of broken grid virtual printing and the like during printing.
Drawings
Fig. 1 is a schematic structural diagram of a conventional screen printing plate without screen knots for a method for manufacturing a screen printing plate without screen knots on a solar cell SE process according to the present invention;
fig. 2 is a schematic diagram illustrating a method for manufacturing a non-mesh knot printing screen in a SE process of a solar cell according to the present invention.
In the figure: 1 steel wire mesh, 2 grid lines, 3 meshes and 4 laser patterns.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a method for manufacturing a non-mesh printing screen on a solar cell SE process includes the following steps:
manufacturing a conventional non-mesh screen printing plate, and manufacturing the conventional non-mesh screen printing plate through a non-mesh screen printing plate manufacturing process flow, wherein the conventional non-mesh screen printing plate comprises a steel wire mesh 1, grid lines 2 and meshes 3, and the steel wire mesh 1 comprises warps and wefts forming the conventional non-mesh screen printing plate;
and step two, manufacturing a non-net knot printing screen plate on the SE process, observing the conventional non-net knot screen plate manufactured in the step one under a microscope or a two-dimensional microscope, and eliminating net knots existing on the screen plate by using a laser through a laser graph 4 to obtain the non-net knot printing screen plate applied to the SE process.
In the invention, the process flow of the screen printing plate without the net knots in the step one comprises the steps of stretching the net, sticking the net, standing, degreasing, washing, preparing a film, sticking the film, drying, applying a photosensitive adhesive, drying, uncovering the film, sticking a negative plate and exposing, and a required pattern is formed on the screen printing plate to manufacture the required screen printing plate without the net knots.
Specifically, the grid knots are formed by crossing the grid lines 2 with the warps and the wefts.
In particular, the laser patterns 4 are circular or square, and adjacent patterns may be tangent, separated or intersecting.
Specifically, the laser is a picosecond laser.
Specifically, the mesh 3 determines the width and height of the printed lines.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (6)
1. A method for manufacturing a non-mesh-junction printing screen on a solar cell SE process is characterized by comprising the following steps:
manufacturing a conventional non-mesh screen printing plate, and manufacturing the conventional non-mesh screen printing plate through a non-mesh screen printing plate manufacturing process flow, wherein the conventional non-mesh screen printing plate comprises a steel wire mesh (1), grid lines (2) and meshes (3), and the steel wire mesh 1 comprises warps and wefts which form the conventional non-mesh screen printing plate;
and step two, manufacturing a non-net knot printing screen plate on the SE process, observing the conventional non-net knot screen plate manufactured in the step one under a microscope or a two-dimensional microscope, and eliminating net knots existing on the screen plate by using a laser through a laser graph (4) to obtain the non-net knot printing screen plate applied to the SE process.
2. The method for manufacturing the non-mesh knot screen printing plate on the solar cell SE process according to claim 1, wherein the process flow of manufacturing the non-mesh knot screen printing plate in the first step comprises screen stretching, screen sticking, standing, degreasing, washing, film preparation, film sticking, drying, photosensitive adhesive applying, drying, film uncovering, film sticking and exposure.
3. The method for manufacturing the non-mesh knot printing screen in the solar cell SE process as claimed in claim 1, wherein the mesh knots are mesh knots formed by crossing grid lines (2) with warps and wefts.
4. The method for fabricating a knotless printing screen for the SE process of a solar cell according to claim 1, wherein the laser pattern (4) is circular or square and adjacent patterns may be tangent, separated or intersecting.
5. The method for manufacturing a knotless printing screen for the SE process of a solar cell according to claim 1, wherein said laser is a picosecond laser.
6. The method for manufacturing a knotless printing screen for the SE process of a solar cell according to claim 1, wherein the mesh (3) determines the width and height of the printed lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911100415.5A CN110884243A (en) | 2019-11-12 | 2019-11-12 | Method for manufacturing non-mesh-junction printing screen on solar cell SE (selective emitter) process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911100415.5A CN110884243A (en) | 2019-11-12 | 2019-11-12 | Method for manufacturing non-mesh-junction printing screen on solar cell SE (selective emitter) process |
Publications (1)
| Publication Number | Publication Date |
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| CN110884243A true CN110884243A (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911100415.5A Pending CN110884243A (en) | 2019-11-12 | 2019-11-12 | Method for manufacturing non-mesh-junction printing screen on solar cell SE (selective emitter) process |
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| Country | Link |
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| CN (1) | CN110884243A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111522202A (en) * | 2020-05-22 | 2020-08-11 | 常州亚龙电子科技有限公司 | Plate making process of non-net-knot inclined-net screen plate and screen plate thereof |
| CN111770640A (en) * | 2020-07-09 | 2020-10-13 | 昆山乐邦印刷器材设备有限公司 | Etching and silk removing method for SE (selective emitter) non-mesh screen visual inspection |
| CN111993757A (en) * | 2020-09-04 | 2020-11-27 | 仓和精密制造(苏州)有限公司 | Preparation method of screen printing plate without net knots |
| CN112455062A (en) * | 2020-11-13 | 2021-03-09 | 上海新倬壮印刷科技有限公司 | Mesh cloth processing method suitable for SE (net knot free) |
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| FR1141599A (en) * | 1956-01-20 | 1957-09-04 | Improvements to devices for printing fabrics, papers and the like | |
| CN101698367A (en) * | 2009-09-27 | 2010-04-28 | 天津市中环高科技有限公司 | Manufacturing method of screen used for screen printing of special-shaped surfaces |
| CN102950872A (en) * | 2012-10-19 | 2013-03-06 | 深圳劲嘉彩印集团股份有限公司 | Manufacturing equipment and manufacturing method of printing plate in screen printing |
| CN107731938A (en) * | 2017-09-01 | 2018-02-23 | 昆山恒盛电子有限公司 | For printing solar cell electrode parallel angle half tone is tied without net |
| CN207291239U (en) * | 2017-09-05 | 2018-05-01 | 昆山良品丝印器材有限公司 | The solar energy crystalline silicon printing film and without net knot version |
| CN109094177A (en) * | 2018-08-14 | 2018-12-28 | 江西鸿格科技有限公司 | A kind of mask-making technology without net knot printing screen plate |
| CN208993252U (en) * | 2018-09-30 | 2019-06-18 | 张娜娜 | Screen cloth and screen printing screens |
| CN109940974A (en) * | 2019-05-07 | 2019-06-28 | 昆山良品丝印器材有限公司 | A kind of production method without net netting version of suitable SE solar battery sheet printing |
| CN110202915A (en) * | 2019-07-09 | 2019-09-06 | 上海新倬壮印刷科技有限公司 | For making solar battery sheet screen printing screens technique |
| CN110356096A (en) * | 2019-08-28 | 2019-10-22 | 江苏盛矽电子科技有限公司 | A kind of novel weaved formula ties manufacturing method of screen without net |
-
2019
- 2019-11-12 CN CN201911100415.5A patent/CN110884243A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1141599A (en) * | 1956-01-20 | 1957-09-04 | Improvements to devices for printing fabrics, papers and the like | |
| CN101698367A (en) * | 2009-09-27 | 2010-04-28 | 天津市中环高科技有限公司 | Manufacturing method of screen used for screen printing of special-shaped surfaces |
| CN102950872A (en) * | 2012-10-19 | 2013-03-06 | 深圳劲嘉彩印集团股份有限公司 | Manufacturing equipment and manufacturing method of printing plate in screen printing |
| CN107731938A (en) * | 2017-09-01 | 2018-02-23 | 昆山恒盛电子有限公司 | For printing solar cell electrode parallel angle half tone is tied without net |
| CN207291239U (en) * | 2017-09-05 | 2018-05-01 | 昆山良品丝印器材有限公司 | The solar energy crystalline silicon printing film and without net knot version |
| CN109094177A (en) * | 2018-08-14 | 2018-12-28 | 江西鸿格科技有限公司 | A kind of mask-making technology without net knot printing screen plate |
| CN208993252U (en) * | 2018-09-30 | 2019-06-18 | 张娜娜 | Screen cloth and screen printing screens |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111522202A (en) * | 2020-05-22 | 2020-08-11 | 常州亚龙电子科技有限公司 | Plate making process of non-net-knot inclined-net screen plate and screen plate thereof |
| CN111770640A (en) * | 2020-07-09 | 2020-10-13 | 昆山乐邦印刷器材设备有限公司 | Etching and silk removing method for SE (selective emitter) non-mesh screen visual inspection |
| CN111993757A (en) * | 2020-09-04 | 2020-11-27 | 仓和精密制造(苏州)有限公司 | Preparation method of screen printing plate without net knots |
| CN112455062A (en) * | 2020-11-13 | 2021-03-09 | 上海新倬壮印刷科技有限公司 | Mesh cloth processing method suitable for SE (net knot free) |
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Application publication date: 20200317 |
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