CN202378393U - Printing template with stress buffering - Google Patents
Printing template with stress buffering Download PDFInfo
- Publication number
- CN202378393U CN202378393U CN2011205621289U CN201120562128U CN202378393U CN 202378393 U CN202378393 U CN 202378393U CN 2011205621289 U CN2011205621289 U CN 2011205621289U CN 201120562128 U CN201120562128 U CN 201120562128U CN 202378393 U CN202378393 U CN 202378393U
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- China
- Prior art keywords
- printing
- metal forming
- stress buffer
- printing stencil
- buffer structures
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- Screen Printers (AREA)
Abstract
A printing template with stress buffering mainly comprises a screen frame, a support net with periphery fixed on the screen frame and a metal foil fixed in the middle of the support net. The metal foil is provided with a plurality of openings capable of penetrating through a printing material, a plurality of stress buffering structures with elasticity are formed on an object receiving face between the metal foil and an object to be printed, a plurality of separating areas are formed between the stress buffering structures to enable all openings on the metal foil to be separated into a plurality of area blocks and be used for spreading and retarding sinking and vibration produced when a scratching knife is contacted with the metal foil.
Description
Technical field
The utility model relates to a kind of printing stencil, refers 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 stated, the zone of grenadine is separated as the district of figure by non-permeable material such as a kind of macromolecular material or metal foil versions, and the printing plate mould that forms, anti-non-graph area is at a distance from the zone of space for manifesting.
See also Fig. 1 and Fig. 2, for the sketch map of traditional printing masterplate and the sketch map when using scrape printing cutter.Convention is used for the printing stencil of 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 (like 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 (like 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 (like tin cream) is also more and more littler, and metal forming 30 is also more and more thinner, therefore requires increasingly high to printing precision.
The 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 scrape printing cutter 50 is when scraping forward, because of 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 in indefinite zone with printing material 40; 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 that is prone to sink 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 that 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 lets metal forming 30 microseismic activities (particularly contactless be printed with from version during spacing) of unsettled and very thin thickness, therefore can cause printing material 40 pass through material not exclusively, pass through the material level offset and move, print shortcomings such as fraction defective height and printing stencil life-span be long.
The utility model content
So for solving the aforesaid drawbacks, the purpose of the utility model 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 a 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.
For reaching above-mentioned purpose; The utility model discloses a kind of printing stencil of tool stress buffer; This printing stencil mainly comprises a screen frame, is bonded to a supporting network of screen frame all around, is 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: this metal forming contacts with printed material connects and forms a plurality of rubber-like stress buffer structures on the object plane, forms a plurality of baffle areas between those stress buffer structures and divides into a plurality of blocks with all on this metal forming, sink and vibrations in order to what disperse 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 advantage of the utility model is to have certain elasticity with buffering and the strength that presses down of disperseing scrape printing cutter through this stress buffer structure, avoids sinking and vibrations of metal forming.Form the baffle area between a plurality of stress buffer structures, when scraping, let the microseismic activity of metal forming and distortion be confined in the Minimum Area, and leave version when the printing scrape printing cutter is promoted forward; Significantly improve on tradition while large tracts of land after printing and leave version; And improve the problem of overall printing material shifts, and be example with the paste solder printing operation, significantly improve whole tin bulb part to owe tin or broken tin situation to improve process rate; And then it is more stable more complete to let tin cream pass through material; Material level is put more accurately to meet the high precision printing, and appropriate support power 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 printings especially.
Description of drawings
Fig. 1 is the sketch map of traditional printing masterplate.
Sketch map when Fig. 2 uses scrape printing cutter for the traditional printing masterplate.
Fig. 3 is the enforcement sketch map one of the utility model printing stencil.
Fig. 4 is the enforcement sketch map two of the utility model printing stencil.
Fig. 5 is the enforcement sketch map three of the utility model printing stencil.
Fig. 6 is the generalized section of the utility model printing stencil.
Sketch map when Fig. 7 uses scrape printing cutter for the utility model printing stencil.
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
Enumerate the description of drawings and the specific embodiment of the utility model printing stencil at present, the technical characterictic and the content of the utility model are done understanding to assist the patent examination committee member, please be referring to following statement:.
See also Fig. 3 to Fig. 5, be the enforcement sketch map of the utility model printing stencil.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 a 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 on this metal forming all opening 310 distinguished by the baffle area 340 that forms between those stress buffer structures 330 separated, 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 a 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 by any-mode; 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 (like 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-chemical 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 the utility model printing stencil, reach the sketch map 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 on the face that scrapes 322 of metal forming 300, the 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 structures 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.With paste solder printing technology is example, and the printing stencil of this structure can improve whole tin bulb part and owe tin or broken tin situation to improve process rate.Because of the microseismic activity of metal forming 300 can slow down, tin cream pass through material level put can more accurately pass through material more stable with fully.And a plurality of difformities and big or small stress buffer structure 330 also let scrape printing cutter 500 downforce disperse, and do not concentrate on a single-point or the line; Avoid metal forming 300 to sink and distortion, under the increasingly high 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 through stress buffer structure 330, and the printing precision raising, the life-span of printing stencil also can increase.
The above; Be merely the preferred embodiment of the utility model; When not limiting the scope that the utility model is implemented with this; The simple equivalent of promptly in every case being done according to the claim and the utility model description of the utility model changes and modifies, and all still belongs in the scope that the utility model patent 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, in order to disperse and to slow down sinking of producing when scrape printing cutter contact this metal forming and shake all on this metal forming.
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 |
|---|---|---|---|
| CN2011205621289U CN202378393U (en) | 2011-12-29 | 2011-12-29 | Printing template with stress buffering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205621289U CN202378393U (en) | 2011-12-29 | 2011-12-29 | Printing template with stress buffering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202378393U true CN202378393U (en) | 2012-08-15 |
Family
ID=46626914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205621289U Expired - Fee Related CN202378393U (en) | 2011-12-29 | 2011-12-29 | Printing template with stress buffering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202378393U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182833A (en) * | 2011-12-29 | 2013-07-03 | 正中科技股份有限公司 | Printing template with stress buffering structures |
| CN104275917A (en) * | 2014-10-31 | 2015-01-14 | 英利能源（中国）有限公司 | Silk-screen printing screen plate and printing method of solar cell electrode |
| CN106183377A (en) * | 2015-04-01 | 2016-12-07 | 茂迪股份有限公司 | Screen printing plate and method for manufacturing the same |
| CN106393959A (en) * | 2016-11-02 | 2017-02-15 | 江苏弘信华印电路科技有限公司 | Novel flexibility and hardness combined printing jig |
| CN110126448A (en) * | 2019-06-25 | 2019-08-16 | 江西展宇新能源股份有限公司 | A kind of screen printing screens and preparation method thereof |
-
2011
- 2011-12-29 CN CN2011205621289U patent/CN202378393U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182833A (en) * | 2011-12-29 | 2013-07-03 | 正中科技股份有限公司 | Printing template with stress buffering structures |
| CN104275917A (en) * | 2014-10-31 | 2015-01-14 | 英利能源（中国）有限公司 | Silk-screen printing screen plate and printing method of solar cell electrode |
| CN106183377A (en) * | 2015-04-01 | 2016-12-07 | 茂迪股份有限公司 | Screen printing plate and method for manufacturing the same |
| CN106393959A (en) * | 2016-11-02 | 2017-02-15 | 江苏弘信华印电路科技有限公司 | Novel flexibility and hardness combined printing jig |
| CN106393959B (en) * | 2016-11-02 | 2018-08-28 | 江苏弘信华印电路科技有限公司 | Novel soft-hard combination printing apparatus |
| CN110126448A (en) * | 2019-06-25 | 2019-08-16 | 江西展宇新能源股份有限公司 | A kind of screen printing screens and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120815 Termination date: 20181229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |