CN110880377B - Special carrier for front silver paste for step-by-step printing of thin lines and preparation method - Google Patents
Special carrier for front silver paste for step-by-step printing of thin lines and preparation method Download PDFInfo
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- CN110880377B CN110880377B CN201911064517.6A CN201911064517A CN110880377B CN 110880377 B CN110880377 B CN 110880377B CN 201911064517 A CN201911064517 A CN 201911064517A CN 110880377 B CN110880377 B CN 110880377B
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- 238000007639 printing Methods 0.000 title claims abstract description 29
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 20
- 239000004332 silver Substances 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims description 58
- 238000010008 shearing Methods 0.000 claims description 29
- 229910001220 stainless steel Inorganic materials 0.000 claims description 20
- 239000010935 stainless steel Substances 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 20
- 239000002994 raw material Substances 0.000 claims description 18
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 11
- 238000005303 weighing Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 9
- LAVARTIQQDZFNT-UHFFFAOYSA-N 1-(1-methoxypropan-2-yloxy)propan-2-yl acetate Chemical compound COCC(C)OCC(C)OC(C)=O LAVARTIQQDZFNT-UHFFFAOYSA-N 0.000 claims description 7
- RWNUSVWFHDHRCJ-UHFFFAOYSA-N 1-butoxypropan-2-ol Chemical compound CCCCOCC(C)O RWNUSVWFHDHRCJ-UHFFFAOYSA-N 0.000 claims description 7
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical compound CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 claims description 7
- CRWNQZTZTZWPOF-UHFFFAOYSA-N 2-methyl-4-phenylpyridine Chemical compound C1=NC(C)=CC(C=2C=CC=CC=2)=C1 CRWNQZTZTZWPOF-UHFFFAOYSA-N 0.000 claims description 7
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 7
- 239000001856 Ethyl cellulose Substances 0.000 claims description 7
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 7
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 7
- 229920001249 ethyl cellulose Polymers 0.000 claims description 7
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 7
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 2
- 238000011049 filling Methods 0.000 abstract description 2
- 229910052710 silicon Inorganic materials 0.000 abstract description 2
- 239000010703 silicon Substances 0.000 abstract description 2
- 238000005245 sintering Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- 239000000969 carrier Substances 0.000 abstract 1
- 239000012050 conventional carrier Substances 0.000 abstract 1
- 239000012776 electronic material Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- 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
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to the technical field of electronic materials, and discloses a special carrier for front silver paste for step-by-step printing of thin lines, which consists of two organic carriers and is a binary mixed carrier. The conventional carrier can not meet the requirement of step-by-step printing on the first layer film, and the special carrier for the front silver paste for step-by-step printing of the fine line is prepared, namely the strength, connectivity and grabbing force of the first layer film to a silicon substrate in step-by-step printing can be met. The front silver paste prepared by the method can reduce unit consumption, has good line shape after sintering, and has higher filling factor and high photoelectric conversion efficiency. The invention also discloses a preparation method of the special carrier.
Description
Technical Field
The invention belongs to the technical field of solar cell front side paste, and relates to a binary organic carrier, in particular to a special carrier for front side silver paste for step-by-step fine line printing and a preparation method thereof.
Background
With the increasing exhaustion of non-renewable resources such as petroleum and coal and the enhancement of environmental awareness of people, the development of new energy is more and more emphasized by people, and especially the development and utilization of solar energy become hot spots. And the front silver paste plays a crucial role in the solar cell. With the increasingly wide application of the market to the crystalline silicon solar cell, the requirement on the photoelectric conversion efficiency of the solar cell is higher and higher, and meanwhile, the higher requirement on the printing performance of the front silver paste of the solar cell is also provided.
With the current industry trend of pursuing high efficiency and low cost, the screen printing technology has gradually shown its limitations. In the traditional screen printing, because of the influence of slurry rheological property and thixotropy, the printing height of the auxiliary grid is increased by sacrificing the width of the auxiliary grid; in addition, the limitation of the film thickness of the screen printing plate directly affects the ink passing amount of the printing paste, and the height of the paste after printing is limited, so that the requirement of single printing cannot be met. The step-by-step printing technology can break through the limitation of the traditional printing technology, the main grid and the auxiliary grid printed step by step are printed separately, the height of the auxiliary grid is effectively improved, and the height-to-width ratio after printing is effectively improved. The photoelectric conversion efficiency of the solar cell is improved without increasing the unit consumption of the slurry and influencing the printing property of the slurry, and the step-by-step printing has extremely high requirement on the adhesive force of a silicon substrate, so that the preparation of the organic carrier suitable for the front silver paste for step-by-step printing of thin lines is very important and urgent.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the special carrier for the front-side silver paste for step-by-step printing of the thin lines and the preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a special carrier for front silver paste for step-by-step printing of thin lines, which consists of an organic carrier V1 and an organic carrier V2, wherein:
the formula of the organic carrier V1 in the special carrier is as follows: 12% of Dow STD-4 ethyl cellulose, 3.5% of phenolic modified rosin resin, 85.6% of span, 45% of butyl carbitol acetate and 16% of dipropylene glycol methyl ether acetate, and preparing a finished carrier V1 according to the preparation process of the organic carrier;
weighing raw materials used by the organic carrier V1, placing the raw materials in a stainless steel heating kettle with a high-speed shearing stirring head, sealing the heating kettle, and starting the high-speed shearing stirring head in the stainless steel heating kettle to enable the shearing rate to be 1000 revolutions per minute; simultaneously starting a heating button, heating the organic mixture to 60 ℃ at a heating speed of 5 ℃/min, and keeping the temperature for 60-90 min;
the formula of the organic carrier V2 in the special carrier is as follows: PVB 2.4%, TDO 4.0%, diethylene glycol dibutyl ether 7.7%, propylene glycol butyl ether 2.2%, dibutyl phthalate 4.6%, and preparing a finished carrier V2 according to the preparation process of the organic carrier;
weighing raw materials used by the organic carrier V2, placing the raw materials in a stainless steel heating kettle with a high-speed shearing stirring head, sealing the heating kettle, and starting the high-speed shearing stirring head in the stainless steel heating kettle to enable the shearing rate to be 800 revolutions per minute; and simultaneously starting a heating button, heating the organic mixture to 65-70 ℃ at a heating speed of 5 ℃/min, and preserving the temperature for 45-60 min.
The invention provides a special carrier for front silver paste for step-by-step printing of thin lines, which consists of an organic carrier V1 and an organic carrier V2, wherein:
the formula of the organic carrier V1 in the special carrier is as follows: 10% of Dow STD-4 ethyl cellulose, 3.2% of phenolic modified rosin resin, 85.0% of span, 50% of butyl carbitol acetate and 14.8% of dipropylene glycol methyl ether acetate;
preparing a finished product carrier V1 according to the preparation process of the organic carrier;
weighing raw materials used by the organic carrier V1, placing the raw materials in a stainless steel heating kettle with a high-speed shearing stirring head, sealing the heating kettle, and starting the high-speed shearing stirring head in the stainless steel heating kettle to enable the shearing rate to be 1000 revolutions per minute; simultaneously starting a heating button, heating the organic mixture to 60 ℃ at a heating speed of 5 ℃/min, and keeping the temperature for 60-90 min;
the formula of the organic carrier V2 in the special carrier is as follows: 2.0% of PVB, 4.0% of TDO, 6.5% of diethylene glycol dibutyl ether, 2.5% of propylene glycol butyl ether and 5.0% of dibutyl phthalate, and preparing a finished carrier V2 according to the preparation process of the organic carrier;
weighing raw materials used by the organic carrier V2, placing the raw materials in a stainless steel heating kettle with a high-speed shearing stirring head, sealing the heating kettle, and starting the high-speed shearing stirring head in the stainless steel heating kettle to enable the shearing rate to be 800 revolutions per minute; and simultaneously starting a heating button, heating the organic mixture to 65-70 ℃ at a heating speed of 5 ℃/min, and preserving the temperature for 45-60 min.
The preparation method of the front silver paste for the step-by-step printing of the fine lines of the special carrier comprises the following specific steps: adding silver powder, glass powder and an additive in a certain ratio into a special carrier, uniformly mixing in a double-planet power mixer, and finally, mixing and grinding on a three-roller machine to obtain the slurry.
Compared with the prior art, the invention has the following beneficial effects:
and (3) comparing test results:
the line width is the width of an auxiliary grid which is tested by using a 3D (three-dimensional) topographer after the solar cell is printed and sintered; the high-width ratio of the electrode is measured by an optical microscope in combination with professional software; FF is the filling factor tested after printing and sintering of the solar cell.
The comparison result shows that the product adopting the technology not only solves the problem of line width, but also improves the adhesive force performance of the battery piece and the FF of the battery piece on the basis of solving the problem of complex preparation process of the carrier for front silver paste.
Detailed Description
The present invention is specifically illustrated in the following examples, which are illustrative and not limiting in any respect. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
The organic carrier V1 comprises the following components in percentage by weight: 5.0 to 20 percent of Dow STD-4 ethyl cellulose, 3.0 to 5.0 percent of phenolic modified rosin resin, 85.1 to 5.0 percent of span, 35 to 60 percent of butyl carbitol acetate and 5 to 20 percent of dipropylene glycol methyl ether acetate.
The preparation process of the organic carrier comprises the following steps:
1. weighing according to the formula range of the carrier, weighing raw materials used by the organic carrier and placing the raw materials in a stainless steel heating kettle with a high-speed shearing stirring head;
2. sealing the heating kettle, and starting a high-speed shearing stirring head in the stainless steel heating kettle to enable the shearing rate to be 1000 revolutions per minute; simultaneously starting a heating button, heating the organic mixture to 60 ℃ at a heating speed of 5 ℃/min, and keeping the temperature for 2h;
3. closing the high-speed shearing stirring head and the heating button, and placing the carrier for 24 hours to fully cool the carrier;
4. taking out the cooled carrier from the heating kettle, and performing negative pressure suction filtration on the carrier through a stainless steel screen of 1000 meshes;
5. sealing the filtered carrier, and storing at 25 + -5 deg.C and humidity of 40-60%.
The organic carrier V2 comprises the following components in percentage by mass: PVB 2-4%, TDO 2-5%, diethylene glycol dibutyl ether 5-15%, propylene glycol butyl ether 2-4%, dibutyl phthalate 2-10%.
The preparation process of the organic carrier comprises the following steps:
1. weighing according to the formula range of the carrier, weighing raw materials used by the organic carrier and placing the raw materials in a stainless steel heating kettle with a high-speed shearing stirring head;
2. sealing the heating kettle, and starting a high-speed shearing stirring head in the stainless steel heating kettle to enable the shearing rate to be 800 revolutions per minute; simultaneously starting a heating button, heating the organic mixture to 65-70 ℃ at a heating speed of 5 ℃/min, and keeping the temperature for 45-60 min;
3. closing the high-speed shearing stirring head and the heating button, and placing the carrier for 24 hours to fully cool the carrier;
4. taking out the cooled carrier from the heating kettle, and performing negative pressure suction filtration on the carrier through a stainless steel screen of 1000 meshes;
5. sealing the filtered carrier, and storing at 25 + -5 deg.C and humidity of 40-60%.
The special carrier comprises the following components in percentage by mass: 50-70% of organic carrier V1 and 30-50% of organic carrier V2.
Example 1
According to the formula range of the organic carrier V1, 12% of the Dow STD-4 ethyl cellulose, 3.5% of the phenolic modified rosin resin, 85.6% of span, 45% of butyl carbitol acetate and 16% of dipropylene glycol methyl ether acetate. The finished carrier V1 is prepared according to the preparation process of the organic carrier.
According to the formula range of the organic carrier V2, PVB 2.4%, TDO 4.0%, diethylene glycol dibutyl ether 7.7%, propylene glycol butyl ether 2.2%, and dibutyl phthalate 4.6% are used for preparing the finished carrier V2 according to the preparation process of the organic carrier.
Preparing the special carrier 1 for the front silver paste for superfine line step-by-step printing.
Then, 8.7% of the special carrier, 2.5% of glass powder, 87.8% of silver powder and 1% of silicone oil are printed, sintered and tested for terminal performance according to the application process of the slurry.
Example 2
According to the formula range of the organic carrier V1, 10% of the Dow STD-4 ethyl cellulose, 3.2% of the phenolic modified rosin resin, 85.0% of span, 50% of butyl carbitol acetate and 14.8% of dipropylene glycol methyl ether acetate. The finished carrier V1 is prepared according to the preparation process of the organic carrier.
According to the formula range of the organic carrier V2, PVB 2.0%, TDO 4.0%, diethylene glycol dibutyl ether 6.5%, propylene glycol butyl ether 2.5%, and dibutyl phthalate 5.0% are used for preparing the finished carrier V2 according to the preparation process of the organic carrier.
And preparing a special carrier 2 for the front silver paste for step-by-step printing of thin lines. Then, 8.7% of the special carrier, 2.5% of glass powder, 87.8% of silver powder and 1% of silicone oil are printed, sintered and tested for terminal performance according to the application process of the slurry.
Claims (2)
1. The utility model provides a special carrier of positive silver thick liquid for step-by-step printing fine rule which characterized in that this special carrier comprises organic carrier V1 and organic carrier V2, wherein:
the formula of the organic carrier V1 is as follows: 12% of Dow STD-4 ethyl cellulose, 3.5% of phenolic modified rosin resin, 85.6% of span, 45% of butyl carbitol acetate and 16% of dipropylene glycol methyl ether acetate, and preparing a finished carrier V1 according to the preparation process of the organic carrier;
weighing raw materials used by the organic carrier V1, placing the raw materials in a stainless steel heating kettle with a high-speed shearing stirring head, sealing the heating kettle, and starting the high-speed shearing stirring head in the stainless steel heating kettle to enable the shearing rate to be 1000 revolutions per minute; simultaneously starting a heating button, heating the organic mixture to 60 ℃ at a heating speed of 5 ℃/min, and keeping the temperature for 60-90min;
the formula of the organic carrier V2 is as follows: PVB 2.4%, TDO 4.0%, diethylene glycol dibutyl ether 7.7%, propylene glycol butyl ether 2.2%, dibutyl phthalate 4.6%, and preparing a finished carrier V2 according to the preparation process of the organic carrier;
weighing raw materials used by the organic carrier V2, placing the raw materials in a stainless steel heating kettle with a high-speed shearing stirring head, sealing the heating kettle, and starting the high-speed shearing stirring head in the stainless steel heating kettle to enable the shearing rate to be 800 revolutions per minute; simultaneously starting a heating button, heating the organic mixture to 65 to 70 ℃ at a heating speed of 5 ℃/min, and keeping the temperature for 45 to 60min;
according to the V1 60% and V2 40% of the organic carrier, preparing the special carrier for the front silver paste for superfine line step-by-step printing.
2. The utility model provides a special carrier of positive silver thick liquid for step-by-step printing fine rule which characterized in that this special carrier comprises organic carrier V1 and organic carrier V2, wherein:
the formula of the organic carrier V1 is as follows: 10% of Dow STD-4 ethyl cellulose, 3.2% of phenolic modified rosin resin, 85.0% of span, 50% of butyl carbitol acetate and 14.8% of dipropylene glycol methyl ether acetate;
preparing a finished product carrier V1 according to the preparation process of the organic carrier;
weighing raw materials used by the organic carrier V1, placing the raw materials in a stainless steel heating kettle with a high-speed shearing stirring head, sealing the heating kettle, and starting the high-speed shearing stirring head in the stainless steel heating kettle to enable the shearing rate to be 1000 revolutions per minute; simultaneously starting a heating button, heating the organic mixture to 60 ℃ at a heating speed of 5 ℃/min, and keeping the temperature for 60-90min;
the formula of the organic carrier V2 is as follows: PVB 2.0%, TDO 4.0%, diethylene glycol dibutyl ether 6.5%, propylene glycol butyl ether 2.5%, dibutyl phthalate 5.0%, preparing a finished carrier V2 according to the preparation process of the organic carrier;
according to the formula of the special carrier: the organic carrier V1 is 60 percent, the organic carrier V2 is 40 percent, and the special carrier for printing the front silver paste for the fine line step by step is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911064517.6A CN110880377B (en) | 2019-11-04 | 2019-11-04 | Special carrier for front silver paste for step-by-step printing of thin lines and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911064517.6A CN110880377B (en) | 2019-11-04 | 2019-11-04 | Special carrier for front silver paste for step-by-step printing of thin lines and preparation method |
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| Publication Number | Publication Date |
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| CN110880377A CN110880377A (en) | 2020-03-13 |
| CN110880377B true CN110880377B (en) | 2023-03-24 |
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| KR102519120B1 (en) * | 2016-10-18 | 2023-04-06 | 삼성디스플레이 주식회사 | Display device and manufactuing method thereof |
| CN106782753B (en) * | 2016-12-13 | 2020-03-13 | 广东爱康太阳能科技有限公司 | Silver paste for printing crystalline silicon solar cell and preparation method thereof |
| CN107331434A (en) * | 2017-06-30 | 2017-11-07 | 北京市合众创能光电技术有限公司 | A kind of crystal silicon solar energy battery major-minor grid line separation printing positive silver paste combination and preparation method thereof |
| CN109961871B (en) * | 2018-08-15 | 2020-09-15 | 浙江光达电子科技有限公司 | Slurry for forming transparent conductor by silk-screen sintering and application |
| CN109735170A (en) * | 2019-01-11 | 2019-05-10 | 上海银浆科技有限公司 | A kind of dedicated organic carrier of flash baking type secondary printing front side silver paste |
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| PB01 | Publication | ||
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Denomination of invention: A specialized carrier and preparation method for front silver paste for step-by-step printing of fine lines Effective date of registration: 20230914 Granted publication date: 20230324 Pledgee: Industrial Bank Co.,Ltd. Shanghai Minhang sub branch Pledgor: SHANGHAI YINJIANG TECHNOLOGY CO.,LTD. Registration number: Y2023310000548 |