CN103182833A - Printing template with stress buffering structures - Google Patents
Printing template with stress buffering structures Download PDFInfo
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- CN103182833A CN103182833A CN201110450007XA CN201110450007A CN103182833A CN 103182833 A CN103182833 A CN 103182833A CN 201110450007X A CN201110450007X A CN 201110450007XA CN 201110450007 A CN201110450007 A CN 201110450007A CN 103182833 A CN103182833 A CN 103182833A
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- printing
- metal forming
- stress buffer
- printing stencil
- buffer structures
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Abstract
The invention relates to a printing template with stress buffering structures. The printing template mainly comprises a screen frame, a support net around which the screen frame is fixed and a metal foil fixed in the middle of the support net, wherein the metal foil is provided with a plurality of openings through which a printing material can pass, a plurality of elastic stress buffering structures are formed on the contact surface, which is in contact with a printed object, of the metal foil, and a plurality of baffle areas are formed among the stress buffering structures to partition all the openings in the metal foil into a plurality of blocks, so that sinking and vibrating generated when a scraper is in contact with the metal foil can be dispersed and relieved.
Description
Technical field
The present invention relates to a kind of printing stencil, refer to a kind of operplate printing masterplate with stress buffer structure especially.
Background technology
A notable feature of screen painting is for obtaining the ink film thickness bigger than other coating techniques.Therefore, when needs have about from 5 to 100 μ m or during bigger ink film thickness, screen painting also is best manufacturing process option, this makes that screen painting is best manufacturing process option to being used for printing solar cell, electronic equipment etc.
Generally speaking, printing screen plate opens the grenadine of thin,tough silk, nylon, Te Duolong, stainless steel silk thread, the formed cubic type of metal foil version on tetragonal screen frame, and its tensioning is fixed, form edition mould to block the mesh of open region outside the strike through district through the photographic optics mode again.As mentioned above, the zone of grenadine by non-permeable material such as a kind of macromolecular material or metal foil versions as the separating of figure, and the printing plate mould that forms, anti-non-graph area is every the zone of space for manifesting.
See also Fig. 1 and Fig. 2, for the schematic diagram of traditional printing masterplate and the schematic diagram when using scrape printing cutter.Known printing stencil for the printed metal layer structure, for example paste solder printing operation, this printing stencil mainly comprises screen frame 10, be bonded to the middle metal forming 30 that the supporting network 20 (not limiting plastic wire, woven wire or other tool hatch frame thing) of an opening is arranged and be bonded to the opening of supporting network 20 on the screen frame all around, and have a plurality of openings 31 (material feeding hole) that can see through printing material 40 (as tin cream) on the metal forming 30.
During the paste solder printing operation printing stencil is set up on the printed material (not shown) of presswork, printing material 40 (as tin cream) on the metal forming 30 with scrape printing cutter 30 by the strength that presses down and push forward, printing material 40 is passed predetermined a plurality of openings 31 of metal forming 30, drop down onto the precalculated position on the printed material.
But, existing industry trend development, electronic component is more and more littler, and the size of preprinted figure is also more and more littler, and the spacing between printing material 40 (as tin cream) is also more and more littler, and metal forming 30 is also more and more thinner, therefore requires more and more higher to printing precision.
Precision and the position of metal forming 30 upper sheds 31 sizes have been set in making metal forming 30 (not limiting etching, laser or electroforming makes) time.When scrape printing cutter 30 contacts with metal forming 30 during printing, the pressing down strength and can cause the trace of metal forming 30 to sink and vibrations a little of scrape printing cutter 50, and when scrape printing cutter 50 scrapes forward, because the opening 31 in indefinite zone is arranged on the metal forming 30, also cause scrape printing cutter 50 to produce different resistance and frictional force with printing material 40 in indefinite zone, causing the microseismic activity of metal forming 30 to make printing material 40 produce skew, is example with paste solder printing technology, and the skew of easily sinking forms Xi Qiao.
Having a distance element between (contact printing does not have from version spacing or contactless being printed with from the version spacing) printing stencil and printed material during printing, is the linearity sector when contacting with metal forming 30 except scrape printing cutter 50, and all the other large-area metal paper tinsel 30 surfaces are unsettled.This moment scrape printing cutter 50 press down strength, the frictional force that scrape printing cutter 50 moves ahead and run into the resistance of printing material 40, the capital allows metal forming 30 microseismic activities when being printed with from the version spacing (particularly contactless) of unsettled and very thin thickness, therefore can cause printing material 40 saturating material not exclusively, saturating material level offset moves, prints shortcomings such as fraction defective height and printing stencil life-span be long.
Summary of the invention
So, for solving the aforesaid drawbacks, the object of the present invention is to provide a kind of printing stencil of tool stress buffer, make scrape printing cutter on the metal forming when scraping, downforce is disperseed, and does not concentrate on single-point or the line, avoids metal forming to sink and distortion, printing precision is improved, and the life-span of printing stencil also can increase.
In order to achieve the above object, the present invention discloses a kind of printing stencil of tool stress buffer, this printing stencil mainly comprises a screen frame, be bonded to a supporting network of screen frame all around, be bonded to the middle metal forming of supporting network, and have a plurality of openings that can see through printing material on this metal forming, it is characterized in that: connecing that this metal forming contacts with printed material forms a plurality of rubber-like stress buffer structures on the object plane, form a plurality of baffle areas between those stress buffer structures and divide into a plurality of blocks with all on this metal forming, in order to sinking and vibrations of disperseing to produce when slowing down scrape printing cutter contacting metal paper tinsel.
Wherein, those stress buffer structures are polymeric membrane; And those stress buffer structures are strip, the block of cells figure, or the mixing of strip and block of cells figure is formed.
The invention has the advantages that to have certain elasticity with buffering and the strength that presses down of disperseing scrape printing cutter by this stress buffer structure, avoid sinking and vibrations of metal forming.Form the baffle area between a plurality of stress buffer structures, when scraping, allow microseismic activity and the distortion of metal forming be confined in the Minimum Area, and in Minimum Area, make the printing scrape printing cutter promote forward in from version, significantly improve on tradition after printing simultaneously large tracts of land from version, and improve the problem of overall printing material shifts, be example with the paste solder printing operation, significantly improve whole tin bulb part and owe tin or broken tin situation to improve process rate, and then make the saturating material of tin cream more stable more complete, it is more accurate to meet the high precision printing that material level is put, suitable support force also reduces notch distortion under the metal forming, makes the metal forming life-span longer.This case structure applies to the printing of IC support plate, semiconductor packages, chip package (Flip-Chip) technology and various high precision paste solder printing especially.
Description of drawings
Fig. 1 is the schematic diagram of traditional printing masterplate.
Schematic diagram when Fig. 2 uses scrape printing cutter for the traditional printing masterplate.
Fig. 3 is the enforcement schematic diagram one of printing stencil of the present invention.
Fig. 4 is the enforcement schematic diagram two of printing stencil of the present invention.
Fig. 5 is the enforcement schematic diagram three of printing stencil of the present invention.
Fig. 6 is the generalized section of printing stencil of the present invention.
Schematic diagram when Fig. 7 uses scrape printing cutter for printing stencil of the present invention.
Description of reference numerals:
10: screen frame; 20: supporting network; 30: metal forming; 31: opening; 40: printing material; 50: scrape printing cutter; 100: screen frame; 200: supporting network; 300: metal forming; 310: opening; 321: connect object plane; 322: scrape face; 330: the stress buffer structure; 340: the baffle area; 400: printing material; 500: scrape printing cutter.
The specific embodiment
For detailed content of the present invention and technical descriptioon, now be described further with embodiment, but will be appreciated that these embodiment are the usefulness for illustrating only, and should not be interpreted as restriction of the invention process.
See also Fig. 3 to Fig. 5, be the enforcement schematic diagram of printing stencil of the present invention.A kind of printing stencil of tool stress buffer, this printing stencil mainly comprises a screen frame 100, be bonded to a supporting network 200 of screen frame 100 all around, be bonded to the metal forming 300 on supporting network 200 middle openings, and have a plurality of openings 310 (material feeding hole) that can see through printing material on this metal forming 300.
This screen frame 100 can be the casting frame, aluminium frame or material formed thereby, consider typography just, screen frame 100 is made generally in rectangle frame; This supporting network 200 can be Te Duolong net, nylon wire or the formed synthetic fibers grenadine of other tool elastic materials, or woven wire; This metal forming 300 can be various metal materials such as stainless steel, nickel, copper, and not limiting thickness, and metal forming 300 is bonded to this supporting network 200 with solid, and its set technique is known technology, and non-this patent emphasis, does not add to give unnecessary details at this.
Connecing that this metal forming 300 contacts with printed material forms a plurality of rubber-like stress buffer structures 330 on the object plane 321, and all openings 310 are separated by the baffle area 340 that forms between those stress buffer structures 330 on this metal forming, in order to sinking of disperseing to produce when slowing down scrape printing cutter and contact this metal forming 300 and shake.
Wherein, this stress buffer structure 330 is polymeric membrane; This stress buffer structure 330 can be strip (as shown in Figure 3), distinguishes openings 310 all on this metal forming 300 in different baffle areas 340 by strip.Or this stress buffer structure 330 is the arrangement of block of cells figure, block of cells figure such as round (as shown in Figure 4), square type (as shown in Figure 5), by openings 310 all on this metal forming 300 of block of cells graphical demarcation in different baffle areas 340.Or this stress buffer structure 330 also can be strip and block of cells figure such as round, and the mixing of square type etc. is formed.
In the enforcement, those stress buffer structures 330 have certain support force, certain elasticity is arranged and are not damaged to printed material.Those stress buffer structures 330 can be bonded on the metal forming 300 in any way, its quantity, size, elasticity (soft or hard), shape (square, circular, rectangular or different shape), layout area, thickness, expect that various factors such as thickness and whole figure design thoroughly at area of the pattern, opening 310 sizes, printing material (as the tin cream) characteristic that can arrange according to metal forming 300 upper sheds 310.The suitable anti-mechanicalness of these stress buffer structure 330 tools is reaching suitable support force and wearability, and the good anti-chemistry of tool, can anti-all kinds of solvents, chemical agent such as scaling powder, cleaning agent.
Please consult Fig. 6 and Fig. 7 again, be the generalized section of printing stencil of the present invention, reach the schematic diagram when using scrape printing cutter.See through this case structure, during printing (contact printing does not have from version spacing or contactless being printed with from the version spacing), when scrape printing cutter 500 presses down when touching metal forming 300, because the baffle area 340 that forms between those stress buffer structures 330, so this scrape printing cutter 500 scrapes printing material 400 at the face that scrapes 322 of metal forming 300, stress buffer structure 330 on the metal forming 300 of these baffle area 340 peripheries can with the printed material driving fit, has certain flexible stress buffer structure 330, the buffering stress that presses down of scrape printing cutter 500 and slow down metal forming 300 microseismic activities, along with scrape printing cutter 500 scrapes forward again, the stress buffer structure 330 of different baffle areas 340 peripheries can continue to slow down the microseismic activity of metal forming 300.
The baffle area 340 that forms between those stress buffer structures 330, also intercepted the outside continuity of metal forming 300 vibrations and be only limited in the minimum zone, the baffle area 340 of those stress buffer structures 330 also makes the metal forming 300 in this district that this scrape printing cutter 500 promotes simultaneously from version forward, significantly improve on tradition after printing simultaneously metal forming 300 large tracts of land from version.Be example with paste solder printing technology, the printing stencil of this structure can improve whole tin bulb part and owe tin or broken tin situation to improve process rate.Because the microseismic activity of metal forming 300 can slow down, the saturating material level of tin cream put can more accurate material more stable with fully.And the stress buffer structure 330 of a plurality of difformities and size, also allow scrape printing cutter 500 downforce disperse, do not concentrate on single-point or the line, avoid metal forming 300 to sink and distortion, under the more and more higher requirement of printing precision, the thickness of printing stencil will be more and more thinner, therefore the intensity of metal forming 300 can reduce with stability, slow down the coining that metal forming 300 is born by stress buffer structure 330, and the printing precision raising, the life-span of printing stencil also can increase.
The above, it only is preferred embodiment of the present invention, when not limiting scope of the invention process with this, namely the simple equivalent of in every case doing according to claim of the present invention and invention description content changes and modifies, and all still belongs in the scope that patent of the present invention contains.
Claims (5)
1. the printing stencil of a tool stress buffer, this printing stencil comprises: a screen frame; Be bonded to a supporting network of screen frame all around; Be bonded to the middle metal forming of supporting network, and have a plurality of openings that can see through printing material on this metal forming, it is characterized in that:
Connecing that this metal forming contacts with printed material forms a plurality of rubber-like stress buffer structures on the object plane, form a plurality of baffle areas between those stress buffer structures and divide into a plurality of blocks with all on this metal forming, in order to disperse and to slow down sinking of producing when scrape printing cutter contacts this metal forming and shake.
2. printing stencil according to claim 1 is characterized in that, those stress buffer structures are polymeric membrane.
3. printing stencil according to claim 1 is characterized in that, those stress buffer structures are strip.
4. printing stencil according to claim 1 is characterized in that, those stress buffer structures are the block of cells figure.
5. printing stencil according to claim 1 is characterized in that, those stress buffer structures are strip and block of cells figure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110450007XA CN103182833A (en) | 2011-12-29 | 2011-12-29 | Printing template with stress buffering structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110450007XA CN103182833A (en) | 2011-12-29 | 2011-12-29 | Printing template with stress buffering structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103182833A true CN103182833A (en) | 2013-07-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110450007XA Pending CN103182833A (en) | 2011-12-29 | 2011-12-29 | Printing template with stress buffering structures |
Country Status (1)
| Country | Link |
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| CN (1) | CN103182833A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108232A (en) * | 2014-06-25 | 2014-10-22 | 广东风华高新科技股份有限公司 | Screen printing device for small-size capacitor and manufacturing method for small-size capacitor |
| CN104191806A (en) * | 2014-07-31 | 2014-12-10 | 广东风华高新科技股份有限公司 | Silk-screen printing equipment of small-size capacitor and manufacturing method of small-size capacitor |
Citations (7)
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|---|---|---|---|---|
| DE29708329U1 (en) * | 1997-05-09 | 1997-09-04 | Becker Reiner | Screen printing stencil for pasty print media |
| US20090025581A1 (en) * | 2007-07-27 | 2009-01-29 | Samsung Electro-Mechanics Co., Ltd. | Mask for screen printing and screen printing method using the same |
| JP2009241301A (en) * | 2008-03-28 | 2009-10-22 | Mitsubishi Paper Mills Ltd | Mask for screen printing |
| KR20100060855A (en) * | 2008-11-28 | 2010-06-07 | 삼성전기주식회사 | Mask for printing and printing apparatus having the same |
| CN201736510U (en) * | 2010-07-02 | 2011-02-09 | 正中科技股份有限公司 | Metal foil printing stencil |
| CN102039718A (en) * | 2010-09-27 | 2011-05-04 | 常熟市福亿印花炼染有限公司 | Novel silk screen printing plate |
| CN202378393U (en) * | 2011-12-29 | 2012-08-15 | 正中科技股份有限公司 | Printing template with stress buffering |
-
2011
- 2011-12-29 CN CN201110450007XA patent/CN103182833A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29708329U1 (en) * | 1997-05-09 | 1997-09-04 | Becker Reiner | Screen printing stencil for pasty print media |
| US20090025581A1 (en) * | 2007-07-27 | 2009-01-29 | Samsung Electro-Mechanics Co., Ltd. | Mask for screen printing and screen printing method using the same |
| JP2009241301A (en) * | 2008-03-28 | 2009-10-22 | Mitsubishi Paper Mills Ltd | Mask for screen printing |
| KR20100060855A (en) * | 2008-11-28 | 2010-06-07 | 삼성전기주식회사 | Mask for printing and printing apparatus having the same |
| CN201736510U (en) * | 2010-07-02 | 2011-02-09 | 正中科技股份有限公司 | Metal foil printing stencil |
| CN102039718A (en) * | 2010-09-27 | 2011-05-04 | 常熟市福亿印花炼染有限公司 | Novel silk screen printing plate |
| CN202378393U (en) * | 2011-12-29 | 2012-08-15 | 正中科技股份有限公司 | Printing template with stress buffering |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108232A (en) * | 2014-06-25 | 2014-10-22 | 广东风华高新科技股份有限公司 | Screen printing device for small-size capacitor and manufacturing method for small-size capacitor |
| CN104191806A (en) * | 2014-07-31 | 2014-12-10 | 广东风华高新科技股份有限公司 | Silk-screen printing equipment of small-size capacitor and manufacturing method of small-size capacitor |
| CN104191806B (en) * | 2014-07-31 | 2016-07-06 | 广东风华高新科技股份有限公司 | The screen printing apparatus of small size capacitor and the manufacture method of small size capacitor |
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Application publication date: 20130703 |