CN202425044U - Scraper used in matching with three-dimensional screen plate for paste brushing of silicon microphones - Google Patents
Scraper used in matching with three-dimensional screen plate for paste brushing of silicon microphones Download PDFInfo
- Publication number
- CN202425044U CN202425044U CN2012200701008U CN201220070100U CN202425044U CN 202425044 U CN202425044 U CN 202425044U CN 2012200701008 U CN2012200701008 U CN 2012200701008U CN 201220070100 U CN201220070100 U CN 201220070100U CN 202425044 U CN202425044 U CN 202425044U
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- China
- Prior art keywords
- dimensional screen
- scraper
- tri
- cream
- screen plate
- 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.)
- Expired - Lifetime
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 50
- 239000010703 silicon Substances 0.000 title claims abstract description 50
- 230000001680 brushing effect Effects 0.000 title abstract description 5
- 230000001681 protective effect Effects 0.000 claims abstract description 37
- 239000006071 cream Substances 0.000 claims description 54
- 238000000034 method Methods 0.000 abstract description 30
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 229910000679 solder Inorganic materials 0.000 abstract 3
- 239000000178 monomer Substances 0.000 description 35
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 16
- 239000011889 copper foil Substances 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a scraper used in matching with a three-dimensional screen plate for paste brushing of silicon microphones. The three-dimensional screen plate is provided with protective hoods which protrude upwards, wherein the protective hoods are long strip-shaped and arranged at equal intervals; grooves which are distributed uniformly to contain the protective hoods are arranged at the edge of the bottom of the scraper; and a width between two adjacent grooves is equal to that between two adjacent protective hoods. The scraper used in matching and the three-dimensional screen plate are mounted on a solder paste printing press for paste brushing operation so as to finish the solder paste spotting technical process, so that accomplishment speed of the solder paste spotting technical process in the production process of the silicon microphones is improved. Therefore, the scraper used in matching with the three-dimensional screen plate for paste brushing of silicon microphones, disclosed by the utility model, has the advantages of improving whole production speed of products as well as production efficiency.
Description
Technical field
The utility model relates to the scraper that is used with tri-dimensional screen with silicon microphone brush cream.
Background technology
In the middle of the manufacturing process flow of the semiconductor microphone Si-MIC (being usually said silicon microphone) of current electronic manufacturing industry; The main method that adopts is to concentrate autofrettage: promptly the pcb board with integrated a lot of monomer silicon microphones (Si-MIC) PAD is that unit carries out processing and manufacturing; Successively each monomer silicon microphone PAD is carried out according to technological process then: the technology of paster, Reflow Soldering, welding, curing, some glue, some tin cream or the like; And then carry out: paste the technology of shell, Reflow Soldering, cutting, test, packing etc., accomplish at last and make.In the middle of above various technological processes, " some tin cream and subsides shell " belongs to back operation (being in the middle of the whole manufacturing process flow, the technological process of just carrying out after relatively leaning on).Wherein the effect of " subsides shell " is to protect core microchip (like micro-electromechanical system (MEMS)) and the core component in the monomer silicon microphone; It is the important step of accomplishing qualified products; " some tin cream " then is the necessary condition of accomplishing " subsides shell "; Have only and could " shell " be attached to firmly through tin cream that (tin cream under the nature itself just has viscosity, and after through the Reflow Soldering heated baking, what can become especially is hard, firm on the peripheral Copper Foil of monomer silicon microphone.So), " some tin cream " is important link in the middle of the Si-MIC manufacturing process flow, is to accomplish the committed step that product must pass through.The flow content of " some tin cream " is to coat the tin cream of an amount of thickness on the Copper Foil with " monomer silicon microphone (Si-MIC) " edge uniformly; And current electronic manufacturing field is accomplished the main method of this technological process and is: put glue (promptly with point gum machine one by one to the Copper Foil point tin cream at " monomer silicon microphone (Si-MIC) " edge) one by one through point gum machine; Such technological process speed is very limited, causes the production efficiency of silicon microphone lower.
The utility model content
The utility model technical problem to be solved is: a kind of scraper that is used with tri-dimensional screen with silicon microphone brush cream is provided; Scraper and tri-dimensional screen are installed on stencil printer brush the cream operation; To accomplish " some tin cream " technological process; Improved the completion speed of " some tin cream " technological process in the silicon microphone production process, thereby can improve the whole speed of production of product, enhanced productivity.
For solving the problems of the technologies described above; The technical scheme of the utility model is: brush the scraper that cream is used with tri-dimensional screen with silicon microphone; Has the protective cover that raises up on the said tri-dimensional screen; Said protective cover is strip and equidistantly arranges, and is provided with the equally distributed groove that is used to hold said protective cover at the bottom margin of said scraper, and the width between adjacent two grooves equals the width between adjacent two protective covers.
As a kind of optimized technical scheme, said scraper tilts to install, and the angle between the brush cream direction is greater than 60 ° and less than 90 °.
After having adopted technique scheme; The beneficial effect of the utility model is: the bottom margin at scraper is provided with the equally distributed groove that is used to hold the protective cover on the tri-dimensional screen, and the width between adjacent two grooves equals the width between adjacent two protective covers.During the operation of brush cream, the bottom margin of scraper closely pastes with the upper surface of tri-dimensional screen mutually, like this; When the bearing of trend of scraper along protective cover moves; Tin cream is being attached on the Copper Foil at monomer silicon microphone edge through the small opening on the tri-dimensional screen by in the process of pushing, and accomplishes " some tin cream " technological process, and in brush cream process; Tin cream can not drain to another side from the one side of scraper all the time, has guaranteed the more effective realization of brush cream process.Cooperate with tri-dimensional screen through above-mentioned scraper the Copper Foil at the monomer silicon microphone edge on the pcb board that is integrated with a lot of monomer silicon microphones is brushed cream operation; Improved the completion speed of " some tin cream " technological process in the silicon microphone production process; Thereby can improve the whole speed of production of product, enhance productivity.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the vertical view of first tri-dimensional screen among the utility model embodiment;
Fig. 2 is the cutaway view of first tri-dimensional screen among the utility model embodiment;
Fig. 3 is the first tri-dimensional screen top stereogram up among the utility model embodiment;
Fig. 4 is first tri-dimensional screen stereogram top down among the utility model embodiment;
Fig. 5 is the structural representation of first scraper among the utility model embodiment;
Fig. 6 is the work sketch map that first tri-dimensional screen matches with first scraper among the utility model embodiment;
Fig. 7 is the sketch map of monomer silicon microphone among the utility model embodiment;
Fig. 8 is first small opening and the first opposite side correspondence position sketch map among the utility model embodiment;
Fig. 9 is second small opening and the second opposite side correspondence position sketch map among the utility model embodiment;
Among the figure: 1. first tri-dimensional screen, 11. first web plate bodies, 12. first protective covers, 13. first small openings; 2. first scraper, 21. first grooves, 3. monomer silicon microphone, 31. microchips; 32. Copper Foil, 321. first opposite side, 322. second opposite side, 4. second small opening; L1. the length of first opposite side, the length of L2. second opposite side, the width of L3. second opposite side.
Embodiment
As shown in Figure 7; Be integrated with on the pcb board of some monomer silicon microphones 3; Each monomer silicon microphone 3 has mounted microchips 31 such as MEMS, and the Copper Foil 32 at each monomer silicon microphone 3 edge has two first relative opposite side 321 and two second relative opposite side 322.The flow content of " some tin cream " is to coat the tin cream of an amount of thickness on the Copper Foil 32 with monomer silicon microphone 3 edges uniformly; In the prior art; Adopt point gum machine to put glue one by one; Promptly with point gum machine one by one to 32 tin creams of Copper Foil at monomer silicon microphone 3 edges, such technological process speed is very limited, causes the production efficiency of silicon microphone lower.
The utility model is brushed the cream operation through the tri-dimensional screen that cooperatively interacts and scraper are installed on the stencil printer, realize the technological process of " some tin cream ".Accomplish whole brush cream technique; Need use the combination of two cover tri-dimensional screens and scraper; Be defined as first tri-dimensional screen, first scraper and second tri-dimensional screen, second scraper; First tri-dimensional screen and first scraper are installed to first stencil printer, second tri-dimensional screen and second scraper are installed to second stencil printer.
Shown in Fig. 1-4; First tri-dimensional screen 1 comprises the flat first web plate body 11; On the first web plate body 11, be provided with first protective cover 12 that several bottoms by the first web plate body 11 raise up; First protective cover 12 is strip and equidistantly arranges, on the first web plate body 11 and the both sides that are positioned at first protective cover 12 offer some groups first small openings, every group first small opening comprises two first small openings 13 that are symmetrically distributed in first protective cover, 12 both sides.
As shown in Figure 5; First scraper 2 that is used with first tri-dimensional screen 1; Be provided with equally distributed first groove 21 that is used to hold first protective cover 12 at its bottom margin, the width between adjacent two first grooves 21 equals the width between adjacent two first protective covers 12.
Second tri-dimensional screen is basic identical than the structure of first scraper 2 than first tri-dimensional screen, 1, the second scraper, does not have among the figure to illustrate, with reference to the sketch map of first tri-dimensional screen 1 and first scraper 2.Wherein, Second tri-dimensional screen comprises the flat second web plate body; On the second web plate body, be provided with second protective cover that several bottoms by the second web plate body raise up; Second protective cover is strip and equidistantly arranges, on the second web plate body and the both sides that are positioned at second protective cover offer some groups second small openings, every group second small opening comprises two second small openings that are symmetrically distributed in the second protective cover both sides.Bottom margin at second scraper is provided with equally distributed second groove that is used to hold second protective cover, and the width between adjacent two second grooves equals the width between adjacent two second protective covers.
First protective cover 1 and the second protective cover volume inside are to be used for holding the microchips such as MEMS 31 that mount on the monomer silicon microphone 3; The degree of depth of its internal recess its role is in brushing the process of cream, protect the microchip 31 that has mounted on the monomer silicon microphone 3, so must be slightly larger than the maximum height of the various microchips 31 that mounted on the monomer silicon microphone.Its size must satisfy can hold the microchip 31 that has mounted on the monomer silicon microphone 3, so the size of the microchip 31 that has mounted on will be with reference to monomer silicon microphone 3 when making is made.
Shown in Fig. 7 to Fig. 9 is common; The width of first small opening 13 is consistent with the width of first opposite side 321; Width between every group first small opening 13 equals two first width between the opposite side 321, and the length of first small opening 13 is the width L3 that the length L 1 of first opposite side deducts two second opposite side; The width of second small opening 4 is consistent with the width of second opposite side 322, and the width between every group second small opening 4 equals two second width between the opposite side 322, and the length of second small opening 4 is the length L 2 of second opposite side.
In addition, first scraper 2 and second scraper all tilt to install, and the angle between the brush cream direction can better produce the effect of an extruding greater than 60 ° and less than 90 ° to tin cream.
Shown in Fig. 6-9; The brush cream technique that uses above-mentioned device to carry out; Pending to as if the integrated pcb board of some monomer silicon microphones 3; Each monomer silicon microphone 3 has mounted microchips 31 such as MEMS on it, and the Copper Foil 32 at each monomer silicon microphone 3 edge has two first relative opposite side 321 and two second relative opposite side 322.The final purpose of this technological process is all to coat the tin cream of the uniform thickness of according with process requirements on the Copper Foil 32 with monomer silicon microphone 3 edges all on the pcb board.
This brush cream technique may further comprise the steps:
A. produce the first tri-dimensional screen 1+, first scraper 2 and second tri-dimensional screen+second scraper that is complementary according to the related data and the technological requirement that are integrated with the pcb board of some monomer silicon microphones 3; Wherein, the thickness of the first web plate body 11 and the second web plate body equals the tin cream thickness at the monomer silicon microphone edge of technological requirement.First tri-dimensional screen 1 and first scraper 2 are installed on first stencil printer, second tri-dimensional screen and second scraper are installed on second stencil printer;
The pcb board that b. will be integrated with some monomer silicon microphones 3 is positioned on the conveyer belt of first stencil printer, is sent to the below of first tri-dimensional screen 1, and first tri-dimensional screen 1 descends, and compresses pcb board; The microchip 31 that mounts on the monomer silicon microphone 3 is placed in first protective cover 12, and every group first small opening 13 is corresponding one by one with two first opposite side 321 of the Copper Foil 32 at each monomer silicon microphone 3 edge, and first small opening 13 overlaps with the center line of first opposite side 321; First scraper 2 descends then, and first groove 21 plugs together with first protective cover 12 mutually, and the bottom margin of first scraper 2 closely pastes with the upper surface of first tri-dimensional screen 1 mutually; First scraper 2 moves along the bearing of trend of first protective cover 12 then; To be extruded into opposite side from a thruster attached to the tin cream of first tri-dimensional screen, 1 upper surface; Tin cream is attached to by first small opening 13 on two first opposite side 321 of Copper Foil 32 at monomer silicon microphone 3 edges, accomplishes the brush cream operation of first opposite side 321.Because the bottom margin of first scraper 2 closely pastes with the upper surface of first tri-dimensional screen 1 mutually; Like this; When the bearing of trend of first scraper 2 along first protective cover 12 moves; Tin cream has guaranteed the more effective realization of brush cream process not drained to another side from the one side of scraper all the time by in the process of pushing.
In the process of above-mentioned brush cream operation; Because the length of first small opening 13 is the width L3 that the length L 1 of first opposite side deducts two second opposite side; And first small opening 13 overlaps with the center line of first opposite side 321; Therefore, first small opening 13 can not cover four bights of the tinfoil paper at monomer silicon microphone 3 edges, and the part of promptly only two first opposite side 321 being removed two bights is brushed cream.
C. the pcb board that will accomplish the operation of first opposite side brush cream is positioned on the conveyer belt of second stencil printer, is sent to the below of second tri-dimensional screen, and second tri-dimensional screen descends, and compresses pcb board; The microchip 31 that mounts on the monomer silicon microphone 3 is placed in second protective cover, and every group second small opening 4 is corresponding one by one with two second opposite side 322 of the Copper Foil 32 at each monomer silicon microphone 3 edge; Second scraper descends then, and second groove plugs together with second protective cover mutually, and the bottom margin of second scraper closely pastes with the upper surface of second tri-dimensional screen mutually; Second scraper moves along the bearing of trend of second protective cover then, will be extruded into opposite side from a thruster attached to the tin cream of the second tri-dimensional screen upper surface, and tin cream is attached to by second small opening 4 on two second opposite side 322 of Copper Foil 32 at monomer silicon microphone 3 edges.Because the length of second small opening 4 is the length of second opposite side 322, so be that whole second opposite side 322 is brushed cream, finally makes the tin cream that all is coated with the uniform thickness of according with process requirements on the whole copper foil 32, accomplish brush cream process.
Claims (2)
1. brush the scraper that cream is used with tri-dimensional screen with silicon microphone; Has the protective cover that raises up on the said tri-dimensional screen; Said protective cover is strip and equidistantly arranges; It is characterized in that be provided with the equally distributed groove that is used to hold said protective cover at the bottom margin of said scraper, the width between adjacent two grooves equals the width between adjacent two protective covers.
2. as claimed in claim 1 and silicon microphone is brushed cream with the scraper that tri-dimensional screen is used, and it is characterized in that: said scraper tilts to install, and the angle between the brush cream direction is greater than 60 ° and less than 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200701008U CN202425044U (en) | 2012-02-28 | 2012-02-28 | Scraper used in matching with three-dimensional screen plate for paste brushing of silicon microphones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200701008U CN202425044U (en) | 2012-02-28 | 2012-02-28 | Scraper used in matching with three-dimensional screen plate for paste brushing of silicon microphones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202425044U true CN202425044U (en) | 2012-09-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200701008U Expired - Lifetime CN202425044U (en) | 2012-02-28 | 2012-02-28 | Scraper used in matching with three-dimensional screen plate for paste brushing of silicon microphones |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202425044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107686A (en) * | 2015-09-24 | 2015-12-02 | 无锡佰利兄弟能源科技有限公司 | Scraper structure and glue application method |
-
2012
- 2012-02-28 CN CN2012200701008U patent/CN202425044U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107686A (en) * | 2015-09-24 | 2015-12-02 | 无锡佰利兄弟能源科技有限公司 | Scraper structure and glue application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20200731 Address after: 266104 room 103, 396 Songling Road, Laoshan District, Qingdao, Shandong Province Patentee after: Goer Microelectronics Co.,Ltd. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: GOERTEK Inc. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
|
| CX01 | Expiry of patent term |