CN102800380A - Slurry and preparation method thereof as well as peripheral membrane removal method for solar cells - Google Patents
Slurry and preparation method thereof as well as peripheral membrane removal method for solar cells Download PDFInfo
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- CN102800380A CN102800380A CN2012102995087A CN201210299508A CN102800380A CN 102800380 A CN102800380 A CN 102800380A CN 2012102995087 A CN2012102995087 A CN 2012102995087A CN 201210299508 A CN201210299508 A CN 201210299508A CN 102800380 A CN102800380 A CN 102800380A
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- 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
Abstract
The application discloses slurry which comprises ethyl cellulose, organic solvent and mixed acid solution, wherein the mass ratio of the ethyl cellulose to the organic solvent is within 1%-20%, and organic solvent of the ethyl cellulose is formed; and the mass ratio of the organic solvent of the ethyl cellulose to the mixed acid solution is within 1: 1-1: 10. When being printed to peripheral membranes of solar cells, the slurry provided by the invention can be in complete reaction with the peripheral membranes of the solar cells so as to completely remove the peripheral membranes of the solar cells, so that the solar cells with better insulation effects are obtained, leakage currents of the solar cells are reduced, and the conversion efficiencies of the solar cells are improved.
Description
Technical field
The present invention relates to technical field of solar cell manufacturing, relate in particular to a kind of slurry and preparation method thereof, and a kind of removal method of solar battery edge rete.。
Background technology
Amorphous silicon thin-film solar cell is as a kind of novel solar battery, and its raw material are extensive, production cost is low, are convenient to large-scale production, thereby has vast market prospect.
The manufacturing process of non-crystal silicon solar cell of the prior art mainly comprises following operation: 1, raw material glass is carried out edging and clean; 2, form conducting film at said glass surface; 3, utilizing laser to draw the quarter machine carries out laser P1 to said conducting film and draws quarter; 4, at conducting film surface deposition individual layer or the multi-laminate PIN photoelectric conversion layer drawn after carving; 5, said PIN photoelectric conversion layer is carried out laser P2 and draw quarter; 6, at said PIN photoelectric conversion layer surface deposition back electrode film; 7, said back electrode film is carried out laser P3 and draw quarter; 8, remove the edge rete of said electro-conductive glass, wherein, the edge rete of said electro-conductive glass comprises conducting film, PIN photoelectric conversion layer and back electrode film; 9, make operations such as electrode and back road assembly processing.Wherein, the purpose that said laser P1, P2, P3 draw quarter is in order large-area solar cell to be divided into several series-parallel sub-batteries, thereby is met necessarily required output voltage and electric current.
But, utilize the leakage current of the amorphous silicon thin-film solar cell that above-mentioned technology forms bigger, conversion efficiency is lower.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of slurry, and it is clean to utilize this slurry can the edge rete of said solar cell be removed, and reduces the leakage current of said solar cell, improves the conversion efficiency of said solar cell.
For addressing the above problem, the embodiment of the invention provides following technical scheme:
A kind of slurry comprises: ethyl cellulose, organic solvent and mixed acid solution; Wherein, the mass ratio of said ethyl cellulose and organic solvent forms the organic solvent of ethyl cellulose in the scope of 5%-20%; The organic solvent of said ethyl cellulose and the mass ratio of said mixed acid solution are in the scope of 1:1-1:10.
Preferably, said organic solvent is terpinol, ethanol or acetone.
Preferably, said terpinol is 800g.
Preferably, said ethyl cellulose is 50g.
Preferably, said mixed acid solution comprises red fuming nitric acid (RFNA) and dense hydrofluoric acid.
Preferably, the volume ratio of said red fuming nitric acid (RFNA) and dense hydrofluoric acid is in the scope of 2:1-5:1.
Preferably, the volume of said red fuming nitric acid (RFNA) is 400ml.
Preferably, the volume of said dense hydrofluoric acid is 100ml.
A kind of preparation method of above-mentioned slurry comprises: in organic solvent, add ethyl cellulose, form the organic solvent of ethyl cellulose; Mixed acid solution is added in the organic solvent of said ethyl cellulose, form uniform slurry.
Preferably, the said ethyl cellulose that in organic solvent, adds, the organic solvent that forms ethyl cellulose comprises: in organic solvent, add ethyl cellulose, stir and make it abundant dissolving, form the organic solvent of ethyl cellulose.
Preferably, in the said organic solvent that mixed acid solution is added said ethyl cellulose, form uniform slurry and comprise: mixed acid solution is slowly added in the organic solvent of the ethyl cellulose that stirs, and continue to stir, form uniform slurry.
Preferably, said organic solvent is terpinol, ethanol or acetone.
Preferably, said mixed acid solution comprises red fuming nitric acid (RFNA) and dense hydrofluoric acid.
Preferably, the volume ratio of said red fuming nitric acid (RFNA) and dense hydrofluoric acid is in the scope of 2:1-5:1.
A kind of removal method of solar battery edge rete comprises: the rete place, edge that above-mentioned slurry is printed onto said solar cell; The solar cell that is printed with slurry is left standstill, the edge rete of said slurry and said solar cell is reacted; After the edge rete of treating said slurry and said solar cell reacts completely, said solar cell is cleaned.
Preferably, the said solar cell that will be printed with slurry leaves standstill and comprises: the solar cell that will be printed with slurry leaves standstill under 15 ℃-25 ℃ environment.
Preferably, the time of repose of said solar cell is in 15 minutes-60 minutes scope.
Preferably, the said rete place, edge that above-mentioned slurry is printed onto said solar cell is: adopt the method for silk screen printing, above-mentioned slurry is printed onto the rete place, edge of said solar cell.
Preferably, the method for said employing silk screen printing, the rete place, edge that above-mentioned slurry is printed onto said solar cell comprises: said solar cell is put into screen process press; Utilize said screen process press, place half tone in said solar cell surface; Utilize and scrape the prize plate in the said screen process press, above-mentioned slurry is printed onto the rete place, edge of said solar cell.
Preferably, said screen process press is an obturator, and has extractor fan.
Preferably, the material of said half tone is nylon or polyester.
Preferably, the order number of said half tone is in 120 orders-300 purpose scope.
Preferably, the thickness of said half tone is in the scope of 15 μ m-100 μ m.
Preferably, the cleaning method of said solar cell is ultrasonic cleaning.
Compared with prior art, technique scheme has the following advantages:
The slurry that the embodiment of the invention provided, can with the edge rete generation complete reaction of said solar cell, therefore; With the slurry that the embodiment of the invention provided; Be printed onto the rete place, edge of said solar cell, can the edge rete of said solar cell be removed totally, thereby obtain insulation effect solar cell preferably; Reduce the leakage current of said solar cell, improve the conversion efficiency of said solar cell.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the solar cell that provided in the embodiment of the invention;
Fig. 2 is the schematic flow sheet of the solar battery edge rete removal method that provided in the embodiment of the invention two.
Embodiment
Said as the background technology part, utilize the preparation technology of amorphous silicon thin-film solar cell of the prior art, the solar cell leakage current of making is bigger, and conversion efficiency is lower.
The people is through repeatedly testing, discover in research, and this is because among the preparation technology of amorphous silicon thin-film solar cell of the prior art, when removing the edge rete of said solar cell, adopts that laser is played a minor role, sandblast or the method for grinder buffing.Wherein, When utilizing laser to play a minor role to remove the edge rete of said solar cell, the laser optical complex structure that said laser is played a minor role and utilized, less stable; And the laser power of output can decay; Thereby some zone that can cause said solar battery edge rete can not be removed totally, and then causes said solar cell leakage current bigger, and conversion efficiency is lower.
And utilize the method for machinery such as sandblast or grinder buffing; When removing the edge rete of said solar cell, it is unclean to cause the edge rete of said solar cell to remove easily yet, and the dust chip that in the removal process, is produced etc.; Be filled in the line groove of said solar cell; Be difficult to thoroughly clean up, thereby cause said solar cell leakage current bigger, conversion efficiency is lower.
On the basis based on above-mentioned research, the embodiment of the invention provides a kind of slurry and preparation method thereof.Wherein, the slurry that the embodiment of the invention provided comprises: ethyl cellulose, organic solvent and mixed acid solution; Wherein, in the scope of the mass ratio 5%-20% of said ethyl cellulose and organic solvent, form the organic solvent of ethyl cellulose; The organic solvent of said ethyl cellulose and the mass ratio of said mixed acid solution are in the scope of 1:1-1:10.
Because slurry that the embodiment of the invention provided, can with the edge rete generation complete reaction of said solar cell, therefore; With the slurry that the embodiment of the invention provided; Be printed onto the rete place, edge of said solar cell, leave standstill a period of time, the edge rete of said slurry and said solar cell is reacted completely; Can remove the edge rete of said solar cell clean; Thereby obtain insulation effect solar cell preferably, reduce the leakage current of said solar cell, improve the conversion efficiency of said solar cell.
It more than is the application's core concept; To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention carried out clear, intactly description, obviously; Described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
A lot of details have been set forth in the following description so that make much of the present invention; But the present invention can also adopt other to be different from alternate manner described here and implement; Those skilled in the art can do similar popularization under the situation of intension of the present invention, so the present invention does not receive the restriction of following disclosed specific embodiment.
Secondly, the present invention combines sketch map to be described in detail, when the embodiment of the invention is detailed; For ease of explanation; The profile of expression device architecture can be disobeyed general ratio and done local the amplification, and said sketch map is example, and it should not limit the scope of the present invention's protection at this.The three dimensions size that in actual fabrication, should comprise in addition, length, width and the degree of depth.
Embodiment one:
The embodiment of the invention provides a kind of slurry and preparation method thereof.The slurry that the embodiment of the invention provided comprises: ethyl cellulose, organic solvent and mixed acid solution; Wherein, in the scope of the mass ratio 5%-20% of said ethyl cellulose and organic solvent, form the organic solvent of ethyl cellulose; The organic solvent of said ethyl cellulose and the mass ratio of said mixed acid solution are in the scope of 1:1-1:10.
Accordingly, the slurry preparation method that the embodiment of the invention provided comprises: in organic solvent, add ethyl cellulose, form the organic solvent of ethyl cellulose; Mixed acid solution is added in the organic solvent of said ethyl cellulose, form uniform slurry.
In embodiments of the present invention, said organic solvent can be terpinol, ethanol or acetone; Said mixed acid solution comprises red fuming nitric acid (RFNA) and dense hydrofluoric acid, and in said mixed acid solution, the volume ratio of said red fuming nitric acid (RFNA) and dense hydrofluoric acid is in the scope of 2:1-5:1.
Below with a specific embodiment, slurry that the embodiment of the invention provided and preparation method thereof is specifically described.
At first; The 50g ethyl cellulose is joined in the organic solvent of 800g; In an embodiment of the present invention, can be interpreted as: the 50g ethyl cellulose is joined in the terpinol of 800g, and it is stirred; Said ethyl cellulose fully is dissolved in the said organic solvent, forms the organic solvent of ethyl cellulose.
Then, get the dense hydrofluoric acid of 400ml red fuming nitric acid (RFNA) and 100ml respectively and mix, form mixed acid solution.
At last,, slowly join in the organic solvent of the ethyl cellulose that stirs, and it is continued to stir, form uniform slurry, the slurry that is in the embodiment of the invention to be provided the mixed acid solution for preparing.
This shows, the slurry preparation method that the embodiment of the invention provided, simple to operation; And when the slurry that utilizes this method preparation is printed onto the rete place, edge of solar cell; Can with the edge rete complete reaction of said solar cell, the edge rete of said solar cell is removed clean, thereby obtain insulation effect solar cell preferably; Reduce the leakage current of said solar cell, improve the conversion efficiency of said solar cell.
Embodiment two:
The embodiment of the invention provides the removal method of a kind of solar energy edge rete.As shown in Figure 1, the solar cell that is provided in the embodiment of the invention comprises from the bottom to top successively: glass 1, conducting film 2, PIN photoelectric conversion layer 3 and back electrode film 4.
As shown in Figure 2, the removal method of the solar energy edge rete that the embodiment of the invention provided comprises:
Step S201:, be printed onto the rete place, edge 5 of said solar cell with the slurry that is provided in the embodiment of the invention one.
In embodiments of the present invention, can adopt the method for silk screen printing,, be printed onto the rete place, edge 5 of said solar cell the slurry that is provided in the embodiment of the invention one.It specifically comprises:
At first, said solar cell is put into screen process press.Said screen process press is an obturator, and has good extractor fan.In addition, in the said screen process press half tone and squeegee are installed also.Wherein, said half tone and said screen process press are complementary, and are complementary like the screen frame structure of said half tone and the half tone anchor clamps of said screen process press; Said squeegee can be along a certain limit parallel motion of said solar cell.
Then, utilize said screen process press, place half tone in said solar cell surface.Wherein, the size of said half tone should be complementary with the solar cell of being placed.
In embodiments of the present invention, the material of said half tone can be nylon, also can be polyester; The order number of said half tone is in 120 orders-300 purpose scope; The thickness of said half tone is in the scope of 15 μ m-100 μ m.Need to prove that in the embodiment of the invention, the concrete size of said half tone needs to select according to the concrete size of said solar cell, the present invention does not do concrete qualification to this.
At last, after said solar cell surface places, utilize the squeegee in the said screen process press,, be printed onto the rete place, edge 5 of said solar cell the slurry that is provided in the embodiment of the invention one.
Step S202: the solar cell that will be printed with slurry leaves standstill, and the edge rete 6 of said slurry and said solar cell is reacted.
After rete place, the edge of said solar cell 5 prints said slurry; With said solar cell under 15 ℃-25 ℃ environment; Leave standstill a period of time; Said slurry is contacted and fully reaction with the edge rete 6 of said solar cell, the edge rete 6 of said solar cell is eroded.
In embodiments of the present invention; Said time of repose is preferably in 15 minutes-60 minutes scope; But the present invention does not do qualification to this; Its concrete time of repose, need are decided according to the response situation of the edge rete 6 of said slurry and said solar cell, as long as guarantee edge rete 6 complete reactions of said slurry and solar cell.
Step S203: after the edge rete 6 of treating said slurry and said solar cell reacts completely, said solar cell is cleaned.
After the edge rete 6 of treating said slurry and said solar cell reacts completely; Said solar cell is put into ultrasonic cleaning equipment carry out ultrasonic cleaning, can remove slurry residual on the said solar cell, obtain edge rete 6 and remove clean; And the solar cell semi-finished product of cleaning surfaces; Utilize the common process of solar cell to accomplish follow-up making again, it is less to obtain leakage current, conversion efficiency higher solar energy battery; Thereby solved in the existing technology stable not enough in the process because laser is played a minor role; And sandblast or grinder buffing cause dust or chip etc. to be filled in the sub-battery slit, and the leakage current that causes is bigger, the problem that conversion efficiency is lower.
With a specific embodiment removal method of solar battery edge rete provided by the present invention is carried out integral body introduction below.
At first, 280 purpose polyester half tones are installed in the said screen process press, will wait that again the solar cell of removing edge rete 6 puts into screen process press.Secondly, open screen process press, utilize the squeegee in the said screen process press, the slurry that is provided in the embodiment of the invention one is printed onto the rete place, edge 5 of said solar cell.Then, the solar cell that is printed with said slurry under 20 ℃ environment, was left standstill 45 minutes, make edge rete 6 complete reactions of said slurry and said solar cell, the edge rete 6 of said solar cell is got rid of.At last, more reacted solar cell is put into ultrasonic cleaning equipment, carry out ultrasonic cleaning, obtain edge rete 6 and remove totally, and the solar cell semi-finished product of cleaning surfaces.
The removal method of the solar battery edge rete that utilizes in the embodiment of the invention to be provided, the solar cell rete that obtains is removed evenly, and insulation resistance can reach the order of magnitude of M Ω, has the good insulation effect.And the removal method of the solar battery edge rete that the embodiment of the invention provided, not only method is stable, and equipment is simple, and it is convenient to implement, and can also come flexible adaptation different production technological requirement through the half tone of choose reasonable or design silk screen printing.
In sum, in the removal method of the solar battery edge rete that the embodiment of the invention provided, adopt the method for silk screen printing; With the slurry that is provided in the embodiment of the invention one, be printed onto the rete place, edge 5 of said solar cell, utilize the chemical reaction of 6 of the edge retes of said slurry and said solar cell; Remove the edge rete 6 of said solar cell clean; Thereby obtain insulation effect solar cell preferably, reduce the leakage current of said solar cell, improve the conversion efficiency of said solar cell; And equipment is simple; It is convenient to implement, and can come flexible adaptation different production technological requirement through the half tone of choose reasonable or design silk screen printing.
Various piece adopts the mode of going forward one by one to describe in this specification, and what each part stressed all is and the difference of other parts that identical similar part is mutually referring to getting final product between the various piece.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to embodiment illustrated herein, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (24)
1. a slurry is characterized in that, comprising: ethyl cellulose, organic solvent and mixed acid solution; Wherein, the mass ratio of said ethyl cellulose and organic solvent forms the organic solvent of ethyl cellulose in the scope of 5%-20%; The organic solvent of said ethyl cellulose and the mass ratio of said mixed acid solution are in the scope of 1:1-1:10.
2. slurry according to claim 1 is characterized in that, said organic solvent is terpinol, ethanol or acetone.
3. slurry according to claim 2 is characterized in that, said terpinol is 800g.
4. slurry according to claim 3 is characterized in that, said ethyl cellulose is 50g.
5. slurry according to claim 1 is characterized in that, said mixed acid solution comprises red fuming nitric acid (RFNA) and dense hydrofluoric acid.
6. slurry according to claim 5 is characterized in that the volume ratio of said red fuming nitric acid (RFNA) and dense hydrofluoric acid is in the scope of 2:1-5:1.
7. slurry according to claim 6 is characterized in that, the volume of said red fuming nitric acid (RFNA) is 400ml.
8. slurry according to claim 7 is characterized in that, the volume of said dense hydrofluoric acid is 100ml.
9. a preparation method who weighs each said slurry among the 1-8 is characterized in that, comprising:
In organic solvent, add ethyl cellulose, form the organic solvent of ethyl cellulose;
Mixed acid solution is added in the organic solvent of said ethyl cellulose, form uniform slurry.
10. preparation method according to claim 9 is characterized in that, the said ethyl cellulose that in organic solvent, adds, and the organic solvent that forms ethyl cellulose comprises:
In organic solvent, add ethyl cellulose, stir and make it abundant dissolving, form the organic solvent of ethyl cellulose.
11. preparation method according to claim 10 is characterized in that, in the said organic solvent that mixed acid solution is added said ethyl cellulose, forms uniform slurry and comprises:
Mixed acid solution is slowly added in the organic solvent of the ethyl cellulose that stirs, and continue to stir, form uniform slurry.
12., it is characterized in that said organic solvent is terpinol, ethanol or acetone according to each said preparation method of claim 9-11.
13., it is characterized in that said mixed acid solution comprises red fuming nitric acid (RFNA) and dense hydrofluoric acid according to each said preparation method of claim 9-11.
14. preparation method according to claim 13 is characterized in that, the volume ratio of said red fuming nitric acid (RFNA) and dense hydrofluoric acid is in the scope of 2:1-5:1.
15. the removal method of a solar battery edge rete is characterized in that, comprising:
Each described slurry among the power 1-8 is printed onto the rete place, edge of said solar cell;
The solar cell that is printed with slurry is left standstill, the edge rete of said slurry and said solar cell is reacted;
After the edge rete of treating said slurry and said solar cell reacts completely, said solar cell is cleaned.
16. removal method according to claim 15 is characterized in that, the said solar cell that will be printed with slurry leaves standstill and comprises:
The solar cell that is printed with slurry is left standstill under 15 ℃-25 ℃ environment.
17. removal method according to claim 15 is characterized in that, the time of repose of said solar cell is in 15 minutes-60 minutes scope.
18. removal method according to claim 15 is characterized in that, saidly will weigh the rete place, edge that each described slurry among the 1-8 is printed onto said solar cell and be:
Adopt the method for silk screen printing, each described slurry among the power 1-8 is printed onto the rete place, edge of said solar cell.
19. removal method according to claim 18 is characterized in that, the method for said employing silk screen printing, and the rete place, edge that each described slurry among the power 1-8 is printed onto said solar cell comprises:
Said solar cell is put into screen process press;
Utilize said screen process press, place half tone in said solar cell surface;
Utilize and scrape the prize plate in the said screen process press, each described slurry among the power 1-8 is printed onto the rete place, edge of said solar cell.
20. removal method according to claim 19 is characterized in that said screen process press is an obturator, and has extractor fan.
21. removal method according to claim 19 is characterized in that, the material of said half tone is nylon or polyester.
22. removal method according to claim 19 is characterized in that, the order number of said half tone is in 120 orders-300 purpose scope.
23. removal method according to claim 19 is characterized in that, the thickness of said half tone is in the scope of 15 μ m-100 μ m.
24. removal method according to claim 15 is characterized in that, the cleaning method of said solar cell is ultrasonic cleaning.
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| CN2012102995087A CN102800380A (en) | 2012-08-21 | 2012-08-21 | Slurry and preparation method thereof as well as peripheral membrane removal method for solar cells |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1426381A (en) * | 2000-04-28 | 2003-06-25 | 默克专利有限公司 | Etching pastes for inorganic surfaces |
| CN101465393A (en) * | 2009-01-13 | 2009-06-24 | 江西升阳光电科技有限公司 | Method and product for indicating solar battery slice encode |
| CN101471389A (en) * | 2007-12-25 | 2009-07-01 | 国硕科技工业股份有限公司 | Solar battery |
| WO2011032880A1 (en) * | 2009-09-21 | 2011-03-24 | Basf Se | Aqueous acidic etching solution and method for texturing the surface of single crystal and polycrystal silicon substrates |
| CN102138214A (en) * | 2008-09-01 | 2011-07-27 | 默克专利股份有限公司 | Edge delamination of thin-layer solar modules by means of etching |
-
2012
- 2012-08-21 CN CN2012102995087A patent/CN102800380A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1426381A (en) * | 2000-04-28 | 2003-06-25 | 默克专利有限公司 | Etching pastes for inorganic surfaces |
| CN101471389A (en) * | 2007-12-25 | 2009-07-01 | 国硕科技工业股份有限公司 | Solar battery |
| CN102138214A (en) * | 2008-09-01 | 2011-07-27 | 默克专利股份有限公司 | Edge delamination of thin-layer solar modules by means of etching |
| CN101465393A (en) * | 2009-01-13 | 2009-06-24 | 江西升阳光电科技有限公司 | Method and product for indicating solar battery slice encode |
| WO2011032880A1 (en) * | 2009-09-21 | 2011-03-24 | Basf Se | Aqueous acidic etching solution and method for texturing the surface of single crystal and polycrystal silicon substrates |
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Application publication date: 20121128 |