CN109435443B - Solar cell electroplating pattern screen printing plate and electroplating pattern manufacturing method thereof - Google Patents
Solar cell electroplating pattern screen printing plate and electroplating pattern manufacturing method thereof Download PDFInfo
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- CN109435443B CN109435443B CN201811550271.9A CN201811550271A CN109435443B CN 109435443 B CN109435443 B CN 109435443B CN 201811550271 A CN201811550271 A CN 201811550271A CN 109435443 B CN109435443 B CN 109435443B
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- 238000009713 electroplating Methods 0.000 title claims abstract description 56
- 238000007650 screen-printing Methods 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000007639 printing Methods 0.000 claims abstract description 49
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 34
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 29
- 229920000728 polyester Polymers 0.000 claims abstract description 24
- 238000007790 scraping Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000010935 stainless steel Substances 0.000 claims abstract description 15
- 239000004831 Hot glue Substances 0.000 claims abstract description 5
- 238000007747 plating Methods 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 230000001681 protective effect Effects 0.000 claims description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 15
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 11
- 238000005554 pickling Methods 0.000 claims description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 9
- 238000005238 degreasing Methods 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 claims description 4
- 238000005237 degreasing agent Methods 0.000 claims description 4
- 239000013527 degreasing agent Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000002103 nanocoating Substances 0.000 claims description 4
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000007086 side reaction Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910021419 crystalline silicon Inorganic materials 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012954 diazonium Substances 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-O diazynium Chemical compound [NH+]#N IJGRMHOSHXDMSA-UHFFFAOYSA-O 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
- B41F15/36—Screens, Frames; Holders therefor flat
-
- 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
- B41C1/142—Forme preparation for stencil-printing or silk-screen printing using a galvanic or electroless metal deposition processing step
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2200/00—Printing processes
- B41P2200/40—Screen printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/10—Screen printing machines characterised by their constructional features
- B41P2215/12—Screens
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Textile Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a solar cell electroplating pattern screen plate, which comprises a screen frame and a polyester screen, wherein the polyester screen is stretched on the screen frame, a screen printing hole is formed in the center of the polyester screen, a stainless steel screen is covered on the screen printing hole, the joint between the stainless steel screen and the polyester screen is formed by adopting hot melt adhesive, an electroplated layer is arranged on the stainless steel screen, the surface of the electroplated layer is an electroplated nickel layer, a plurality of wire grooves are formed in the electroplated layer, the wire grooves form a printing pattern, and the stainless steel screen is provided with a printing surface and an ink scraping surface. The invention also discloses a method for manufacturing the electroplating pattern of the solar cell electroplating pattern screen. The manufacturing method disclosed by the invention is simple in manufacturing flow, low in dependence on operators, capable of avoiding unstable products caused by human factors, improving the yield of the screen, reducing the production cost, smooth in surface, ultrahigh in resolution, ultrahigh in ink permeability and high in wear resistance, and greatly improving the service life of the screen.
Description
Technical Field
The invention relates to the technical field of screen printing of solar cells, in particular to a screen printing plate of an electroplating pattern of a solar cell and a manufacturing method of the electroplating pattern of the solar cell.
Background
The existing solar crystalline silicon battery piece printing screen plate adopts diazonium type photosensitive materials for all pattern parts, the chemical molecular structure of the photosensitive materials is changed by ultraviolet irradiation parts in the exposure process through ultraviolet exposure and development, the water-solubility is not possessed any more, the film negative film shielding parts are not irradiated by ultraviolet rays, the material has super strong water solubility, and the exposed screen plate forms a 'yin-yang pattern' after being washed by water to form a pattern, so that the printing effect is achieved. However, the existing screen printing plate for crystalline silicon solar cell printing has complex and numerous plate making process flow, very strict requirements on the cleanliness, temperature and humidity of the environment in the plate making process, the yield is less than 50%, the manufacturing cost of the screen printing plate is extremely high, the manufactured screen printing plate has low wear resistance and the service life is low.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide the solar cell electroplating pattern screen printing plate and the electroplating pattern manufacturing method thereof, which have the advantages of simple manufacturing flow, lower dependence on operators, avoidance of unstable products caused by human factors, improvement of the yield of the screen printing plate, reduction of the production cost, smooth surface of the manufactured screen printing plate, ultrahigh resolution, ultrahigh ink permeability, high wear resistance and great improvement of the service life of the screen printing plate.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme: the utility model provides a solar wafer electroplate figure half tone, including screen frame and polyester silk screen, this polyester silk screen stretches tight to be established on the screen frame, polyester silk screen is the shape of returning, the center department of polyester silk screen is equipped with the silk screen hole, this silk screen hole is covered with a stainless steel wire net, the junction between this stainless steel wire net and the polyester silk screen adopts the hot melt adhesive to glue and forms, be equipped with the plating layer on the stainless steel wire net, the surface of this plating layer is the electroplated nickel layer, be equipped with a plurality of wire casing on the plating layer, the printing figure is constituteed to the wire casing, the stainless steel wire net has the printing face that contacts with the stock and the scraping ink face that contacts with the scraper blade.
As a preferred embodiment of the present invention, the plating layer is further coated with a nano-coating.
The invention also provides a method for manufacturing the electroplating pattern of the solar cell electroplating pattern screen, which comprises the following steps:
(1) Cleaning a screen printing plate for printing solar cell sheets without patterns by using normal-temperature clear water, then stretching the screen printing plate, degreasing the screen printing plate by using a screen degreasing agent, and drying the screen printing plate;
(2) Manufacturing an ink scraping surface insulating protective film layer of the screen, and manufacturing a printing surface insulating protective film layer according to the width of the wire grooves on the screen;
(3) The stainless steel wire mesh part of the screen plate is electrified with high voltage;
(4) Electroplating pretreatment is carried out on the screen printing plate, and the pretreatment process comprises the following steps: acid degreasing, two flowing cold water countercurrent rinsing, attaching a manufactured ink scraping surface insulating protective film layer on the ink scraping surface of the screen, attaching a manufactured printing surface insulating protective film layer on the printing surface of the screen according to the layout of the wire slots, microetching, two flowing cold water countercurrent rinsing, and pickling;
(5) Electroplating the screen plate to form an electroplating printing pattern, wherein the electroplating process comprises the following steps: tinning the screen printing plate, carrying out two-flow cold water countercurrent rinsing, pickling, carrying out graphic copper electroplating, carrying out two-flow cold water countercurrent rinsing, carrying out nickel plating, carrying out water washing, carrying out citric acid soaking, carrying out pure water washing, removing an ink scraping surface insulating protective film layer and a printing surface insulating protective film layer, and drying.
As a preferred embodiment of the present invention, in step (5), after the pure water cleaning, a nano sol film is coated on the plating layer before the wiping surface insulating protective film layer and the printing surface insulating protective film layer are removed, and then drying is performed.
Further, during nickel plating, the cathode in the electroplating device is a screen plate, and the anode is a pure nickel plate.
Further, in the step (4), the microetching agent used for microetching is sodium persulfate.
Further, in step (5), the plating solution is heated by a heating pipe during the tin plating, copper plating and nickel plating.
The beneficial effects of the invention are as follows: compared with the traditional mode, the method omits links such as coating, printing, developing and the like, has simple manufacturing flow, lower dependence on operators, avoids unstable products caused by human factors, improves the yield of the screen, greatly saves manpower and material resources, reduces the production cost, and has smooth surface, ultrahigh resolution, ultrahigh ink permeability and high wear resistance and greatly prolongs the service life of the screen.
Drawings
Fig. 1 is a schematic structural view of a solar cell plate electroplating graphic screen.
Fig. 2 is a schematic view of a portion of a wire chase of the stainless steel wire mesh of fig. 1.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Example 1
As shown in fig. 1 and 2, a solar cell electroplating pattern screen plate comprises a screen frame 1 and a polyester screen 2, wherein the polyester screen 2 is stretched on the screen frame 1, the polyester screen 2 is in a shape like a Chinese character 'hui', a screen printing hole is formed in the center of the polyester screen 2, a stainless steel screen 3 is covered on the screen printing hole, a joint between the stainless steel screen 3 and the polyester screen 2 is formed by bonding with hot melt adhesive, an electroplated layer is arranged on the stainless steel screen 3, the surface of the electroplated layer is an electroplated nickel layer, a plurality of wire grooves 31 are formed in the electroplated layer, the wire grooves 31 form a printing pattern, and the stainless steel screen 3 is provided with a printing surface contacted with a printing object and a scraping surface contacted with a scraping plate. Wherein, the electroplated layer also comprises an electroplated tin layer and an electroplated copper layer, the electroplated copper layer is positioned below the electroplated nickel layer, and the electroplated tin layer is positioned below the electroplated copper layer.
The method for manufacturing the electroplating pattern of the solar cell piece electroplating pattern screen plate comprises the following steps:
(1) Cleaning a screen printing plate for printing solar cell sheets without patterns by using normal-temperature clear water, then stretching the screen printing plate, degreasing the screen printing plate by using a screen degreasing agent, and drying the screen printing plate;
(2) Manufacturing an ink scraping surface insulating protective film layer of the screen, and manufacturing a printing surface insulating protective film layer according to the width of the wire grooves on the screen;
(3) The stainless steel wire mesh part of the screen plate is electrified with high voltage, so that the conductivity of the stainless steel wire is enhanced;
(4) Electroplating pretreatment is carried out on the screen printing plate, and the pretreatment process comprises the following steps: acid degreasing, two flowing cold water countercurrent rinsing, attaching a manufactured ink scraping surface insulating protective film layer on the ink scraping surface of the screen, attaching a manufactured printing surface insulating protective film layer on the printing surface of the screen according to the layout of the wire grooves, microetching, two flowing cold water countercurrent rinsing, pickling, wherein the ink scraping surface insulating protective film layer can protect the whole ink scraping surface of the screen from electroplating, the printing surface insulating protective film layer can protect the wire groove part of the printing surface of the screen from electroplating, and other parts of the printing surface insulating protective film layer can be electroplated, and the wire groove part without electroplating forms a printing pattern;
(5) Electroplating the screen plate to form an electroplating printing pattern, wherein the electroplating process comprises the following steps: tinning the screen printing plate, carrying out two-pass flowing cold water countercurrent rinsing, pickling, carrying out graphic copper electroplating, carrying out two-pass flowing cold water countercurrent rinsing, carrying out nickel plating, carrying out secondary water washing, carrying out citric acid pickling, carrying out 2-3-level pure water washing, removing an insulating protective film layer of a wiping surface and an insulating protective film layer of a printing surface, and drying.
Wherein, during nickel plating, the negative pole in the electroplating device is stainless steel screen plate, and the positive pole is pure nickel plate, takes place following reaction at negative pole respectively:
cathode (screen): ni (Ni) 2+ +2e→Ni (Main reaction)
2H + +2e→H 2 ∈ (side reaction)
Anode (nickel plate): ni-2 e- & gtNi 2+ (Main reaction)
4OH ﹣ －4e→2H 2 O+O 2 (side reaction)
Further, in the step (4), the microetching agent used for microetching is sodium persulfate.
Further, in step (5), the plating solution is heated by a heating pipe during the tin plating, copper plating and nickel plating.
Example two
The utility model provides a solar wafer electroplate figure half tone, including screen frame 1 and polyester silk screen 2, this polyester silk screen 2 stretches tight to be established on screen frame 1, polyester silk screen 2 is the back font, the center department of polyester silk screen 2 is equipped with the silk screen hole, this silk screen hole is covered with a stainless steel wire net 3, the junction between this stainless steel wire net 3 and the polyester silk screen 2 adopts the hot melt adhesive to form, be equipped with the plating layer on the stainless steel wire net 3, the surface of this plating layer is the electro-plating nickel layer, still coat on the plating layer has the nano coating, be equipped with a plurality of wire grooves 31 on the plating layer, the printing figure is constituteed to wire groove 31, stainless steel wire net 3 has the printing face that contacts with the stock and scrapes the ink face that contacts with the scraper blade. Wherein, the electroplated layer also comprises an electroplated tin layer and an electroplated copper layer, the electroplated copper layer is positioned below the electroplated nickel layer, and the electroplated tin layer is positioned below the electroplated copper layer.
The method for manufacturing the electroplating pattern of the solar cell piece electroplating pattern screen plate comprises the following steps:
(1) Cleaning a screen printing plate for printing solar cell sheets without patterns by using normal-temperature clear water, then stretching the screen printing plate, degreasing the screen printing plate by using a screen degreasing agent, and drying the screen printing plate;
(2) Manufacturing an ink scraping surface insulating protective film layer of the screen, and manufacturing a printing surface insulating protective film layer according to the width of the wire grooves on the screen;
(3) The stainless steel wire mesh part of the screen plate is electrified with high voltage, so that the conductivity of the stainless steel wire is enhanced;
(4) Electroplating pretreatment is carried out on the screen printing plate, and the pretreatment process comprises the following steps: acid degreasing, two flowing cold water countercurrent rinsing, attaching a manufactured ink scraping surface insulating protective film layer on the ink scraping surface of the screen, attaching a manufactured printing surface insulating protective film layer on the printing surface of the screen according to the layout of the wire slots, microetching, two flowing cold water countercurrent rinsing, and pickling;
(5) Electroplating the screen plate to form an electroplating printing pattern, wherein the electroplating process comprises the following steps: tinning a screen printing plate, carrying out two-pass flowing cold water countercurrent rinsing, pickling, carrying out graphic copper electroplating, carrying out two-pass flowing cold water countercurrent rinsing, carrying out nickel plating, carrying out secondary water washing, carrying out citric acid soaking, carrying out 2-3-level pure water washing, coating a nano sol film on an electroplated layer, removing an ink scraping surface insulation protective film layer and a printing surface insulation protective film layer, and drying. And (5) drying to form a layer of nano coating.
Wherein, during nickel plating, the negative pole in the electroplating device is stainless steel screen plate, and the positive pole is pure nickel plate, takes place following reaction at negative pole respectively:
cathode (screen): ni (Ni) 2+ +2e→Ni (Main reaction)
2H + +2e→H 2 ∈ (side reaction)
Anode (nickel plate): ni-2 e- & gtNi 2+ (Main reaction)
4OH ﹣ －4e→2H 2 O+O 2 (side reaction)
Further, in the step (4), the microetching agent used for microetching is sodium persulfate.
Further, in step (5), the plating solution is heated by a heating pipe during the tin plating, copper plating and nickel plating.
For both examples, the purpose and effect of acid degreasing in the pre-plating process: and removing oxides on the surface of the screen plate, and ensuring the binding force between the stainless steel screen and the electroplated layer. The purpose of microetching is to clean the screen. The purpose of pickling is to remove oxides and prevent moisture from being carried over and causing instability of the sulfuric acid content in the plating solution. The tin plating is performed to form a resist layer. And the pattern is electroplated with copper to form an electroplated copper layer with a certain thickness, so that the conductivity in the electroplating process is enhanced, and the electroplated nickel is easier and has better binding force.
The invention directly electroplates the surface of the stainless steel wire mesh with high mesh number and high thin line ratio to manufacture the solar cell printing pattern, and the metal plating layer is used for replacing the existing photosensitive emulsion, so that the pattern can be generated by directly electroplating. According to the invention, nickel metal is electroplated on the stainless steel wire mesh, so that the elasticity of the stainless steel wire mesh and the smoothness of the nickel metal surface are perfectly combined, the elasticity of the stainless steel wire mesh can buffer the scraper pressure in the printing process, the surface smoothness of nickel element enables the surface of the manufactured screen to be smooth, the screen has ultrahigh resolution, ultrahigh ink permeability and high wear resistance, and the service life of the screen is greatly prolonged. In addition, after electroplating, a nano material coating is added on the surface of the screen plate, so that the surface of the screen plate has the characteristics of hydrophobicity, oleophobicity and solvent resistance, and is smoother. Compared with the existing screen printing plate using the emulsion, the screen printing plate manufactured by the invention has high stripping property with sizing agent when the solar cell is printed, does not need to be frequently wiped like the traditional screen printing plate, and reduces the workload of printing line operators and the defects caused by wiping the screen printing plate.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (4)
1. The method for manufacturing the electroplating pattern of the solar cell electroplating pattern screen plate comprises a screen frame and a polyester screen, wherein the polyester screen is stretched on the screen frame, the polyester screen is in a shape like a Chinese character 'Hui', a screen printing hole is formed in the center of the polyester screen, a stainless steel screen is covered on the screen printing hole, a joint between the stainless steel screen and the polyester screen is formed by bonding with hot melt adhesive, an electroplating layer is arranged on the stainless steel screen, the surface of the electroplating layer is an electroplating nickel layer, a plurality of wire grooves are formed in the electroplating layer, the wire grooves form a printing pattern, the stainless steel screen is provided with a printing surface in contact with a printing object and a scraping surface in contact with a scraping plate, and a nano coating is further coated on the electroplating layer; the method for manufacturing the electroplated pattern is characterized by comprising the following steps of:
(1) Cleaning a screen printing plate for printing solar cell sheets without patterns by using normal-temperature clear water, then stretching the screen printing plate, degreasing the screen printing plate by using a screen degreasing agent, and drying the screen printing plate;
(2) Manufacturing an ink scraping surface insulating protective film layer of the screen, and manufacturing a printing surface insulating protective film layer according to the width of the wire grooves on the screen;
(3) The stainless steel wire mesh part of the screen plate is electrified with high voltage;
(4) Electroplating pretreatment is carried out on the screen printing plate, and the pretreatment process comprises the following steps: acid degreasing, two flowing cold water countercurrent rinsing, attaching a manufactured ink scraping surface insulating protective film layer on the ink scraping surface of the screen, attaching a manufactured printing surface insulating protective film layer on the printing surface of the screen according to the layout of the wire slots, microetching, two flowing cold water countercurrent rinsing, and pickling;
(5) Electroplating the screen plate to form an electroplating printing pattern, wherein the electroplating process comprises the following steps: tinning a screen printing plate, carrying out two-pass flowing cold water countercurrent rinsing, pickling, carrying out graphic copper electroplating, carrying out two-pass flowing cold water countercurrent rinsing, carrying out nickel plating, carrying out water washing, carrying out citric acid soaking, carrying out pure water washing, removing an ink scraping surface insulating protective film layer and a printing surface insulating protective film layer, and drying;
in the step (5), after the pure water is cleaned, a layer of nano sol film is coated on the electroplated layer before the scraping surface insulating protective film layer and the printing surface insulating protective film layer are removed, and then drying is carried out.
2. The method for manufacturing a screen plate of a solar cell plating pattern according to claim 1, wherein the cathode is a screen plate and the anode is a pure nickel plate during nickel plating.
3. The method for producing a screen printing plate of a solar cell according to claim 1, wherein in the step (4), the microetching agent used for microetching is sodium persulfate.
4. The method for producing a screen printing plate of a solar cell panel according to claim 1, wherein in step (5), the plating solution is heated by a heating pipe during the tin plating, copper plating and nickel plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811550271.9A CN109435443B (en) | 2018-12-18 | 2018-12-18 | Solar cell electroplating pattern screen printing plate and electroplating pattern manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811550271.9A CN109435443B (en) | 2018-12-18 | 2018-12-18 | Solar cell electroplating pattern screen printing plate and electroplating pattern manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109435443A CN109435443A (en) | 2019-03-08 |
| CN109435443B true CN109435443B (en) | 2024-03-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109878197B (en) * | 2019-03-15 | 2020-11-03 | 河南理工大学 | Preparation method of metal printing template |
| CN109968798A (en) * | 2019-05-07 | 2019-07-05 | 昆山良品丝印器材有限公司 | A kind of high strike through solar energy crystal silicon cell printing screen plate and its manufacture craft |
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