CN103171248B - Design method of printing location point of double-layer solar energy screen board - Google Patents
Design method of printing location point of double-layer solar energy screen board Download PDFInfo
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- CN103171248B CN103171248B CN201110436151.8A CN201110436151A CN103171248B CN 103171248 B CN103171248 B CN 103171248B CN 201110436151 A CN201110436151 A CN 201110436151A CN 103171248 B CN103171248 B CN 103171248B
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- web plate
- anchor point
- layer metal
- electroforming
- screen board
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Abstract
The invention discloses a design method of a printing location point of a double-layer solar energy screen board. The design method comprises the following steps: machining a first metal screen board layer without machining a location point when the first metal mask board layer is made; carrying out sand blasting on the surface of the location point after the first screen board layer is manufactured; preparing a second metal screen board layer by an electroforming method, carrying out exposure and development on a dry film according to a specified marked graph on the specified location of the location point before the second screen board layer is subjected to electroforming; carrying out the second electroforming on the screen board after exposure and development, and forming an upper layer of the screen board, wherein a hollow hole is formed in the exposure position on the second metal screen board layer after electroforming, and the hollow hole is not formed in the position of the first metal screen board layer, corresponding to the exposure position on the second metal screen board layer, and therefore, the contrast ratio of the formed location hole is clear, and the location accuracy is high.
Description
Technical field
The invention belongs to solar cell printing technology, particularly relate to a kind of method for designing of double-deck solar energy screen printing anchor point.
Background technology
The development of solar battery technology is more and more faster, although the forms of electricity generation such as the firepower that its cost is relatively traditional at present will exceed a lot, advocating the 21 century of low-carbon economy energetically, the research of solar battery technology will be one, energy research field key player.
As the important step that crystal silicon cell makes, the performance of printing quality on final cell piece of electrode of solar battery printing has very large impact.And the factor affecting printing quality is except the destabilizing factor that printing machine exists, the performance of Printing screen and printing process have also had a strong impact on final printing quality.The research of solar cell was obtaining very large development in recent years, in order to improve the transformation efficiency of solar battery sheet, reduced the contact resistance of positive electrode, and a kind of positive electrode carries out that the method for twice double exposure is in the field of business to come into vogue.But twice double exposure can exist following problem: misplacing appears in the second printing and the first printing, the width of thin grid line increases, and highly there is no and obviously increase.The consequence that double exposure like this brings is that the depth-width ratio of thin grid line does not increase, and make the illuminating area that accepts of cell piece reduce on the contrary, cell piece transformation efficiency reduces; Meanwhile, twice double exposure also can increase printing cost.
In order to reach higher double exposure effect, the requirement of industry to printing technology is also more and more higher, and the target that twice printing contraposition deviation controls within the scope of 1um proposes new challenge to industry.So the design of anchor point becomes particularly important, can accurately by Printing screen and solar cell substrates contraposition when the effect of anchor point is printing, when preventing from printing, silver slurry is not printed onto on cell substrate, and the printing of more than secondary or secondary can be carried out easily to cell substrate, and more than secondary or secondary print the generation of dislocation-free situation.Secondary printing can improve the height of silver slurry, if but secondary printing contraposition do not talk about accurately, easily occur that silver slurry does not highly increase, and width increases.Like this, solar conversion efficiency step-down.At present, just there is such situation in many solar cell substrates printings.Carry out studying to develop providing a kind of technical scheme so need badly, to solve the defect existed in above-mentioned prior art.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of method for designing of double-deck solar energy screen printing anchor point.
For achieving the above object, technical scheme of the present invention is:
A method for designing for double-deck solar energy screen printing anchor point, comprises the steps:
Make first layer metal web plate: adopting etching, laser cutting or electroforming process to make first layer metal web plate, not making anchor point when making first layer metal web plate;
Blasting treatment is carried out on locating point position surface: after ground floor web plate is made, blasting treatment is carried out on locating point position surface;
Pad pasting, exposure, development: before electroforming second layer metal web plate, first layer metal web plate sticks one deck light-sensitive surface, on the position that anchor point is specified, expose dry film according to the marker graphic of specifying, develop;
Electroforming second layer metal web plate, forms the upper strata of web plate: the web plate after exposure imaging is carried out electrotyping forming, forms the upper strata of web plate; Wherein, the second layer metal web plate after electroforming is in the hole of an exposure place formation hollow out, and first layer metal web plate is to should the place of position be non-perforate, and the locating hole contrast formed like this is clear, and positioning precision is accurate.
Further, described blasting treatment needs locating point position all to be covered.
Further, the shape of described anchor point can be any shape, is dispersed in web plate working region periphery.
Further, described anchor point is four shapes is circular anchor point, and symmetricaerofoil dispersion is in web plate working region surrounding.
The method that the method that the present invention makes anchor point is compared in the past is simpler, only can need complete the exposure that assigned address carries out designated shape when exposing.And the locating point position that this preparation method is formed is accurate, easy to identify, there will not be CCD para-position capture less than situation.
Accompanying drawing explanation
Fig. 1 is the flow chart of the method for designing of the present invention's double-deck solar energy screen printing anchor point.
Fig. 2 is the web plate schematic diagram of the present invention after first time electroforming.
Fig. 3 is the web plate schematic diagram of invention pad pasting exposure after an electroforming.
Fig. 4 is the web plate schematic diagram after the electroforming of the present invention's second time.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to shown in Fig. 1, the method for designing of the present invention's double-deck solar energy screen printing anchor point designs based on the scheme of double layer of metal web plate, and described metal can be any metal material, comprises stainless steel, nickel metal, nickel-base alloy etc.It comprises the steps:
Make first layer metal web plate: adopting the techniques such as etching, laser cutting or electroforming to make first layer metal web plate, not making anchor point when making first layer metal mask plate;
Blasting treatment is carried out on locating point position surface: after first layer metal web plate is made, blasting treatment is carried out on locating point position surface, wherein, how accurate this surface sand-blasting positional precision does not need, and only needs sandblasting locating point position all can be covered;
Pad pasting, exposure, development: before electroforming second layer metal web plate, first layer metal web plate sticks one deck light-sensitive surface, on the position that anchor point is specified, dry film is exposed according to the marker graphic of specifying, develops, wherein the shape of anchor point can be any shape, is dispersed in web plate working region periphery;
Electroforming second layer metal web plate, forms the upper strata of web plate: the web plate after exposure imaging is carried out electrotyping forming, forms the upper strata of web plate.
Second layer metal web plate after electroforming is in the hole of an exposure place formation hollow out, and first layer metal web plate is to should the place of position be non-perforate.Integrally, anchor point can regard half punctum as to double layer of metal web plate, and namely there is the hole of not opening in plate face at location place, and because sandblasting is arranged at bottom, surface-brightening, the locating hole contrast formed like this is clear, and positioning precision is accurate.
As one embodiment of the invention, please refer to shown in Fig. 2 to Fig. 4, the method for designing first electroforming first layer metal web plate of the present invention's double-deck solar energy screen printing anchor point, forms the lower floor of web plate; As shown in Figure 2, it is the web plate schematic diagram after first time electroforming; Anchor point is not made when making first layer metal web plate, after first layer metal web plate is made, blasting treatment is carried out on locating point position surface, wherein this surface sand-blasting positional precision does not need how accurately, only to need sandblasting locating point position all can be covered just passable; When electroforming second layer metal web plate, positioned by the CCD of LDI exposure machine, the position that anchor point is specified exposes dry film according to the marker graphic of specifying, as shown in Figure 3, it is the web plate schematic diagram of pad pasting exposure after an electroforming; Web plate after exposure imaging is carried out second time electroforming, forms the upper strata of web plate.As shown in Figure 4, it is the web plate schematic diagram after second time electroforming, and the web plate upper strata after electroforming becomes the hole 31 of hollow out in exposure place 21, and upper strata is non-perforate in this position.When up and down two-layer integrally time, anchor point can regard half punctum as, and namely there is the hole of not opening in plate face at location place.It is circular anchor point that the present embodiment is provided with four shapes, and symmetricaerofoil dispersion is in web plate working region surrounding.
The method for designing of the present invention's double-deck solar energy screen printing anchor point only can need complete the exposure that assigned address carries out designated shape when exposing, and its locating point position formed is accurate, easy to identify, there will not be CCD para-position capture less than situation.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a method for designing for double-deck solar energy screen printing anchor point, is characterized in that, comprise the steps:
Make first layer metal web plate: adopting etching, laser cutting or electroforming process to make first layer metal web plate, not making anchor point when making first layer metal web plate;
Blasting treatment is carried out on locating point position surface: after first layer metal web plate is made, blasting treatment is carried out on locating point position surface;
Pad pasting, exposure, development: before electroforming second layer metal web plate, stick one deck light-sensitive surface on the surface at first layer metal web plate, at anchor point place, expose dry film according to the marker graphic of specifying, develop;
Electroforming second layer metal web plate, forms the upper strata of web plate: adopted by the web plate after exposure imaging electrocasting method to carry out second time shaping, the upper strata of formation web plate; Wherein, the second layer metal web plate after electroforming is in the hole of an exposure place formation hollow out, and first layer metal web plate is to should the place of position be non-perforate, and the locating hole contrast formed like this is clear, and positioning precision is accurate.
2. the method for designing of double-deck solar energy screen printing anchor point as claimed in claim 1, is characterized in that: locating point position can all cover by described blasting treatment needs.
3. the method for designing of double-deck solar energy screen printing anchor point as claimed in claim 1, is characterized in that: the shape of anchor point can be any shape, is dispersed in web plate working region periphery.
4. the method for designing of double-deck solar energy screen printing anchor point as claimed in claim 2 or claim 3, is characterized in that: described anchor point is four shapes is circular anchor point, and symmetricaerofoil dispersion is in web plate working region surrounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110436151.8A CN103171248B (en) | 2011-12-23 | 2011-12-23 | Design method of printing location point of double-layer solar energy screen board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110436151.8A CN103171248B (en) | 2011-12-23 | 2011-12-23 | Design method of printing location point of double-layer solar energy screen board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103171248A CN103171248A (en) | 2013-06-26 |
| CN103171248B true CN103171248B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110436151.8A Expired - Fee Related CN103171248B (en) | 2011-12-23 | 2011-12-23 | Design method of printing location point of double-layer solar energy screen board |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582219A (en) * | 2012-02-21 | 2012-07-18 | 常熟市方塔涂料化工有限公司 | Method for manufacturing positioning point in dual-layer solar screen printing |
| JP5786906B2 (en) * | 2013-08-02 | 2015-09-30 | オムロン株式会社 | Manufacturing method of electroformed parts |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201020914Y (en) * | 2007-04-23 | 2008-02-13 | 无锡美微科技有限公司 | Double layer nickel metal composite electromoulding printing screen |
| CN101855599A (en) * | 2007-09-20 | 2010-10-06 | 弗赖斯金属有限公司 | Be used on the front of solar cell, forming the electroforming masterplate of spray metal coating |
| JP2010228320A (en) * | 2009-03-27 | 2010-10-14 | Kyoritsu Kagaku Sangyo Kk | Metal mask for forming adhesive rib and method for manufacturing the same |
| WO2011033278A1 (en) * | 2009-09-21 | 2011-03-24 | Dtg International Gmbh | Printing screens and method of fabricating the same |
| CN102079162A (en) * | 2009-12-01 | 2011-06-01 | 北大方正集团有限公司 | Aligning mark and aligning method for screen printing |
| CN102211446A (en) * | 2010-04-06 | 2011-10-12 | 株式会社村田制作所 | Screen printing plate and manufacturing method thereof |
-
2011
- 2011-12-23 CN CN201110436151.8A patent/CN103171248B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201020914Y (en) * | 2007-04-23 | 2008-02-13 | 无锡美微科技有限公司 | Double layer nickel metal composite electromoulding printing screen |
| CN101855599A (en) * | 2007-09-20 | 2010-10-06 | 弗赖斯金属有限公司 | Be used on the front of solar cell, forming the electroforming masterplate of spray metal coating |
| JP2010228320A (en) * | 2009-03-27 | 2010-10-14 | Kyoritsu Kagaku Sangyo Kk | Metal mask for forming adhesive rib and method for manufacturing the same |
| WO2011033278A1 (en) * | 2009-09-21 | 2011-03-24 | Dtg International Gmbh | Printing screens and method of fabricating the same |
| CN102079162A (en) * | 2009-12-01 | 2011-06-01 | 北大方正集团有限公司 | Aligning mark and aligning method for screen printing |
| CN102211446A (en) * | 2010-04-06 | 2011-10-12 | 株式会社村田制作所 | Screen printing plate and manufacturing method thereof |
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| CN103171248A (en) | 2013-06-26 |
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