CN202491508U - Cream brushing device for producing silicon microphone - Google Patents
Cream brushing device for producing silicon microphone Download PDFInfo
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- CN202491508U CN202491508U CN2012200699597U CN201220069959U CN202491508U CN 202491508 U CN202491508 U CN 202491508U CN 2012200699597 U CN2012200699597 U CN 2012200699597U CN 201220069959 U CN201220069959 U CN 201220069959U CN 202491508 U CN202491508 U CN 202491508U
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Abstract
The utility model discloses a cream brushing device for producing a silicon microphone. The cream brushing device comprises a first tin cream printer, a first three-dimensional mesh plate, a first scraper, a second tin cream printer, a second three-dimensional mesh plate and a second scraper, wherein the first three-dimensional mesh plate and the first scraper are arranged on the first tin cream printer, and are used together in a matching way; the second three-dimensional mesh plate and the second scraper are arranged on the second tin cream printer, and are used together in a matching way; the first tin cream printer is used for brushing cream on two first opposite sides of a copper foil on the edge of a monomer silicon microphone; and the second tin cream printer is used for brushing cream on two second opposite sides of a copper foil on the edge of a monomer silicon microphone. According to the cream brushing device, the finishing speed of a 'tin cream spotting' process flow in a silicon microphone production process is increased, so that the overall production speed of a product can be increased, and production efficiency is increased.
Description
Technical field
The utility model relates to produces silicon microphone with brush cream device.
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: provide a kind of production silicon microphone with brush cream device; In order to improve 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.
For solving the problems of the technologies described above, the technical scheme of the utility model is: produce silicon microphone with brush cream device, it comprises:
First stencil printer and be installed on first tri-dimensional screen and first scraper on first stencil printer; Said first tri-dimensional screen comprises the flat first web plate body; On the said first web plate body, be provided with first protective cover that several bottoms by the first web plate body raise up; Said first protective cover is strip and equidistantly arranges; On the said first web plate body and the both sides that are positioned at said first protective cover offer some groups first small openings, every group first small opening comprises two first small openings that are symmetrically distributed in the first protective cover both sides; Bottom margin at said first scraper is provided with equally distributed first groove that is used to hold said first protective cover, and the width between adjacent two first grooves equals the width between adjacent two first protective covers;
Second stencil printer and be installed on second tri-dimensional screen and second scraper on second stencil printer; Said second tri-dimensional screen comprises the flat second web plate body; On the said second web plate body, be provided with second protective cover that several bottoms by the second web plate body raise up; Said second protective cover is strip and equidistantly arranges; On the said second web plate body and the both sides that are positioned at said 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 said second scraper is provided with equally distributed second groove that is used to hold said second protective cover, and the width between adjacent two second grooves equals the width between adjacent two second protective covers;
Be integrated with on the pcb board of some monomer silicon microphones, the Copper Foil at each monomer silicon microphone edge has relative two first opposite side and two second relative opposite side; The width of said first small opening is consistent with the width of said first opposite side, and the width between every group first small opening equals two first width between the opposite side, and the length of said first small opening is the width that the length of first opposite side deducts two second opposite side; The width of said second small opening is consistent with the width of said second opposite side, and the width between every group second small opening equals two second width between the opposite side, and the length of said second small opening is the length of second opposite side.
As a kind of optimized technical scheme, said first scraper and said second scraper all tilt to install, and the angle between the brush cream direction is greater than 60 ° and less than 90 °.
As a kind of optimized technical scheme, said first protective cover and said second protective cover are cuboid.
After having adopted technique scheme, the beneficial effect of the utility model is:
1. reduced cost: the costing an arm and a leg of the point gum machine that can use in the traditional handicraft, maintenance cost is also quite high, and with respect to point gum machine, the brush cream device price in the utility model is relatively low.
2. shortened debugging cycle: the point gum machine debugging cycle that can use in the traditional handicraft is longer, and the technical parameter of equipment is complicated, is that production or maintenance process all propose higher requirement and will spend more energy the technical staff; But its technical parameter of brush cream device of using in the utility model is simple, and aspects such as ordinary production and regular maintenance claim also relatively low to the corresponding techniques personnel, so can make relevant operating personnel just can accomplish more products with identical energy.
3. improved speed of production: use point gum machine in the traditional handicraft and carry out the operation of a some tin cream, from the data of production line: the pcb board of 594 monomer silicon microphones, carry out " some tin cream " operation with point gum machine, probably need about 10 minutes.And the pcb board of 594 same monomer silicon microphones carries out the words of " some tin cream " operation with the brush cream device in the utility model; Data from a line workshop; Only need 4 minutes less than; If the increase that the integrated level of tri-dimensional screen and pcb board is corresponding, 4 minutes less than time can accomplish some tin cream technology fully to more monomer silicon microphone.
In sum, use the brush cream device of the utility model to brush the cream operation, traditional relatively point gum machine is put tin cream technology one by one, have with low cost, advantage such as the operation debugging is simple, and speed of production is double.
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.
The specific 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.
It is to adopt a kind of production silicon microphone with brush cream device that the utility model carries out " some tin cream " technological process; It comprises first stencil printer and is installed on first tri-dimensional screen and first scraper on first stencil printer, and second stencil printer and be installed on second tri-dimensional screen and second scraper on 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, be provided with equally distributed first groove 21 that is used to hold first protective cover 12 at the bottom margin of first scraper 2, 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 said 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 this implementation process, first protective cover 12 and second protective cover all adopt cuboid.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; Use the brush cream technique of above-mentioned production silicon microphone with brush cream device; 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.
Costing an arm and a leg of the point gum machine that can use in the traditional handicraft, maintenance cost are also quite high, and with respect to point gum machine, the brush cream device price in the utility model is relatively low.In addition, it is longer to use " point gum machine " debugging cycle in the traditional handicraft, and the technical parameter of equipment is complicated, is that production or maintenance process all propose higher requirement and will spend more energy the technical staff; But its technical parameter of brush cream device of using in the utility model is simple, and aspects such as ordinary production and regular maintenance claim also relatively low to the corresponding techniques personnel, so can make relevant operating personnel just can accomplish more products with identical energy.
Use " point gum machine " in the traditional handicraft and carry out the operation of a some tin cream, from the data of production line: the pcb board of 594 monomer silicon microphones 3, carry out " some tin cream " operation with point gum machine, probably need about 10 minutes.And the pcb board of 594 same monomer silicon microphones 3 carries out the words of " some tin cream " operation with the brush cream device in the utility model; Data from a line workshop; Only need 4 minutes less than; If the increase that the integrated level of tri-dimensional screen and pcb board is corresponding, 4 minutes less than time can accomplish some tin cream technology fully to more monomer silicon microphone 3.
Claims (3)
1. produce silicon microphone with brush cream device, it is characterized in that, comprising:
First stencil printer and be installed on first tri-dimensional screen and first scraper on first stencil printer; Said first tri-dimensional screen comprises the flat first web plate body; On the said first web plate body, be provided with first protective cover that several bottoms by the first web plate body raise up; Said first protective cover is strip and equidistantly arranges; On the said first web plate body and the both sides that are positioned at said first protective cover offer some groups first small openings, every group first small opening comprises two first small openings that are symmetrically distributed in the first protective cover both sides;
Bottom margin at said first scraper is provided with equally distributed first groove that is used to hold said first protective cover, and the width between adjacent two first grooves equals the width between adjacent two first protective covers;
Second stencil printer and be installed on second tri-dimensional screen and second scraper on second stencil printer; Said second tri-dimensional screen comprises the flat second web plate body; On the said second web plate body, be provided with second protective cover that several bottoms by the second web plate body raise up; Said second protective cover is strip and equidistantly arranges; On the said second web plate body and the both sides that are positioned at said 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 said second scraper is provided with equally distributed second groove that is used to hold said second protective cover, and the width between adjacent two second grooves equals the width between adjacent two second protective covers;
Be integrated with on the pcb board of some monomer silicon microphones, the Copper Foil at each monomer silicon microphone edge has relative two first opposite side and two second relative opposite side; The width of said first small opening is consistent with the width of said first opposite side, and the width between every group first small opening equals two first width between the opposite side, and the length of said first small opening is the width that the length of first opposite side deducts two second opposite side;
The width of said second small opening is consistent with the width of said second opposite side, and the width between every group second small opening equals two second width between the opposite side, and the length of said second small opening is the length of second opposite side.
2. production silicon microphone as claimed in claim 1 is characterized in that with brush cream device: said first scraper and said second scraper all tilt to install, and the angle between the brush cream direction is greater than 60 ° and less than 90 °.
3. production silicon microphone as claimed in claim 1 is with brush cream device, and it is characterized in that: said first protective cover and said second protective cover are cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200699597U CN202491508U (en) | 2012-02-28 | 2012-02-28 | Cream brushing device for producing silicon microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200699597U CN202491508U (en) | 2012-02-28 | 2012-02-28 | Cream brushing device for producing silicon microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202491508U true CN202491508U (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200699597U Withdrawn - After Issue CN202491508U (en) | 2012-02-28 | 2012-02-28 | Cream brushing device for producing silicon microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202491508U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110505763A (en) * | 2019-09-30 | 2019-11-26 | 伟创力电子技术(苏州)有限公司 | A kind of assembling device with element print wiring board |
| CN113858776A (en) * | 2021-09-14 | 2021-12-31 | 广东爱旭科技有限公司 | Scraper for screen printing of photovoltaic cell and preparation method of cell fine grid |
-
2012
- 2012-02-28 CN CN2012200699597U patent/CN202491508U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110505763A (en) * | 2019-09-30 | 2019-11-26 | 伟创力电子技术(苏州)有限公司 | A kind of assembling device with element print wiring board |
| CN113858776A (en) * | 2021-09-14 | 2021-12-31 | 广东爱旭科技有限公司 | Scraper for screen printing of photovoltaic cell and preparation method of cell fine grid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121017 Effective date of abandoning: 20140716 |
|
| RGAV | Abandon patent right to avoid regrant |