CN103373006A - Composite net cloth - Google Patents
Composite net cloth Download PDFInfo
- Publication number
- CN103373006A CN103373006A CN2012101053897A CN201210105389A CN103373006A CN 103373006 A CN103373006 A CN 103373006A CN 2012101053897 A CN2012101053897 A CN 2012101053897A CN 201210105389 A CN201210105389 A CN 201210105389A CN 103373006 A CN103373006 A CN 103373006A
- Authority
- CN
- China
- Prior art keywords
- net
- district
- composite webs
- region
- present
- 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.)
- Granted
Links
Images
Abstract
Provided is a composite net cloth. The net cloth comprises a first net, a second net and at least two first structures. The second net is connected around the first net. The second comprises a first zone and a second zone which are arranged to be opposite to each other. The first structures are arranged in the first zone and the second zone separately. The deformation quantity of the second net is restrained through the first structures, the deformation quantity of the first net is restrained jointly, thus the deformation quantities and ink-dropping quantities of each part of the first net are adjacent and the thickness and width of the printed electrode are uniform.
Description
Technical field
The present invention relates to a kind of composite webs, particularly a kind of in conjunction with two or more materials, and be used for the composite webs of the electrode of printing solar cell.
Background technology
Consult Fig. 1, the electrode of known solar cell 1 comprises at least one converging wires (bus bar) 11, and many laterally extending finger-like wires (finger bar) 12.This electrode is to utilize the screen painting mode to form, screen cloth material according to half tone, half tone can be divided into two kinds: wherein a kind of is the half tone that only comprises metal or only comprise the plastic material screen cloth, another kind of is the composite halftone that comprises the screen cloth of bi-material, because the application improves for composite halftone, thus below only introduce composite halftone.
Consult Fig. 2,3, known composite halftone 2 comprises: be positioned at central authorities wire netting 21, by binding agent 23 be bonded in this wire netting 21 around plastic wire 22, be combined in the screen frame 24 of the periphery of this plastic wire 22, and to should wire netting 21 and in conjunction with and have an emulsion layer (not shown) of predetermined pattern.Wherein, this wire netting 21 is for being used to form the Printing Zone of electrode pattern, and in the wire mark process, the crowded cutter 3 that is used for scraping electrode slurry can contact with this wire netting 21, because this wire netting 21 is wear-resisting and not yielding, can bear scraping of crowded cutter more than 3 time.This plastic wire 22 is because having better elasticity, the main deformation district of whole half tone 2 during as printing, this plastic wire 22 have two between left and right every the first wet end 221, and the second wet ends 222 that arrange before and after two.
Consult Fig. 1,2,3, this squeezes, and cutter 3 has elasticity and it scrapes the bearing of trend that direction (such as Fig. 3 direction of arrow) is parallel to the finger-like wire 12 of this battery 1, because the periphery of this plastic wire 22 connects this screen frame 24, interior week connects this wire netting 21, and in the process that crowded cutter 3 scrapes, squeeze cutter 3 and can impose downward pressure to wire netting 21, this moment plastic wire 22 regional be subject to the strength that pins down of screen cloth tension force stretching can be different, deformation quantity is also different, wherein, screen cloth can be less near the deformation quantity at four angular zone places, all the other regional deformation quantities can be larger, and the deformation quantity difference in these two zones is excessive, cause each position of this wire netting 21 of being connected with this plastic wire 22 also to present height difference, this wire netting 21 is higher near the position of periphery, distant with the battery 1 of below, the position of enclosing in this wire netting 21 is more approaching is lower, (Fig. 3 only is simple signal with the close together of battery 1, do not draw each position of this wire netting 21 and the distance difference between this battery 1), and then make the amount of putting pen to paper at each position of this wire netting 21 variant, cause the electrode structure that prints out as shown in Figure 4, take single finger-like wire 12 as example, this finger-like wire 12 more can be larger by the thickness at place, two ends, and more can be less by the thickness of part of central authorities, this finger-like wire 12 will present phenomenon in uneven thickness.
In addition, it is inhomogeneous that the deformation quantity heterogeneous of plastic wire 22 also can cause the width of each finger-like wire 12 itself.For described finger-like wire 12 each other for, also have in uneven thickness or the irregular even problem of width.Above-mentioned wire problem can affect the consume of battery 1 efficient and electrocondution slurry, and known composite halftone 2 do not have other to change in design, can't cooperate wire mark demand or different functional requirements and changes, so this composite halftone 2 remains to be improved.
Summary of the invention
The object of the present invention is to provide a kind of innovation improvement of composite webs of the elastic construction that changes screen cloth, can be by optimized design, obtain desired wire mark demand, thereby promote the uniformity that prints electrode, to reach the solar cell half tone in design and the demand of using.
Composite webs of the present invention comprises: the first net, and around the second net on every side that is connected to this first net, this second net comprises the first district respect to one another and Second Region.This composite webs also comprises at least two the first structures that are disposed at respectively this first district and this Second Region and are used for the deformation quantity of this second net of constraint.
Composite webs of the present invention, the material of this first net comprises metal.
Composite webs of the present invention, the material of this second net comprises plastics.
Composite webs of the present invention, described the first structure adhere to the first district and the Second Region of this second net.
Composite webs of the present invention, the material of described the first structure comprises macromolecular material.
Composite webs of the present invention, this macromolecular material comprises any one that is selected from AB glue, PUR and epoxide-resin glue.
Composite webs of the present invention, this second the net around also in conjunction with screen frame.
Composite webs of the present invention, described the first structure is located at respectively two inboards of this screen frame, and described the first structure difference this first district of butt and this Second Region.
The bearing of trend of the vertical join line between the composite webs of the present invention, this first district and this Second Region is parallel or vertical with the screen cloth print direction.
Composite webs of the present invention, this second net also comprise the 3rd district and the 4th district of the both sides that are positioned at this first district and Second Region, and this composite webs also comprises at least two the second structures that are disposed at respectively the 3rd district and the 4th district.
Beneficial effect of the present invention is: by the deformation quantity of this second net of described the first structural constraint, and retrain jointly the deformation quantity of this first net, the deformation quantity at each position of this first net is approached, the amount of putting pen to paper approaches, the thickness of the electrode that prints out and width are all comparatively even.
Description of drawings
Fig. 1 is a kind of schematic top plan view of known solar cell;
Fig. 2 is a kind of schematic top plan view of known composite halftone;
Fig. 3 is front view, shows to utilize this composite halftone to cooperate crowded cutter to carry out screen painting;
Fig. 4 is the cross-sectional schematic of getting along the 4-4 line of Fig. 1;
Fig. 5 is the schematic top plan view of the first preferred embodiment of composite webs of the present invention;
Fig. 6 is the schematic top plan view of the second preferred embodiment of composite webs of the present invention;
Fig. 7 is the schematic top plan view of the 3rd preferred embodiment of composite webs of the present invention;
Fig. 8 is the schematic top plan view of the 4th preferred embodiment of composite webs of the present invention;
Fig. 9 is the schematic top plan view of the 5th preferred embodiment of composite webs of the present invention.
The specific embodiment
The present invention is described in detail below in conjunction with drawings and Examples, is noted that in the following description content, and similarly element is to represent with identical numbering.
Consult Fig. 5, the first preferred embodiment of composite webs of the present invention is used for the electrode of printing solar cell, and comprises: the first net 41, the second net 42, and at least two the first structures 43.
The material of the first net 41 of present embodiment comprises metal, is actually a wire netting but is not limited to this, as long as adopt structural strength with respect to this second net the last 42, and the material that is difficult for being out of shape because repeatedly print gets final product.This first net 41 has wear-resisting, on-deformable advantage, can be used as the Printing Zone that contacts with crowded cutter (not shown) in the printing process.
This second net 42 by binding agent 44 center on be connected to this first net 41 around, this second net 42 comprises the first district 421 and Second Region 422 respect to one another, the material of the second net 42 of present embodiment comprises plastics, PE material for example, that is to say and be actually plastic wire but be not limited to this, the material of this second net 42 does not have particular restriction, and is just passable as long as use elasticity is better than the material of this first net 41.This second net 42 has elasticity, the Main Deformation during as printing.In addition, this second net 42 on every side also can be in conjunction with screen frame 45.
The quantity of the first structure 43 of present embodiment is two, and is disposed at respectively the first district 421 and Second Region 422 of this second net 42.Particularly, the material of described the first structure 43 comprises macromolecular material, this macromolecular material comprises any one that is selected from AB glue, PUR and epoxide-resin glue, wherein AB glue is the another name of two liquid mixed hardening glue, one liquid is this glue, one liquid is curing agent, and two liquid phases are mixed could harden the commercially available AB glue that the compositions such as acrylic acid, epoxy, polyurethane are arranged.And PUR is a kind of plastic adhesive, its physical state changes with temperature change in certain temperature range, and chemical characteristic is constant, it is nonpoisonous and tasteless, belong to the environmental-protecting chemical product, common PUR has the EVA PUR, and the EVA PUR is a kind of solid meltability polymer that does not need solvent, moisture-free 100%; It is solid at normal temperatures, and heating and melting becomes and can flow to uniform temperature, and the liquid of certain viscosity is arranged.EVA PUR after the melting is light brown or white.The EVA PUR is become to be grouped into by resin, tackifier, viscosity modifier and antioxidant etc. substantially.This macromolecular material has viscosity in addition, and therefore described the first structure 43 adheres to this first district 421 and Second Region 422.Fill gluing in this first district 421 and Second Region 422 by the first structure 43, and then change the elasticity of this first district 421 and this Second Region 422, mainly be that the elasticity in this two district is diminished, can retrain the deformation quantity of this second net 42, and retrain jointly the deformation quantity of this first net 41.
When so the present invention is used for the electrode of printed battery, although when crowded cutter scrapes, this first district 421 and the and then distortion of this Second Region 422, but because the elasticity in this two district diminishes, deformation quantity also diminishes, so that the deformation quantity at corresponding each position of this first net 41 that is connected with this second net 42 become approach, the amount of putting pen to paper is also more approaching, the thickness of the electrode that prints out and width are all comparatively even.
It is worth mentioning that, when not forming described the first structure 43, the easier deformation in position the closer to central authorities of this second net 42, deformation quantity the closer to the position of periphery is less, therefore present embodiment is designed to the shape of described the first structure 43 little by little to be given prominence to towards the direction of this first net 41 toward central authorities by the left and right sides, the difference that cooperates whereby the holdback force that the zones of different of this second net 42 is subject to, elastic compensating structure with gradual change type provides suitable deformation quantity constraint for different parts, and then can in printing process, the deformation quantity of screen cloth integral body be approached.
Need to prove, about being with Second Region 422, the first district 421 of present embodiment extends, the bearing of trend of the vertical join line 5 between this first district 421 and this Second Region 422 (namely before and after to) and screen cloth print direction (about to, namely squeeze cutter and scrape mobile direction) are vertical.
Consulting table 1, is the thickness of the printed electrode that goes out of a comparative example and screen cloth of the present invention and the measurement data of width, and this comparative example is the electrode that the known screen cloth of Fig. 2 prints out.Because electrode comprises many finger-like wires (can with reference to figure 1), the minimum of table 1/large thickness refers to measure the thickness at diverse location place on the many finger-like wires, and therefrom obtain the minimum of its thickness/greatly value and mean value, and average thickness refers to the thickness average value of many finger-like wires, in like manner, definition and the thickness of each width of table 1 are similar, no longer explanation.
As seen from Table 1, the present invention is for comparative example, and the difference of maximum ga(u)ge of the present invention and average thickness is less, and the difference of minimum thickness and average thickness is also less, represents that the difference in thickness between each bar finger-like wire of the present invention is less.Similarly, the present invention is in the performance of the width uniformity, and it is quite approaching also to be better than haply comparative example, especially Breadth Maximum and mean breadth, and difference is minimum.So the electrode that the present invention prints out has more uniform width and thickness really.
[table 1]
Consult Fig. 6, the second preferred embodiment of composite webs of the present invention, roughly the same with the structure of this first preferred embodiment, different places are: the first district 421 and the Second Region 422 of the second net 42 of present embodiment is positioned at the left and right sides of this second net 42, this first district 421 is with Second Region 422 same filled high polymer materials and each self-forming first structure 43, change whereby the elasticity of the part of this second net 42, retraining the deformation quantity of this second net 42, and then promote the printing uniformity.Need to prove that the bearing of trend of the vertical join line 5 between the first district 421 of present embodiment and this Second Region 422 (about to) and screen cloth print direction (about to) are parallel, so can make the even thickness of the electrode that prints out.Certainly, the first structure 43 of present embodiment also can be designed to the form such as the elastic compensating structure of the gradual change type in the first preferred embodiment, and namely the shape of these the first structure 43 central authorities can than the left and right sides for outstanding, reach the uniform purpose of thickness of electrode with this.
Consult Fig. 7, the 3rd preferred embodiment of composite webs of the present invention, roughly the same with the structure of this first preferred embodiment, different places are: the second net 42 of present embodiment is except comprising relative the first district 421 and Second Region 422, the 3rd district 423 and the 4th district 424 that also comprise the both sides that are positioned at this first district 421 and Second Region 422, and the composite webs of present embodiment also comprises at least two the second structures 46, is disposed at respectively the 3rd district 423 and the 4th district 424.The material of the second structure 46 of present embodiment comprises macromolecular material, this macromolecular material comprises any one that is selected from AB glue, PUR and epoxide-resin glue, this macromolecular material has viscosity, therefore described the second structure 46 is to adhere to the 3rd district 423 and the 4th district 424, and the deformation quantity of four edge regions of this second net 42 all can be suffered restraints.Certainly, the second structure 46 of present embodiment also can be designed to the form such as the elastic compensating structure of the gradual change type in the first preferred embodiment, namely the shape of these the second structure 46 middle sections can than zone, the left and right sides for outstanding, reach the uniform purpose of thickness of electrode with this.
Consult Fig. 8, the 4th preferred embodiment of composite webs of the present invention, roughly the same with the structure of this first preferred embodiment, different places are: the first district 421 of present embodiment all is provided with two the first structures 43 and two the 3rd structures 47 separately with Second Region 422, described the 3rd structure 47 is positioned at the inboard of described the first structure 43, and the constituent of the 3rd structure 47 is different from the first structure 43, so that this second net 42 has respectively large and less tensile strength in the 3rd structure 47 and the first structure 43 places, and then make on this second net 42 elasticity corresponding to the 3rd structure 47 places less than the elasticity corresponding to the first structure 43 places, so can cooperate the deformation quantity size of the different parts of this second net 42 to reach suitable elastic compensating.Need to prove that the constituent of the 3rd structure 47 and the first structure 43 also can be identical, but can increase at the 3rd structure 47 places the loading of macromolecular material, so can reduce equally the elasticity at this position.
Consult Fig. 9, the 5th preferred embodiment of composite webs of the present invention, roughly the same with the structure of this first preferred embodiment, different places are: in fact two the first structures 43 of present embodiment are combined with these screen frame 45 one, described the first structure 43 is located at respectively two inboards of this screen frame 45, and the first district 421 and this Second Region 422 of described the first structure 43 these the second nets 42 of difference butt.Described the first structure 43 all is that little by little the direction towards this first net 41 is outstanding toward central authorities by the left and right sides, and the elastic compensating structure of gradual change type can be provided whereby equally.In other words, because be to adopt the mode of bonding to come combination between screen cloth and the screen frame 45, so by the mode in screen frame 45 these the first structures 43 of design, and with after the first structure 43 and the screen cloth bonding, can produce to screen cloth itself equally the situation of tension change.
Further specify, the part that how to design about the shape of the first structure or the second structure in the technology of the present invention, after can assessing first the distribution and wire mark result of correlation properties between screen frame and screen cloth, screen cloth tensile strength, the shape that should present for described the first structure or the second structure is again done corresponding design, doing optimized design for different half tones, and reach the uniform requirement of fine rule thickness of electrode.And the demand of visual different application, correspondence is designed the different screen cloth of regional area elastic construction, the wire mark demand when meeting different pattern and difference in functionality.
Claims (10)
1. composite webs, it comprises: the first net, and around the second net on every side that is connected to described the first net, described the second net comprises the first district respect to one another and Second Region, it is characterized in that described composite webs also comprises at least two the first structures that are disposed at respectively described the first district and described Second Region and are used for retraining the deformation quantity of described the second net.
2. composite webs according to claim 1 is characterized in that, the material of described the first net comprises metal.
3. composite webs according to claim 1 is characterized in that, the material of described the second net comprises plastics.
4. composite webs according to claim 1 is characterized in that, described the first structure adheres to the first district and the Second Region of described the second net.
5. composite webs according to claim 1 is characterized in that, the material of described the first structure comprises macromolecular material.
6. composite webs according to claim 5 is characterized in that, described macromolecular material comprises any one that is selected from AB glue, PUR and epoxide-resin glue.
7. composite webs according to claim 1 is characterized in that, described second the net around also in conjunction with screen frame.
8. composite webs according to claim 7 is characterized in that, described the first structure is located at respectively two inboards of described screen frame, and described the first structure difference described the first district of butt and described Second Region.
9. composite webs according to claim 1 is characterized in that, the bearing of trend of the vertical join line between described the first district and the described Second Region is parallel or vertical with the screen cloth print direction.
10. composite webs according to claim 1, it is characterized in that, described the second net also comprises the 3rd district and the 4th district of the both sides that are positioned at described the first district and Second Region, and described composite webs also comprises at least two the second structures that are disposed at respectively described the 3rd district and the 4th district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210105389.7A CN103373006B (en) | 2012-04-11 | 2012-04-11 | Composite net cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210105389.7A CN103373006B (en) | 2012-04-11 | 2012-04-11 | Composite net cloth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103373006A true CN103373006A (en) | 2013-10-30 |
| CN103373006B CN103373006B (en) | 2015-07-22 |
Family
ID=49459125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210105389.7A Expired - Fee Related CN103373006B (en) | 2012-04-11 | 2012-04-11 | Composite net cloth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103373006B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269995A (en) * | 2015-09-15 | 2016-01-27 | 赫日光电（苏州）有限公司 | Smooth mirror surface processing technology based on composite screen printing plate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090211620A1 (en) * | 2008-02-25 | 2009-08-27 | Noribachi Llc | Conformal solar power material |
| CN101708668A (en) * | 2009-12-11 | 2010-05-19 | 宁波太阳能电源有限公司 | Scraper for screen printer |
| KR20100071837A (en) * | 2008-12-19 | 2010-06-29 | 주식회사 이건창호 | Screen printing plate, screen printer and dye-sensitized solar cell |
| CN102214725A (en) * | 2010-04-01 | 2011-10-12 | 无锡尚德太阳能电力有限公司 | Printing screen for solar cell and method for producing solar cell |
| CN202088646U (en) * | 2011-04-13 | 2011-12-28 | 昆山良品丝印器材有限公司 | Large-composite-surface-obliquely-stretching composite screen printing plate for amorphous silicon printing |
-
2012
- 2012-04-11 CN CN201210105389.7A patent/CN103373006B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090211620A1 (en) * | 2008-02-25 | 2009-08-27 | Noribachi Llc | Conformal solar power material |
| KR20100071837A (en) * | 2008-12-19 | 2010-06-29 | 주식회사 이건창호 | Screen printing plate, screen printer and dye-sensitized solar cell |
| CN101708668A (en) * | 2009-12-11 | 2010-05-19 | 宁波太阳能电源有限公司 | Scraper for screen printer |
| CN102214725A (en) * | 2010-04-01 | 2011-10-12 | 无锡尚德太阳能电力有限公司 | Printing screen for solar cell and method for producing solar cell |
| CN202088646U (en) * | 2011-04-13 | 2011-12-28 | 昆山良品丝印器材有限公司 | Large-composite-surface-obliquely-stretching composite screen printing plate for amorphous silicon printing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269995A (en) * | 2015-09-15 | 2016-01-27 | 赫日光电（苏州）有限公司 | Smooth mirror surface processing technology based on composite screen printing plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103373006B (en) | 2015-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102636932B (en) | Electrophoretic display sheet and manufacturing method therefor | |
| CN105280836B (en) | A kind of method and flexible display device for preparing flexible cover sheet | |
| CN203554780U (en) | An inner plate of a circuit board and the circuit board | |
| CN206061289U (en) | A kind of FPC pad structures of adapter and FPC | |
| CN103373006A (en) | Composite net cloth | |
| CN206633634U (en) | Self-stick notes paper roll | |
| CN203661407U (en) | FR4 reinforced material grounding | |
| CN208343282U (en) | It is a kind of for making the mold of conducting resinl standard batten | |
| CN205576005U (en) | Two -layer formula protection film of autotomying | |
| CN203433483U (en) | Binding position | |
| CN206851144U (en) | A kind of high conduction FPC structures | |
| CN106808783A (en) | A kind of method for bonding substrate | |
| CN107390937B (en) | Opening structure of GFF touch screen | |
| CN216253360U (en) | Flexible circuit board with uniform binding stress | |
| CN205801767U (en) | A kind of interval arranges the carton of plastic strip | |
| CN206279310U (en) | For the takers-in and loom of loom | |
| CN205723261U (en) | A kind of side key switch and electronic equipment | |
| CN203599678U (en) | Circuit structure for preventing solder paste from permeating into COB welding area in SMT welding process | |
| CN209517616U (en) | Use the FPC of low bounce-back power cover film | |
| CN202428768U (en) | Screen frame for fixing screen board | |
| CN205121511U (en) | Touch apparent product | |
| CN205930575U (en) | Top strap bearing structure | |
| CN202430158U (en) | Double faced adhesive tape capable of bearing force in multiple directions | |
| CN209964363U (en) | Folding FPC | |
| CN207573704U (en) | A kind of molding husband of sister's structure of flexible electric circuit board auxiliary material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20190411 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |