CN102479881B - Method for printing identification code on solar cell and method for recording manufacturing process parameters of solar cell - Google Patents
Method for printing identification code on solar cell and method for recording manufacturing process parameters of solar cell Download PDFInfo
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- CN102479881B CN102479881B CN201110236643.2A CN201110236643A CN102479881B CN 102479881 B CN102479881 B CN 102479881B CN 201110236643 A CN201110236643 A CN 201110236643A CN 102479881 B CN102479881 B CN 102479881B
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- solar cell
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- identification code
- pattern openings
- cell substrate
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- 238000000034 method Methods 0.000 title claims abstract description 83
- 238000007639 printing Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000000758 substrate Substances 0.000 claims abstract description 56
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 239000011265 semifinished product Substances 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims description 19
- 239000000843 powder Substances 0.000 claims description 6
- 230000008033 biological extinction Effects 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 238000005530 etching Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 150000002894 organic compounds Chemical class 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000003909 pattern recognition Methods 0.000 claims description 2
- 238000007650 screen-printing Methods 0.000 abstract description 3
- 230000031700 light absorption Effects 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 76
- 239000002585 base Substances 0.000 description 5
- 238000005245 sintering Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000007581 slurry coating method Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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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- Photovoltaic Devices (AREA)
Abstract
The invention relates to a method for printing an identification code on a solar cell and a method for recording the process parameters of the solar cell, wherein the method for printing the identification code comprises the following steps: providing a batch of semi-finished products of the solar cell substrate, wherein the semi-finished products refer to all processes of a light absorption surface of the solar cell substrate; and printing the metal paste on the back of the batch of solar cell substrates in a screen printing mode to form a first bus (bus bar), a second bus and an identification code for identifying the wafer. Compared with the prior art, the method of the invention has the advantages of easy process and no need of increasing equipment cost. Moreover, when the yield of the solar cell is reduced, a tester can analyze and search problems according to the process parameter data of each solar cell substrate, and timely adjust the process parameters to optimize the quality of the solar cell.
Description
Technical field
The method of printing identification code (identification) goes up in system of the present invention at solar cell (solar cell) about one, the method for printing identification code and the method in conjunction with this identification code recording solar base plate process parameter while of referring to when wire mark conducting resinl solar cell surface especially.
Background technology
In recent years, due to new line and the exhaustion gradually of other energy of environmental consciousness, countries in the world are made to start to pay attention to the utilization of the renewable energy resources.The renewable energy resources comprise: the resource that the source such as solar energy, wind energy, water energy or biological energy source can not be deficient.And Taiwan is located in subtropical zone, sunshine enriches, and therefore in Taiwan, utilizes solar cell (solar cell) as the exploitation of solar energy source, the photoelectric conversion efficiency of solar energy is improved, and is the focus of each industrial research now.
Because the processing procedure of solar cell (solar cell) is comparatively simple compared to manufacture of semiconductor.Based on the consideration on cost, be used for preparing the wafer of solar cell, and be unlike in that to prepare semiconductor integrated circuit the same, the mode that can scan with laser, to each wafer imprinting identification code (identification).
Therefore, in the process preparing solar cell, also have no way of learning individually the process parameter of each wafer.Such as, but in the middle of preparation process, the parameter of processing procedure may be done adjustment slightly according to different situations or have a little difference: time of the concentration of diffusion process ion, the concentration of acid & alkali liquid, etching etc.
If in preparation process, because wherein one processing procedure goes wrong, and cause by the gross solar cell yield decline time, be difficult in time from existing data and data analysis, find out corresponding wafer problem place, make when readjusting process parameter, there is certain degree of difficulty.In addition, and for example after solar cell shipment, client terminal to discover defective products problem, because solar battery sheet does not have imprinting identification code, therefore also cannot find out the problem that corresponding processing procedure occurs, and certainly also has no way of finding out corresponding Improving Measurements.
Summary of the invention
The invention provides a kind of method at solar cell printing identification code that processing procedure is simple, cost is low.
The present invention provides a kind of method of the identification code recording solar base plate process parameter in conjunction with said method printing in addition.
A method for solar cell printing identification code, comprising:
There is provided the semi-finished product of one batch of solar cell substrate, these semi-finished product refer to that this solar cell substrate has completed all processing procedures in extinction face;
A half tone is provided, this half tone defines the pattern openings of the first bus, the pattern openings of the second bus and the pattern openings of identification code in wherein, the pattern openings of this first bus between the pattern openings of this second bus and the pattern openings of this identification code or the pattern openings of this second bus between the pattern openings of this first bus and the pattern openings of this identification code; And
By changing the position of scraper plate Origin And Destination, metal paste is printed on this batch of solar cell substrate back side in wire mark mode, form the first bus (bus bar), the second bus, and give each solar cell substrate different identification codes, and this first bus, the second bus and this identification code are this scraper plates advances to a direction and once printed.
In one embodiment of the invention, solar cell substrate back panel is divided into the first to the 3rd region by first and second above-mentioned bus, identification code is selected from group's one wherein that graphic sign, figure notation, word and combination in any thereof form, and is distributed between those regions.
In one embodiment of the invention, the above-mentioned method at solar cell printing identification code comprises further carries out sintering processes to solar cell, forms nurse contact electrode difficult to understand to make the first bus and the second bus and solar cell substrate.
A method for record solar energy battery manufacturing procedure parameter, the method comprises:
There is provided the semi-finished product of solar cell substrate, these semi-finished product refer to that this solar cell substrate has completed all processing procedures in extinction face;
A half tone is provided, this half tone defines the pattern openings of the first bus, the pattern openings of the second bus and the pattern openings of identification code in wherein, the pattern openings of this first bus between the pattern openings of this second bus and the pattern openings of this identification code or the pattern openings of this second bus between the pattern openings of this first bus and the pattern openings of this identification code;
By changing the position of scraper plate Origin And Destination, metal paste is printed on this solar cell substrate back side in wire mark mode, form the first bus (bus bar), the second bus, and give each solar cell substrate different identification codes, and this first bus, the second bus and this identification code are this scraper plates advances to a direction and once printed; And
Record identification code and the process parameter of this solar cell substrate, the parameter of solar cell in preparation process can be recorded and build file.
Beneficial effect of the present invention: method of the present invention not only processing procedure is easy, does not also need to increase equipment cost again.Further, when the yield of solar cell declines, testing staff according to the process parameter data of every a slice solar cell substrate, can carry out analyzing and searching problem, and adjusts process parameter in good time, make the maximize quality of solar cell.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, be described in detail below.
Accompanying drawing explanation
Fig. 1 shows the half tone that embodiment of the present invention printing solar cell uses.
Fig. 2 A to 2B shows the rearview of embodiment of the present invention solar cell substrate.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to the embodiment of method of the solar cell printing identification code proposed according to the present invention, structure, feature and effect, be described in detail as follows.
In solar cell processing procedure, one batch of solar cell substrate is sequentially after clean, structuring (texturing), diffusion, insulation and coating anti reflection layer, at solar base plate extinction face and back of the body surface forming electrode, extraneous circuit can be connected.Referring to Fig. 1 and Fig. 2, the invention is characterized in, the back side 20 that metal paste is printed on solar cell substrate 2 in wire mark mode is formed the first bus 21 (rear side bus bar) and the second bus 22, also identifies that the identification code 23 of wafer is printed on solar cell substrate 2 by one.
The half tone 1 that Fig. 1 uses for printing the first bus 21, second bus 22 and identification code 23 on solar cell substrate.Can find out by figure, on half tone 1 except the pattern openings 12 of pattern openings 11, second bus 22 defining the first bus 21, also define the pattern openings 13 of identification code 23.As can be seen from drawing, the first bus 21 and the pattern openings 11,12 of the second bus 22 are the parallel openings of two strips.
Half tone 1 is also divided into three regions by the pattern openings 11,12 of the first bus 21 and the second bus 22.The upper area of the pattern openings 11 of the first bus 21 be first area 101, first bus 21 and the second bus 22 pattern openings 11,12 between be second area 102, the lower zone of the pattern openings 12 of the second bus 22 is the 3rd region 103.
First and the 3rd region 101,103 can according to demand, selectedly arbitrarily represent units region or tens region.Such as, in the embodiment of the present invention, with first area 101 and the 3rd region 103, represent tens region and units region respectively.But the identification of identification code 23 tens and units, in fact also can select different differentiating methods according to demand.
It should be noted that, please refer to Fig. 2, in order in screen printing processing, scraper plate is advanced to a direction once just can all be printed on the solar cell substrate back side 20 by the first bus 21, second bus 22 and identification code 23, reach the object of saving processing time, the embodiment of the present invention, mainly by changing the position of scraper plate starting point and terminal, gives different chips other identification code 23.So, in the embodiment of the present invention, be only provided with the opening 13 of identification code pattern in first area 101 and the 3rd region 103.
Identification code pattern openings 13 can be selected from group's one wherein that graphic sign, figure notation, word and combination in any thereof form.Graphic sign can be circular, square or any one geometry such as triangle.In addition, also can use Arabic numerals or Roman number, or adopt one, two, three ... and so on word numbering.
The pattern openings 13 of the identification code 23 of the present embodiment comprises multiple pictorial symbolization 130 and numeric character 132, user can according to the numbering of each wafer, be selected from the opening 132 through pictorial symbolization 130, numeric character 132, control the position that scraper plate changes Origin And Destination.See by drawing, scraper plate from top to bottom (or in the opposite direction) is advanced once, the metal paste of the first bus 21, second bus 22 and identification code 23 can be printed on the solar cell substrate back side 20.
Fig. 2 A and Fig. 2 B shows the dorsal view of the solar base plate 2 of different sheet in the embodiment of the present invention.When utilizing half tone 1, when metal paste is printed on the solar cell substrate back side 20 by control scraper plate from top to bottom, if start position is " 9 " (prints out " 9 " in first area 101 and go together graphic sign), namely to represent tens be 9, and the terminal of scraper plate motion (prints out " 9 " in the 3rd region 103 and graphic sign of going together) when be " 9 ", namely representing units is 9.In other words, the wafer identification code 23 of this sheet solar cell substrate 2 is " 99 ", as shown in Figure 2 A.
The rest may be inferred, when the identification code 23 printing lower a slice solar cell substrate 2 be " 98 ", scraper plate with " 9 " in the region 101 of half tone 1 for starting point setting in motion, until the destination county stopping of " 8 " in region 103, as shown in Figure 2 B.In other words, during wire mark, by controlling the Origin And Destination position of scraper plate motion, the situation of identification code from 99 ~ 00 can be arranged out.Utilize method provided by the present invention, can the solar cell substrate 2 of at least 100 be numbered.Therefore, when carrying out solar cell processing procedure with a collection of solar cell substrate 2, enough make every a slice solar cell all have its respective identification code 23.
Certainly, in another embodiment, also can represent that identification code is numbered by numeral merely.Such as, scraper plate is starting point from this tens regional choice numeric character a, when marching to units region, selects another numeric character b to be terminal, a and b represents 0 ~ 9 wherein arbitrary numeral, then namely identification code is read as " ab "
Such as, although be that be not limited in this example, by other mode, octadic or hexadecimal are also fine with the decimal system to write identification code in the embodiment of the present invention.In addition, different graphic signs also can be utilized to distinguish tens and units, such as, the graphic sign representing tens is square, and the graphic sign representing units is circular.
Due in wire mark process, the pictorial symbolization of identification code 23, word or numeral may be there is and do not print complete and cause erroneous judgement.Therefore, another kind of mode is the foundation using the distance between graphic sign and datum line as read-write.
In first area 101, set the first datum line 1010, and the distance of graphic sign in first area 101 and the first datum line 1010 is dA, namely equal A unit distance, in the embodiment of the present invention, the first datum line 1010 is the edge of the first bus 21.
The second datum line 1030 is set in the 3rd region 103, for the border of solar cell substrate 2, and be positioned at the graphic sign in the 3rd region 103, be B with the second datum line 1030 unit number apart, then the interpretation mode of identification code is " (A-1) (B-1) ".Such as, in Fig. 2 A, A=10, B=10 are so the identification code 23 of this film solar cell substrate is " 99 ".In embodiments of the present invention, the identification code 23 of solar cell substrate 2 is all carry out interpretation with pattern recognition machine.
The composition printing the metal paste of the first bus 21, second bus 22 and identification code 23 comprises conductive metal powder, glass (pottery) powder and organic compound.Conductive metal powder can be selected from silver, aluminium, copper, silicon etc.Glass (pottery) powder as: PbO, B2O3, SiO2 etc., contribute to sintering and the tack of slurry entirety.Organic compound is then conducive to making metal paste be printed on solar cell substrate surface.
After wire mark program, also need again through sintering processes, also be positioned in annealing boiler tube by solar cell substrate 1, be heated to about 700 ~ 800 DEG C, make the metal of the first bus 21, second bus 22 diffuse to solar cell substrate 2 and form good nurse contact difficult to understand using as electrode.
The present invention in fact also provides a kind of process parameter to batch solar cell substrate to increase the method for record relative position parameter.In processing procedure process, although the process parameter of same batch of solar cell is identical, but, during in phosphorus diffusion process or with electricity slurry coating anti reflection rete, due to the location parameter difference to some extent that solar cell substrate is placed, it also may be one of reason of the difference causing solar cell usefulness.
Past is not owing to numbering indivedual sheet solar cell, be difficult to analyze the difference caused due to position difference, use method of the present invention to after indivedual sheet solar cell numbering, solar cell after sintering processes, before effect test, first can record process parameter and the identification code of this batch of solar cell.Once find the usefulness of solar cell not as expected, namely can pass through the processing procedure experience that identification code grasps this sheet solar cell, following the trail of the reason that usefulness reduces, and adjusting process parameter to improve usefulness and the quality of solar cell in good time.
Certainly, imprinting identification code also can be applied to other pattern printing process on solar cell substrate.As: in wire mark mode, etching formula slurry (etch paste) or implanted slurry (doped paste) are printed in solar base plate, be burnt on solar cell substrate by identification code, be also feasible mode simultaneously.
In sum, a kind of printing identification code (identification) provided by the present invention, in the method for solar cell (solar cell) and application, has following advantages:
(1) processing procedure is easy, and does not need to increase equipment cost.The method of printing identification code provided by the present invention, may be incorporated in the original screen printing processing of solar cell, and the process of printing identification code does not need complicated technology yet.If in picture semiconductor integrated circuit processing procedure, the mode adopting laser to scan is come, to every a slice solar cell substrate imprinting identification code, the cost of equipment can be made to increase.But, adopt method of the present invention, then need hardly to pay extra equipment cost.
(2) process parameter correction is easier.Because every a slice solar cell substrate all has respective identification code, the parameter of every a slice solar cell substrate in preparation process can be recorded and build file.When the yield of solar cell declines, testing staff according to the process parameter data of every a slice solar cell substrate, can carry out analyzing and searching problem, and adjusts process parameter in good time, make the maximize quality of solar cell.
The above, only embodiments of the invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a method for solar cell printing identification code, comprising:
There is provided the semi-finished product of one batch of solar cell substrate, these semi-finished product refer to that this solar cell substrate has completed all processing procedures in extinction face;
A half tone is provided, this half tone defines the pattern openings of the first bus, the pattern openings of the second bus and the pattern openings of identification code in wherein, the pattern openings of this first bus between the pattern openings of this second bus and the pattern openings of this identification code or the pattern openings of this second bus between the pattern openings of this first bus and the pattern openings of this identification code; And
By changing the position of scraper plate Origin And Destination, metal paste is printed on this batch of solar cell substrate back side in wire mark mode, form the first bus (bus bar), the second bus, and give each solar cell substrate different identification codes, and this first bus, the second bus and this identification code are this scraper plates advances to a direction and once printed.
2. the method for claim 1, it is characterized in that: this solar cell substrate back panel is divided into the first to the 3rd region by this first and second bus, this identification code is selected from group's one wherein that graphic sign, figure notation, word and combination in any thereof form, and is distributed between these regions.
3. method as claimed in claim 2, it is characterized in that: this first area represents tens region, 3rd Regional Representative's units region, this identification code represents with numeric character, this scraper plate is starting point from this tens regional choice numeric character a, when marching to this units region, selects another numeric character b to be terminal, a and b be 0 ~ 9 wherein any one numeral, then this identification code is read as " ab ".
4. method as claimed in claim 2, it is characterized in that: this identification code is made up of multiple graphic sign, this first area represents tens region, 3rd Regional Representative's units region, if the unit number apart of this graphic sign in this first area and first datum line is A, this graphic sign in the 3rd region and one article of second datum line unit number are apart B, then this identification code is read as " (A-1) (B-1) ".
5. method as claimed in claim 2, is characterized in that: this identification code carrys out interpretation with pattern recognition machine.
6. the method for claim 1, is characterized in that: this identification code pattern openings is selected from the one in the group that graphic sign, figure notation, word and combination in any thereof form.
7. the method for claim 1, is characterized in that: the composition of this metal paste comprises conductive metal powder, glass powder and organic compound.
8. a method for record solar energy battery manufacturing procedure parameter, the method comprises:
There is provided the semi-finished product of solar cell substrate, these semi-finished product refer to that this solar cell substrate has completed all processing procedures in extinction face;
A half tone is provided, this half tone defines the pattern openings of the first bus, the pattern openings of the second bus and the pattern openings of identification code in wherein, the pattern openings of this first bus between the pattern openings of this second bus and the pattern openings of this identification code or the pattern openings of this second bus between the pattern openings of this first bus and the pattern openings of this identification code;
By changing the position of scraper plate Origin And Destination, metal paste is printed on this solar cell substrate back side in wire mark mode, form the first bus (bus bar), the second bus, and give each solar cell substrate different identification codes, and this first bus, the second bus and this identification code are this scraper plates advances to a direction and once printed; And
Record identification code and the process parameter of this solar cell substrate, the parameter of solar cell in preparation process can be recorded and build file.
9. method as claimed in claim 8, is characterized in that: when this identification code being formed on this solar cell substrate back side, metal paste is printed on this solar cell substrate back side in wire mark mode, forms the identification code of those indivedual sheets.
10. method as claimed in claim 8, it is characterized in that: when this identification code being formed on this solar cell substrate back side, etching formula slurry or implanted slurry are printed on this solar cell substrate in wire mark mode, form the identification code of those indivedual sheets.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW099141610 | 2010-11-30 | ||
| TW099141610A TWI431787B (en) | 2010-11-30 | 2010-11-30 | Method and application for the solar cell id scribe during screen printing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102479881A CN102479881A (en) | 2012-05-30 |
| CN102479881B true CN102479881B (en) | 2015-04-08 |
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| CN201110236643.2A Expired - Fee Related CN102479881B (en) | 2010-11-30 | 2011-08-17 | Method for printing identification code on solar cell and method for recording manufacturing process parameters of solar cell |
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| CN (1) | CN102479881B (en) |
| TW (1) | TWI431787B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104134399A (en) * | 2014-07-11 | 2014-11-05 | 晶澳太阳能有限公司 | Solar photovoltaic module anti-counterfeiting marking method and solar photovoltaic module with anti-counterfeiting marking function |
| CN105374898A (en) * | 2014-08-22 | 2016-03-02 | 新日光能源科技股份有限公司 | Solar cell marking method |
| CN105514457B (en) * | 2016-01-25 | 2017-11-24 | 宁波博大梧桐电池科技有限公司 | A kind of manufacture method of information-based alkaline zinc manganese dioxide battery |
| CN108538757B (en) * | 2018-03-27 | 2020-12-01 | 韩华新能源（启东）有限公司 | Solar cell manufacturing process tracing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101395724B (en) * | 2006-02-28 | 2010-10-27 | Q-细胞公司 | Solar cell marking method, and solar cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070163634A1 (en) * | 2005-07-14 | 2007-07-19 | Kyocera Corporation | Solar cell, manufacturing method and manufacturing management system thereof, and solar cell module |
| IT1392992B1 (en) * | 2009-02-23 | 2012-04-02 | Applied Materials Inc | PROCEDURE AND EQUIPMENT FOR THE SERIGRAPHIC PRINTING OF A MULTIPLE LAYER DIAGRAM |
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2010
- 2010-11-30 TW TW099141610A patent/TWI431787B/en not_active IP Right Cessation
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101395724B (en) * | 2006-02-28 | 2010-10-27 | Q-细胞公司 | Solar cell marking method, and solar cell |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201222838A (en) | 2012-06-01 |
| CN102479881A (en) | 2012-05-30 |
| TWI431787B (en) | 2014-03-21 |
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