CN103034050A - High-precision silver grid line screen production method for crystalline silicon solar cells - Google Patents
High-precision silver grid line screen production method for crystalline silicon solar cells Download PDFInfo
- Publication number
- CN103034050A CN103034050A CN2013100139734A CN201310013973A CN103034050A CN 103034050 A CN103034050 A CN 103034050A CN 2013100139734 A CN2013100139734 A CN 2013100139734A CN 201310013973 A CN201310013973 A CN 201310013973A CN 103034050 A CN103034050 A CN 103034050A
- Authority
- CN
- China
- Prior art keywords
- screen
- screen cloth
- silicon solar
- parallel
- grid line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Photovoltaic Devices (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
The invention relates to the technical field of screens, in particular to a high-precision silver grid line screen production method for crystalline silicon solar cells. A screen fabric is formed by weaving a plurality of warps and wefts; each warp and each weft are parallel to or perpendicular to a screen frame respectively; adhesive is coated on the periphery of the screen fabric; and the screen fabric is fixed on the inner side surface of the screen frame after being tightened to form a screen. The high-precision silver grid line screen production method for the crystalline silicon solar cells solves the problems of low screen strike through rate and weak line resolution in the conventional silk screens, reduces break points generated when printing grid lines on crystalline silicon solar cell chips through thoroughly eliminating screen knots in strike through areas, and furthest improves the aperture opening ratio of the silk screens to realize the target of aspect-ratio fine line printing.
Description
Technical field
Invention relates to a kind of manufacturing method of screen, relates in particular to the positive silver grating line manufacturing method of screen of a kind of crystal silicon solar batteries fine.
Background technology
Existing half tone is made flow process and is comprised and throw the net, after the degreasing, coating photosensitive emulsion, exposure, development, form the strike through district of design configuration at screen cloth.In general because printed patterns is to be arranged by the screen cloth mesh to form, silk screen and screen frame are to process according to certain angle when stretching tight net owing to routine, and the anaclasis of wire and scattering phenomenon can cause printed patterns not accurate, imperfect when exposing simultaneously.When becoming screen cloth with braided steel wire, because invar silk surface is glossy in the exposure process, therefore gloss causes anaclasis, if (pattern contour and a certain vertical, the staggered section of transverse steel wire formation triangle section) had the incomplete disappearance of developing in development phase when pattern just consisted of triangle section with screen cloth.In addition, because the point of crossing of warp and parallel is in the repetition in district, a large amount of appearance of developing, effective strike through area reduces when printing is used, simultaneously, slurry can constantly accumulate at anastomose and little Delta Region, be easy to cause network blocking, bargraphs disappearance to form void and draw and the grid that break, cause cell piece grade and electrical property obviously to descend.
Summary of the invention
The technical matters that invention will solve is: the anaclasis of wire and scattering phenomenon can cause printed patterns not accurate during exposure, imperfect, have the incomplete disappearance of developing in development phase, because the point of crossing of warp and parallel is in the repetition in district of developing, a large amount of appearance, effective strike through area reduces when printing is used, simultaneously, slurry can constantly accumulate at anastomose and little Delta Region, be easy to cause network blocking, the bargraphs disappearance forms void and draws and the grid that break, some problems that cause cell piece grade and electrical property obviously to descend provide a kind of crystal silicon solar batteries fine positive silver grating line manufacturing method of screen.
In order to overcome the defective that exists in the background technology, the technical scheme that its technical matters of invention solution adopts is: the positive silver grating line manufacturing method of screen of crystal silicon solar batteries fine may further comprise the steps:
The first step forms screen cloth by the braiding of a plurality of warps and parallel, and each warp and parallel are parallel or perpendicular to screen frame respectively, with the upper sticker of figure around this screen cloth, is fixed on the screen frame medial surface, the formation half tone after screen cloth tightened;
Second step carries out ungrease treatment and roughening treatment on the screen cloth surface;
In the 3rd step, apply one deck photoresists and carry out drying on the screen cloth surface;
The 4th step is according to the position of the warp in the screen cloth manufacturing and parallel and thickness specifications design adapt position and the specific mother matrix of width of grid line;
The 5th step, utilize mother matrix that half tone is exposed, the grid line lines center of guaranteeing to be exposed figure is right against the centre of equidirectional adjacent two warps in the silk screen grid of screen cloth or parallel;
The 6th step, half tone is developed, form the strike through district of particular design figure at screen cloth, this graphics field is corresponding to grid line on the crystal silicon solar batteries sheet.
According to another embodiment of the invention, comprise that further available high precision printer is directly printed exposure figure on the silk screen surface of screen cloth in described the 5th step.
According to another embodiment of the invention, further comprise and describedly the time utilize the CCD camera lens to carry out exactitude position in exposure, the center of exposure figure grid line lines is right against the centre of equidirectional and adjacent in the silk screen grid of screen cloth two warps or parallel.
The beneficial effect of the invention is: the positive silver grating line manufacturing method of screen of this crystal silicon solar batteries fine has been avoided the problem that the half tone strike through rate of conventional silk screen is low, lines are differentiated rate variance, by thorough elimination strike through district anastomose, reduce the breakpoint that produces when grid line prints on the crystal silicon solar batteries sheet, simultaneously maximization promotes the aperture opening ratio of silk screen, can realize the target of the meticulous lines printing of high depth-width ratio.
Description of drawings
Below in conjunction with drawings and Examples invention is further specified.
Fig. 1 is the split type structural representation of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is crystal silicon solar batteries chip architecture schematic diagram of the present invention;
Wherein: 1, screen cloth, 2, sticker, 3, screen frame, 4, photoresists, 5, the strike through district, 6, grid line, 11, warp, 12, parallel.
Embodiment
As shown in Figure 1, the half tone of the positive silver grating line manufacturing method of screen of this crystal silicon solar batteries fine is comprised of screen cloth 1, sticker 2, screen frame 3, photoresists 4, strike through district 5, grid line 6, warp 11 and parallel 12 these parts.
The making step of the positive silver grating line manufacturing method of screen of this crystal silicon solar batteries fine is:
The first step forms screen cloth 1 by 12 braidings of a plurality of warps 11 and parallel, and each warp and parallel are parallel or perpendicular to screen frame 3 respectively, with the upper sticker 2 of figure around this screen cloth 1, is fixed on screen frame 3 medial surfaces, the formation half tone after screen cloth 1 tightened;
Second step carries out ungrease treatment and roughening treatment on screen cloth 1 surface;
In the 3rd step, apply one deck photoresists 4 and carry out drying on screen cloth 1 surface;
The 4th step, the warp 11 in making according to screen cloth 1 and the position of parallel 12 and thickness specifications design adapt position and the specific mother matrix of width of grid line;
The 5th step, utilize mother matrix that half tone is exposed, the grid line lines center of guaranteeing to be exposed figure is right against the centre of equidirectional adjacent two warps 11 in the silk screen grid of screen cloth 1 or parallel 12;
The 6th step, half tone is developed, form the strike through district 5 that can carry out the particular design figure at screen cloth 1, this graphics field is corresponding to grid line 6 on the crystal silicon solar batteries sheet, and as shown in Figure 3, the graphics field is corresponding to grid line 6 on the crystal silicon solar batteries sheet.
The invention provides the positive silver grating line manufacturing method of screen of a kind of crystal silicon solar batteries fine, the problem of avoided the half tone strike through rate of conventional silk screen low, lines being differentiated rate variance, by thorough elimination strike through district anastomose, reduce the breakpoint that produces when grid line prints on the crystal silicon solar batteries sheet, maximization promotes the aperture opening ratio of silk screen, can realize the target of the meticulous lines printing of depth-width ratio.
Implementation column one: as shown in Figure 1, first step middle longitude 11 and parallel 12 are to form wire gauze l for a plurality of tinsels with the braiding that is staggered of mode laterally and longitudinally, tinsel is preferably stainless steel wire, lower elastic deformation amount and high strength are arranged, can guarantee that the pattern of subsequent forming has higher precision size degree.Around screen cloth 1, coat adhesive agent 2, screen cloth l is tightened be fixed on this screen frame 3 inner faces with bonding agent afterwards; Selected screen frame 3 can be metal or nonmetal frame, for example iron, aluminium frame or wooden frame; The half tone of finishing as shown in Figure 2.
In this manufacturing process: the direction of the net that stretches tight is that the direction of warp 11 and parallel 12 is vertical or parallel with screen frame 3, then utilize alkalescent water-based solvent (sodium bicarbonate) or organic solvent (ethanol) to carry out ungrease treatment to the screen net structure of screen cloth 1, recycling hypochlorous acid or watery hydrochloric acid carry out roughening treatment to the silk screen surface.Apply photoresists 4 and carry out drying in order to the usefulness of exposure on the silk screen surface at last; Simultaneously, during according to the size of mesh opening designing and making of silk screen exposure mother matrix, should guarantee the grid element center position consistency that the position of grid line lines all on the mother matrix need to form with equidirectional adjacent warp 11 or parallel 12, then this exposure mother matrix accurately is placed on the middle of half tone, by fine setting, every grid line guaranteeing mother matrix is placed on the equidirectional adjacent warp 11 of its correspondence or the grid middle that parallel 12 forms, and then carries out the exposure imaging operation.
Implementation column two: exposure image can also utilize the high precision printer directly all grid line figures to be printed on the formal Novel net plate of formation that exposes, develops behind the middle of the 11 or 12 equidirectional adjacent grids that form that need to form grid line by root.
The time can utilize several CCD camera lenses to carry out exactitude position in exposure, the center of exposure figure grid line lines is right against the centre of equidirectional and adjacent in the silk screen grid of screen cloth 1 two warps 11 or parallel 12.
Because screen cloth l passes through roughening treatment in advance, warp 11, parallel 12 surface glosses descend, simultaneously because smooth vertical and horizontal mode when stretching tight net, the lines of figure are parallel with warp, the anastomose that graph area can not occur intersecting and big and small Delta Region, make and can not produce refraction and scattering phenomenon in the exposure process, can the pattern of mother matrix fully be exposed, so after developing, the result who makes than normal conditions at the photosensitive layer of strike through district tangent line part is neat, can not be formed with in the mesh corner the incomplete phenomenon of developing, use this half tone printing can obtain distinctness and the correct pattern of size, the most important thing is, the aperture opening ratio of the figure that forms significantly surpasses conventional half tone production method, according to calculating the aperture opening ratio that can improve more than 30%, can realize improving the slurry transmitance more than 30%, realize high-quality print result.
Claims (3)
1. positive silver grating line manufacturing method of screen of crystal silicon solar batteries fine is characterized in that: may further comprise the steps:
The first step, form screen cloth (1) by a plurality of warps (11) and parallel (12) braiding, each warp is distinguished parallel with parallel or perpendicular to screen frame (3), this screen cloth (1) is coated sticker (2) all around, be fixed on screen frame (3) medial surface after screen cloth (1) tightened, form half tone;
Second step carries out ungrease treatment and roughening treatment on screen cloth (1) surface;
In the 3rd step, apply one deck photoresists (4) and carry out drying on screen cloth (1) surface;
The 4th step, the warp (11) in making according to screen cloth (1) and the position of parallel (12) and thickness specifications design adapt position and the specific mother matrix of width of grid line;
The 5th step, utilize mother matrix that half tone is exposed, the grid line lines center of guaranteeing to be exposed figure is right against in the silk screen grid of screen cloth (1) equidirectional adjacent two warps (11) or the centre of parallel (12);
The 6th step, half tone is developed, can carry out the strike through district (5) of particular design figure in the upper formation of screen cloth (1), this graphics field is corresponding to grid line (6) on the crystal silicon solar batteries sheet.
2. the positive silver grating line manufacturing method of screen of crystal silicon solar batteries fine as claimed in claim 1 is characterized in that: available high precision printer is directly printed exposure figure on the silk screen surface of screen cloth (1) in described the 5th step.
3. the positive silver grating line manufacturing method of screen of crystal silicon solar batteries fine as claimed in claim 1, it is characterized in that: utilize the CCD camera lens to carry out exactitude position when exposure, the center of exposure figure grid line lines is right against the centre of two warps (11) or parallel (12) equidirectional and adjacent in the silk screen grid of screen cloth (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100139734A CN103034050A (en) | 2013-01-15 | 2013-01-15 | High-precision silver grid line screen production method for crystalline silicon solar cells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100139734A CN103034050A (en) | 2013-01-15 | 2013-01-15 | High-precision silver grid line screen production method for crystalline silicon solar cells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103034050A true CN103034050A (en) | 2013-04-10 |
Family
ID=48021068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100139734A Pending CN103034050A (en) | 2013-01-15 | 2013-01-15 | High-precision silver grid line screen production method for crystalline silicon solar cells |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103034050A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301908A (en) * | 2014-06-25 | 2016-02-03 | 仓和股份有限公司 | Surface atomization method for screen material |
| CN105489665A (en) * | 2015-12-11 | 2016-04-13 | 江阴鑫辉太阳能有限公司 | Method for printing auxiliary grid lines of solar cell piece |
| CN106274039A (en) * | 2016-08-16 | 2017-01-04 | 昆山良品丝印器材有限公司 | Crystalline silicon printing half tone and mask-making technology thereof |
| CN106827781A (en) * | 2017-01-22 | 2017-06-13 | 赫日光电（苏州）有限公司 | A kind of preparation method of version of efficiently being knotted without net |
| CN107515515A (en) * | 2017-09-04 | 2017-12-26 | 沃苏特电子科技（苏州）有限公司 | A kind of efficiently zero degree half tone manufacture craft |
| CN107512074A (en) * | 2017-07-10 | 2017-12-26 | 苏州矽美仕绿色新能源有限公司 | A kind of typography without net netting version |
| CN107757069A (en) * | 2016-08-19 | 2018-03-06 | 仓和股份有限公司 | Manufacturing method of screen with composite net |
| CN108608724A (en) * | 2016-12-09 | 2018-10-02 | 常州三立精图光电有限公司 | It is a kind of without net knot version design method |
| CN109094177A (en) * | 2018-08-14 | 2018-12-28 | 江西鸿格科技有限公司 | A kind of mask-making technology without net knot printing screen plate |
| CN111703184A (en) * | 2020-06-19 | 2020-09-25 | 沃苏特电子科技（苏州）有限公司 | Manufacturing method of high-opening SE (selective emitter) screen printing plate without net knots |
| CN115107348A (en) * | 2022-07-15 | 2022-09-27 | 贵州达沃斯光电有限公司 | Film printing screen |
| WO2023272779A1 (en) * | 2021-07-02 | 2023-01-05 | 深圳纳弘熠岦光学科技有限公司 | Method for manufacturing electrodes of solar cell sheets, and solar cell |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576710A (en) * | 2008-05-08 | 2009-11-11 | 上海德科电子仪表有限公司 | Printing method for realizing vignetting effectof automobile instrument dial |
| CN202058761U (en) * | 2011-06-10 | 2011-11-30 | 江西升阳光电科技有限公司 | Screen printing crystalline silica solar energy cell positive silver screen printing plate |
| CN102653160A (en) * | 2011-03-04 | 2012-09-05 | 仓和有限公司 | Method for preparing screen for printing |
| CN202564379U (en) * | 2012-05-28 | 2012-11-28 | 天威新能源控股有限公司 | Screen structure of solar cell |
| CN202573247U (en) * | 2012-04-10 | 2012-12-05 | 昆山允升吉光电科技有限公司 | Metal screen cloth |
-
2013
- 2013-01-15 CN CN2013100139734A patent/CN103034050A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576710A (en) * | 2008-05-08 | 2009-11-11 | 上海德科电子仪表有限公司 | Printing method for realizing vignetting effectof automobile instrument dial |
| CN102653160A (en) * | 2011-03-04 | 2012-09-05 | 仓和有限公司 | Method for preparing screen for printing |
| CN202058761U (en) * | 2011-06-10 | 2011-11-30 | 江西升阳光电科技有限公司 | Screen printing crystalline silica solar energy cell positive silver screen printing plate |
| CN202573247U (en) * | 2012-04-10 | 2012-12-05 | 昆山允升吉光电科技有限公司 | Metal screen cloth |
| CN202564379U (en) * | 2012-05-28 | 2012-11-28 | 天威新能源控股有限公司 | Screen structure of solar cell |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301908A (en) * | 2014-06-25 | 2016-02-03 | 仓和股份有限公司 | Surface atomization method for screen material |
| CN105489665A (en) * | 2015-12-11 | 2016-04-13 | 江阴鑫辉太阳能有限公司 | Method for printing auxiliary grid lines of solar cell piece |
| CN106274039A (en) * | 2016-08-16 | 2017-01-04 | 昆山良品丝印器材有限公司 | Crystalline silicon printing half tone and mask-making technology thereof |
| CN107757069A (en) * | 2016-08-19 | 2018-03-06 | 仓和股份有限公司 | Manufacturing method of screen with composite net |
| CN108608724A (en) * | 2016-12-09 | 2018-10-02 | 常州三立精图光电有限公司 | It is a kind of without net knot version design method |
| CN106827781A (en) * | 2017-01-22 | 2017-06-13 | 赫日光电（苏州）有限公司 | A kind of preparation method of version of efficiently being knotted without net |
| CN107512074A (en) * | 2017-07-10 | 2017-12-26 | 苏州矽美仕绿色新能源有限公司 | A kind of typography without net netting version |
| CN107515515A (en) * | 2017-09-04 | 2017-12-26 | 沃苏特电子科技（苏州）有限公司 | A kind of efficiently zero degree half tone manufacture craft |
| CN109094177A (en) * | 2018-08-14 | 2018-12-28 | 江西鸿格科技有限公司 | A kind of mask-making technology without net knot printing screen plate |
| CN111703184A (en) * | 2020-06-19 | 2020-09-25 | 沃苏特电子科技（苏州）有限公司 | Manufacturing method of high-opening SE (selective emitter) screen printing plate without net knots |
| WO2023272779A1 (en) * | 2021-07-02 | 2023-01-05 | 深圳纳弘熠岦光学科技有限公司 | Method for manufacturing electrodes of solar cell sheets, and solar cell |
| CN115107348A (en) * | 2022-07-15 | 2022-09-27 | 贵州达沃斯光电有限公司 | Film printing screen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103034050A (en) | High-precision silver grid line screen production method for crystalline silicon solar cells | |
| CN106274023B (en) | Composite net manufacturing method thereof | |
| CN110039883A (en) | A kind of production method of metal alloy composite halftone | |
| CN102109714B (en) | Oriented layer and preparation method thereof, comprise the liquid crystal indicator of this oriented layer | |
| CN106274028A (en) | A kind of manufacture method of steel form composite wire printing screen plate | |
| CN110039884A (en) | A kind of production method of multi-angle or zero degree halftone | |
| CN102653160A (en) | Method for preparing screen for printing | |
| CN105172345A (en) | Solar cell printing screen plate and platemaking method thereof | |
| CN108608724A (en) | It is a kind of without net knot version design method | |
| TWI644803B (en) | Screen structure of finger electrode for screen printing solar cell and manufacturing method thereof | |
| CN105858591B (en) | A kind of metal micro structure and preparation method thereof | |
| CN108274886A (en) | Without net netting version wire casing structure and its graphic printing technique and cell piece obtained | |
| CN103192589A (en) | Method for making solar metal screen through two-surface etching | |
| CN109275278B (en) | Solder mask process method for improving solder mask ghost | |
| CN210174381U (en) | Multi-angle or zero-angle screen printing plate | |
| CN202528559U (en) | Electrode printing mask of solar cell | |
| US20150352831A1 (en) | Screen Printing Apparatus Including Support Bars, And Methods Of Using Same | |
| TW201235223A (en) | Method for making screen plate for printing | |
| CN210881287U (en) | 3D screen printing plate for printing ink printing | |
| JP4488589B2 (en) | Manufacturing method of mesh and pattern integrated screen mask for precision printing | |
| TWI656981B (en) | Screen printing | |
| CN103042818A (en) | Screen printing plate structure | |
| CN103171256B (en) | Electrode of solar battery printing mask board and manufacture method thereof | |
| CN110126438B (en) | Method for manufacturing non-flat surface printing screen | |
| TWI566950B (en) | Composite material network process method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130410 |