CN103192589A - Method for making solar metal screen through two-surface etching - Google Patents
Method for making solar metal screen through two-surface etching Download PDFInfo
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- CN103192589A CN103192589A CN2012100045041A CN201210004504A CN103192589A CN 103192589 A CN103192589 A CN 103192589A CN 2012100045041 A CN2012100045041 A CN 2012100045041A CN 201210004504 A CN201210004504 A CN 201210004504A CN 103192589 A CN103192589 A CN 103192589A
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Abstract
The invention relates to the solar photovoltaic manufacturing field, and discloses a method for making a solar metal screen through two-surface etching. The method comprises the following steps: 1, uniformly smearing a photoactive substance or press-pasting a photoactive dry film on each of two surfaces of a selected metal plate; 2, exposing two surfaces of the processed metal plate, and transferring a needed figure to the photoactive dry film or the photoactive substance; 3, developing the exposure metal plate; and 4, carrying out two-surface etching of the developed metal plate. The method overcomes the defects comprising wrap and weft nodes, uneven surface, and covering of a soft small-hardness easy-damage photoactive polymer on the lower surface of traditional woven screens, and improves the printing quality, so the conversion efficiency of a printed product solar battery is finally improved.
Description
Technical field
The invention belongs to the solar cell print field, be specifically related to a kind of solar energy web plate and make new technology, metal mold solar energy web plate is made in two-sided etching.
Background technology
Along with rapid economy development, the consumption of the energy is increasing, the storage capacity of non-renewable resources such as coal and oil reduces day by day, and this impels people to the continuous exploration of new forms of energy (as nuclear energy, solar energy, wind energy, biomass energy, geothermal energy, ocean energy, Hydrogen Energy etc.).Wherein, as the source of many energy on the earth, solar energy has occupied consequence in the research of new forms of energy, and solar cell is exactly a core representative of Application of Solar Energy.The transformation efficiency that improves solar cell is a main target of present solar cell research, except the improvement to the selection of cell substrate material, substrate manufacture craft, the electrode of solar battery of making excellent performance also can bring good effect to the transformation efficiency of battery.
At present, the electrode printing is to adopt traditional serigraphy, the silk screen that adopts in its printing process is the web plate of silk screen+photoresists form, there is following problem in it: 1, the silk screen layer of silk screen plate has the longitude and latitude node of braiding, in printing process, the thin grid line line of the battery sheet footpath after its effect to the printing slurry can cause printing is uneven; 2, traditional silk screen plate lower surface is covered with photopolymer, and photopolymer matter is soft, hardness is little, easy damaged.These factors are the transformation efficiency of the direct or indirect final solar cell of influence all.
Summary of the invention
(1) technical problem that will solve
The present invention has longitude and latitude node, surface irregularity, lower surface at traditional establishment type silk screen to be covered with photopolymer, photopolymer matter is soft, hardness is little, the defective of easy damaged, and the method that metal mold solar energy web plate is made in a kind of two-sided etching is proposed.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides the method that metal mold solar energy web plate is made in a kind of two-sided etching, it may further comprise the steps:
S1: smear or overlay a kind of photosensitive dry film or other photoactive substance uniformly in that selected metal sheet surface is two-sided;
S2: will do the above metallic plate two sides exposure of handling, the figure of needs is transferred on photosensitive dry film or other photoactive substance;
S3: the metallic plate after will exposing carries out development treatment;
S4: the metallic plate after the development treatment is carried out two-sided etching.
Wherein, selected metallic plate can be corrosion resistant plate, nickel plate, all suitable metal mold plates of nickel-base alloy plate described in the step S1.
Wherein, also comprise step before the described step S1: selected metallic plate is carried out pre-treatment, as oil removing, processing of rust removing, make the metal surface cleaning.
Wherein, in the process of the described exposure transition diagram of described step S2, the figure body shape on metallic plate two sides is identical, and passes through the accurate contraposition of exposure machine, is used for guaranteeing the position consistency of two sides exposure figure.
Wherein, among the described step S3, described developing process is that the metallic plate after the exposure is carried out two-sided development, make the two sides etched part to expose out, and the mask part surface is covered by photoactive substance.
Wherein, the figure body position that two sides, development back exposes is corresponding, and wherein the exposed part of one side is the type that links up, and the pattern of exposed part formation is consistent with electrode of solar battery grid line pattern; Be non-coherent type and in addition have the photoactive substance that interweaves, exposed metal covering on the exposed metal covering of one side, the pattern that the bare metal face of non-coherent type constitutes is consistent with electrode of solar battery grid line pattern.
Wherein, among the step S4, the pad pasting metallic plate after the exposure is carried out two-sided etching.
Wherein, described two-sided being etched to simultaneously carried out, and the etching solution pressure parameter on two sides is adjustable, is used for the etching speed on control metallic plate two sides, the back metal covering exposed part that wherein develops is that the one side of coherent type is etched to fluted body at grid line main body place, and another side is etched to reticular pattern.
Wherein, described solar energy web plate is made of some main grid lines and some thin grid line vertical interlaceds, and the thickness of web plate is 30um ~ 100um, and the etched recesses degree of depth accounts for 60% ~ 70% of steel plate thickness, the thin grid line width of etched recesses is 30um ~ 100um, and the main grid live width is 1mm ~ 2mm.
Wherein, the metal otter board of making comprises that also the follow-up film that moves back cleans, detects and be fixed on operation on the screen frame.
(3) beneficial effect
Technique scheme provides, and the method for metal mold solar energy web plate is made in a kind of two-sided etching, and it may further comprise the steps: S1: smear or overlay a kind of photosensitive dry film or other photoactive substance uniformly in that selected metal sheet surface is two-sided; S2: will do the above metallic plate two sides exposure of handling, the figure of needs is transferred on photosensitive dry film or other photoactive substance; S3: the metallic plate after will exposing carries out development treatment; S4: the metallic plate after the development treatment is carried out two-sided etching.Having overcome traditional establishment type silk screen has longitude and latitude node, surface irregularity, lower surface and is covered with photopolymer, photopolymer matter is soft, hardness is little, the defective of easy damaged can improve printing quality, finally can improve the transformation efficiency of printing finished product solar cell.
Description of drawings
Fig. 1 is the schematic cross-section of the two-sided pad pasting of embodiment of the invention metal sheet surface;
Fig. 2 is the schematic cross-section behind the metallic plate exposure imaging of embodiment of the invention pad pasting;
Fig. 3 is a kind of design pattern of embodiment of the invention exposure;
Fig. 4 A is the partial schematic diagram of embodiment of the invention pad pasting metallic plate one side exposure area;
Fig. 4 B is the partial schematic diagram of embodiment of the invention pad pasting metallic plate another side exposure area;
Fig. 5 is finish web plate schematic diagram behind the pad pasting of embodiment of the invention etching.
Wherein, 10: metallic plate; 11: dry film; 12: dry film; 31: the main grid line; 32: thin grid line; 101: grid; 102: etched recesses; 110: the dry film after the exposure; 120: the dry film after the exposure.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
Extremely shown in Figure 5 in conjunction with Fig. 1, the embodiment of the invention provides a kind of two-sided etching to make the method for metal mold solar energy web plate, and it may further comprise the steps: S1: smear or overlay a kind of photosensitive dry film or other photoactive substance uniformly in that selected metal sheet surface is two-sided; S2: will do the above metallic plate two sides exposure of handling, the figure of needs is transferred on photosensitive dry film or other photoactive substance; S3: the metallic plate after will exposing carries out development treatment; S4: the metallic plate after the development treatment is carried out two-sided etching.Having overcome traditional establishment type silk screen has longitude and latitude node, surface irregularity, lower surface and is covered with photopolymer, photopolymer matter is soft, hardness is little, the defective of easy damaged can improve printing quality, finally can improve the transformation efficiency of printing finished product solar cell.
Concrete combination Figure 1 shows that sticks dry film 11,12 schematic diagram with metal base 10 two sides of handling after the cleaning by the press mold machine; Shown in Figure 2 is the schematic diagram that the metallic plate that will post film places exposure machine exposure back to develop and obtain, the dry film 120 after the dry film 110 after the exposure and the exposure, described exposing patterns main body as shown in Figure 3, it vertically is made of some main grid lines 31 and some thin grid lines 32.During exposure, metallic plate 10 two sides dry films 11,12 exposing patterns body position are identical, in the practical operation, require two sides exposure figure contraposition deviation in 5um.Metallic plate selected described in the step S1 in the present embodiment can be corrosion resistant plate, nickel plate, all suitable metal mold plates of nickel-base alloy plate.
Also comprise step before the described step S1: selected metallic plate is carried out pre-treatment, as oil removing, processing of rust removing, make the metal surface cleaning.In the process of the described exposure transition diagram of described step S2, the figure body shape on metallic plate two sides is identical, and passes through the accurate contraposition of exposure machine, is used for guaranteeing the position consistency of two sides exposure figure.Among the described step S3, described developing process is that the metallic plate after the exposure is carried out two-sided development, make the two sides etched part to expose out, and the mask part surface is covered by photoactive substance.
The figure body position that two sides, development back exposes is corresponding, and wherein the exposed part of one side is the type that links up, and the pattern of exposed part formation is consistent with electrode of solar battery grid line pattern; Be non-coherent type and in addition have the photoactive substance that interweaves, exposed metal covering on the exposed metal covering of one side, the pattern that the bare metal face of non-coherent type constitutes is consistent with electrode of solar battery grid line pattern.Among the step S4, the pad pasting metallic plate after the exposure is carried out two-sided etching.Further, the detail section of two sides exposure figure is had any different, it is specifically shown in Fig. 4 A and 4B, among the figure shown in the black region is exposed areas, Fig. 4 A is depicted as the wherein partial schematic diagram of one side exposure (being the counterpart of main grid line 31 among Fig. 3, thin grid line 32 intervening portions) of metallic plate, and Fig. 4 B is its corresponding another side exposure schematic diagram.After exposure, developer solution reaction when the film of black region forms high molecular polymer not with development because of polymerization, after the development, the film of exposure area covers metal sheet surface, and the film of unexposed area (being white portion among Fig. 4) is developed the liquid reaction and makes that the metallic plate plate face of unexposed area is exposed.
Described two-sided being etched to simultaneously carried out, the etching solution pressure parameter on two sides is adjustable, the etching speed that is used for control metallic plate two sides, the metal covering exposed part is etched to fluted body for the one side of the type that links up after wherein developing at grid line main body place, and another side is etched to reticular pattern.
Described solar energy web plate is made of some main grid lines and some thin grid line vertical interlaceds, and the thickness of web plate is 30um ~ 100um, and the thin grid line width of etched recesses is 30um ~ 100um, and the main grid live width is 1mm ~ 2mm.
Pad pasting metallic plate after developing is placed the etching machine etching, because the existence of metal sheet surface dry film, can't see through at place, the metal surface etching solution that dry film is arranged, and exposed metal covering can react by etched liquid, thereby simultaneously form the strip groove structure at metallic plate, another side forms network in the zone of strip groove correspondence, and its concrete structure conforms to metal sheet surface pattern behind the exposure imaging, be the pattern on metallic plate two sides as shown in Figure 4, white portion is etched part.Control the etch depth ratio on metallic plate two sides by the etching relevant parameter of adjusting the metallic plate two sides, as shown in Figure 5, be the degree of depth h1 of control mesh 101 and the ratio of the degree of depth h2 of etched recesses 102, can obtain different web plates, as preferably, the degree of depth h2 of etched recesses 102 accounts for 60% ~ 70% of steel plate thickness.
The metal otter board of making comprises that also the follow-up film that moves back cleans, detects and be fixed on operation on the screen frame.
As can be seen from the above embodiments, the embodiment of the invention provides a kind of two-sided etching to make the method for metal mold solar energy web plate, and it may further comprise the steps: S1: smear or overlay a kind of photosensitive dry film or other photoactive substance uniformly in that selected metal sheet surface is two-sided; S2: will do the above metallic plate two sides exposure of handling, the figure of needs is transferred on photosensitive dry film or other photoactive substance; S3: the metallic plate after will exposing carries out development treatment; S4: the metallic plate after the development treatment is carried out two-sided etching.Having overcome traditional establishment type silk screen has longitude and latitude node, surface irregularity, lower surface and is covered with photopolymer, photopolymer matter is soft, hardness is little, the defective of easy damaged can improve printing quality, finally can improve the transformation efficiency of printing finished product solar cell.
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and replacement, these improvement and replacement also should be considered as protection scope of the present invention.
Claims (10)
1. method that metal mold solar energy web plate is made in two-sided etching is characterized in that it may further comprise the steps:
S1: smear or overlay a kind of photosensitive dry film or other photoactive substance uniformly in that selected metal sheet surface is two-sided;
S2: will do the above metallic plate two sides exposure of handling, the figure of needs is transferred on photosensitive dry film or other photoactive substance;
S3: the metallic plate after will exposing carries out development treatment;
S4: the metallic plate after the development treatment is carried out two-sided etching.
2. the method for two-sided etching making metal mold solar energy web plate according to claim 1 is characterized in that metallic plate selected described in the step S1 can be corrosion resistant plate, nickel plate, all suitable metal mold plates of nickel-base alloy plate.
3. the method for metal mold solar energy web plate is made in two-sided etching according to claim 1, it is characterized in that, also comprises step before the described step S1: selected metallic plate is carried out pre-treatment, as oil removing, processing of rust removing, make the metal surface cleaning.
4. the method for metal mold solar energy web plate is made in two-sided etching according to claim 1, it is characterized in that, in the process of the described exposure transition diagram of described step S2, the figure body shape on metallic plate two sides is identical, and by the accurate contraposition of exposure machine, be used for guaranteeing the position consistency of two sides exposure figure.
5. the method for metal mold solar energy web plate is made in two-sided etching according to claim 1, it is characterized in that, among the described step S3, described developing process is that the metallic plate after the exposure is carried out two-sided development, make the two sides etched part to expose out, and the mask part surface is covered by photoactive substance.
6. the method for metal mold solar energy web plate is made in two-sided etching according to claim 5, it is characterized in that, the exposed figure body position in two sides, back that develops is corresponding, wherein the exposed part of one side is the type that links up, and the pattern that exposed part constitutes is consistent with electrode of solar battery grid line pattern; Be non-coherent type and in addition have the photoactive substance that interweaves, exposed metal covering on the exposed metal covering of one side, the pattern that the bare metal face of non-coherent type constitutes is consistent with electrode of solar battery grid line pattern.
7. the method for two-sided etching making metal mold solar energy web plate according to claim 1 is characterized in that, among the step S4, the pad pasting metallic plate after the exposure is carried out two-sided etching.
8. the method for metal mold solar energy web plate is made in two-sided etching according to claim 7, it is characterized in that, described two-sided being etched to simultaneously carried out, the etching solution pressure parameter on two sides is adjustable, the etching speed that is used for control metallic plate two sides, the back metal covering exposed part that wherein develops is that the one side of coherent type is etched to fluted body at grid line main body place, and another side is etched to reticular pattern.
9. the method for metal mold solar energy web plate is made in two-sided etching according to claim 1, it is characterized in that, described solar energy web plate is made of some main grid lines and some thin grid line vertical interlaceds, the thickness of web plate is 30um ~ 100um, the etched recesses degree of depth accounts for 60% ~ 70% of steel plate thickness, the thin grid line width of etched recesses is 30um ~ 100um, and the main grid live width is 1mm ~ 2mm.
10. the method for two-sided etching making metal mold solar energy web plate according to claim 1 is characterized in that, the metal otter board of making comprises that also the follow-up film that moves back cleans, detects and be fixed on operation on the screen frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210004504.1A CN103192589B (en) | 2012-01-09 | 2012-01-09 | Two-sided etching makes the method for metal mold solar energy web plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210004504.1A CN103192589B (en) | 2012-01-09 | 2012-01-09 | Two-sided etching makes the method for metal mold solar energy web plate |
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| Publication Number | Publication Date |
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| CN103192589A true CN103192589A (en) | 2013-07-10 |
| CN103192589B CN103192589B (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210004504.1A Expired - Fee Related CN103192589B (en) | 2012-01-09 | 2012-01-09 | Two-sided etching makes the method for metal mold solar energy web plate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104760405A (en) * | 2015-03-30 | 2015-07-08 | 桐城运城制版有限公司 | Green printing template production method |
| CN108987527A (en) * | 2017-06-01 | 2018-12-11 | 福建金石能源有限公司 | The method of pattern transfer in a kind of production of solar battery sheet gate line electrode |
| CN109733051A (en) * | 2019-02-20 | 2019-05-10 | 安徽地势坤光电科技有限公司 | Plate making method and plate making system of screen printing plate without net knots |
| CN112423478A (en) * | 2020-10-30 | 2021-02-26 | 常州安泰诺特种印制板有限公司 | Manufacturing method of PCB screen printing type hole plugging air guide plate |
| CN112606544A (en) * | 2020-11-19 | 2021-04-06 | 浙江硕克科技有限公司 | Metal plate and processing technology thereof |
| CN113878979A (en) * | 2021-12-06 | 2022-01-04 | 杭州晶宝新能源科技有限公司 | Manufacturing method of precision template, precision template and application |
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| JP2011194885A (en) * | 2010-02-26 | 2011-10-06 | Kobelco Kaken:Kk | Mesh member for screen printing |
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Patent Citations (5)
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104760405A (en) * | 2015-03-30 | 2015-07-08 | 桐城运城制版有限公司 | Green printing template production method |
| CN108987527A (en) * | 2017-06-01 | 2018-12-11 | 福建金石能源有限公司 | The method of pattern transfer in a kind of production of solar battery sheet gate line electrode |
| CN109733051A (en) * | 2019-02-20 | 2019-05-10 | 安徽地势坤光电科技有限公司 | Plate making method and plate making system of screen printing plate without net knots |
| CN112423478A (en) * | 2020-10-30 | 2021-02-26 | 常州安泰诺特种印制板有限公司 | Manufacturing method of PCB screen printing type hole plugging air guide plate |
| CN112423478B (en) * | 2020-10-30 | 2023-09-15 | 常州安泰诺特种印制板有限公司 | Manufacturing method of PCB mesh type plug hole air guide plate |
| CN112606544A (en) * | 2020-11-19 | 2021-04-06 | 浙江硕克科技有限公司 | Metal plate and processing technology thereof |
| CN113878979A (en) * | 2021-12-06 | 2022-01-04 | 杭州晶宝新能源科技有限公司 | Manufacturing method of precision template, precision template and application |
| CN113878979B (en) * | 2021-12-06 | 2022-03-15 | 杭州晶宝新能源科技有限公司 | Manufacturing method of precision template, precision template and application |
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