CN202344170U - Bonding wire pressing plate - Google Patents
Bonding wire pressing plate Download PDFInfo
- Publication number
- CN202344170U CN202344170U CN2011204899460U CN201120489946U CN202344170U CN 202344170 U CN202344170 U CN 202344170U CN 2011204899460 U CN2011204899460 U CN 2011204899460U CN 201120489946 U CN201120489946 U CN 201120489946U CN 202344170 U CN202344170 U CN 202344170U
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- CN
- China
- Prior art keywords
- pressing plate
- bonding wire
- bonding
- plate body
- binder surface
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a bonding wire pressing plate. The bonding wire pressing plate comprises a pressing plate body, wherein a binder surface is arranged at the bottom of the pressing plate body; mounting parts which are respectively connected with a machine table are arranged on two sides of the pressing plate body; a bonding wire window is formed in the pressing plate body; a plurality of splicing bars which are arranged in parallel are arranged in the bonding wire window; the bonding wire window is divided into a plurality of bonding region by the splicing bars; the splicing bars extend towards two sides along the surface of the binder surface and form convex bars protruded out of the binder surface; and two adjacent convex bars and the binder surface jointly form an accommodation region. According to the bonding wire pressing plate disclosed by the utility model, the bonding window is divided into a plurality of bonding regions by adopting the splicing bars; during ultrasonic bonding, the acoustic resistance is greater in a relative-small region; ultrasonic wave energy is collected, is quick in temperature rise and is not easy to release, so that the quality of ultrasonic bonding is improved; due to the setting of the convex bars, a bonding element is positioned in the accommodation region formed by enclosing two adjacent convex bars and the binder surface and elements are not easy to crush; and in addition, the convenience in wire bonding is realized and the poor wire bonding is avoided.
Description
Technical field
The utility model relates to the bonding wire frock clamp, relates in particular to a kind of bonding wire pressing plate.
Background technology
The fixedly leveling of pcb board when the bonding wire pressing plate is mainly used in bonding wire, pcb board is in stress when guaranteeing bonding wire, and it is more complete that action of ultrasonic waves is discharged.
Existing bonding wire pressing plate has a bonding wire window that area is bigger at welding region, and in the bonding wire process, the unsettled phenomenon of the yielding appearance of pcb board in the window has caused ultrasonic energy partly to be released, and welding effect is undesirable; Existing bonding wire pressing plate bottom surface is a smooth plane, and the phenomenon through the product contact pressing plate bottom surface when the distortion of the product after the welding causes bonding wire bad.Therefore, the bonding wire pressing plate need improve to address the above problem.
Summary of the invention
The utility model technical problem to be solved is: a kind of bonding wire pressing plate is provided, to improve the quality of ultrasonic bonding, reduces the bad phenomenon of bonding wire.
For solving the problems of the technologies described above; The technical scheme of the utility model is: the bonding wire pressing plate, comprise the pressing plate body, and the bottom surface of said pressing plate body is a binder surface; The both sides of said pressing plate body are respectively equipped with and are used for the installation portion that is connected with board; Offer a bonding wire window on the said pressing plate body, be arranged with several in parallel on the said bonding wire window and cut muscle, the said muscle of cutting is separated into several welding regions with said bonding wire window; The said muscle of cutting extends and forms the convex tendon that protrudes in said binder surface along the surface of said binder surface to both sides, and adjacent two convex tendons and binder surface surround a holding area jointly.
As a kind of improvement, four limit portions of said bonding wire window respectively comprise one domatic, the cross section of four said domatic bonding wire windows that surround is trapezoidal.
As a kind of improvement, the cross section of cutting muscle of cutting apart adjacent two welding regions is isosceles triangle or isosceles trapezoid.
Owing to adopted technique scheme; The beneficial effect of the utility model is: because muscle is cut in the utility model employing the bonding wire window is divided into several welding regions; When the excusing from death wave soldering connect, acoustic resistance was bigger in less relatively zone, and ultrasonic energy is assembled quick heating; And ultrasonic energy is not easy to discharge, and has improved the quality of ultrasonic bonding; Extend and form the convex tendon that protrude in binder surface along the surface of binder surface to both sides owing to cut muscle; Convex tendon is pressed on the space between the pcb board; Soldered elements is in by adjacent two convex tendons and binder surface and surrounds jointly in the holding area, and the element device is difficult for being damaged by pressure, and welding component does not directly directly contact with binder surface during welding; Bonding wire is convenient, avoids producing the bad phenomenon of bonding wire.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structure cutaway view of the utility model embodiment;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the profile at A-A place among Fig. 2;
Fig. 4 is the enlarged diagram at I place among Fig. 3;
Among the figure: 1-pressing plate body; The 11-binder surface; The 2-installation portion; 3-bonding wire window; 31-cuts muscle; The 32-welding region; The 4-convex tendon.
The specific embodiment
Shown in Fig. 1, Fig. 2 and Fig. 3 are common; The bonding wire pressing plate comprises pressing plate body 1, and pressing plate body 1 bottom is a binder surface 11; The both sides of pressing plate body 1 are respectively equipped with and are used for the installation portion 2 that is connected with board; Offer a bonding wire window 3 on the pressing plate body 1, bonding wire window 3 is provided with several that laterally arrange and cuts muscle 31, cuts muscle 31 bonding wire window 3 is separated into several welding regions 32; Cut muscle 31 and extend and form the convex tendon 4 that protrudes in binder surface 11 along the surface of binder surface 11 to both sides, adjacent two convex tendons 4 surround a holding area jointly with binder surface 11.
Because proper alignment has several undivided little pcb boards on the whole pcb board; Has the gap between these little pcb boards; When bonding wire, a monoblock pcb board of integral body to be set level, the convex tendon of bonding wire pressing plate is pressed on the space between these undivided little pcb boards; Components and parts are positioned at holding area, are weighed wounded by the pressing plate body preventing.
Because wave welding head of ultrasonic wave is generally taper, for preventing to form visual dead angles in the bonding wire window 3 or bump with wave welding head of ultrasonic wave, four limit portions of bonding wire window 3 respectively comprise one domatic, the cross section of four said domatic bonding wire windows that surround is trapezoidal.As shown in Figure 4, in the present embodiment, the cross section of cutting muscle 31 of cutting apart adjacent two welding regions is isosceles triangle.
In the utility model, the cross section of cutting muscle 31 is not limited to isosceles triangle, and the cross section of cutting muscle 31 also can be an isosceles trapezoid.
Owing to adopted technique scheme; The utility model employing is cut muscle the bonding wire window is divided into several welding regions; In less relatively zone, acoustic resistance was bigger when the excusing from death wave soldering connect, and ultrasonic energy is assembled quick heating; And ultrasonic energy is not easy to discharge, and has improved the quality of ultrasonic bonding; Extend and form the convex tendon that protrude in binder surface along the surface of binder surface to both sides owing to cut muscle; Convex tendon is pressed on the space between the pcb board; Soldered elements is in by adjacent two convex tendons and binder surface and surrounds jointly in the holding area, and the element device is difficult for being damaged by pressure, and welding component does not directly directly contact with binder surface during welding; Bonding wire is convenient, avoids producing the bad phenomenon of bonding wire.
More than show and described basic principle of the utility model and the advantage of principal character and the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model protection defined by the appended claims and their equivalents defined
.
Claims (3)
1. bonding wire pressing plate; Comprise the pressing plate body; The bottom surface of said pressing plate body is a binder surface, and the both sides of said pressing plate body are respectively equipped with and are used for the installation portion that is connected with board, offer a bonding wire window on the said pressing plate body; It is characterized in that: be arranged with several in parallel on the said bonding wire window and cut muscle; The said muscle of cutting is separated into several welding regions with said bonding wire window, and the said muscle of cutting extends and form the convex tendon that protrudes in said binder surface along the surface of said binder surface to both sides, and adjacent two convex tendons and binder surface surround a holding area jointly.
2. bonding wire pressing plate as claimed in claim 1 is characterized in that: four limit portions of said bonding wire window respectively comprise one domatic, the cross section of four said domatic bonding wire windows that surround is trapezoidal.
3. according to claim 1 or claim 2 bonding wire pressing plate, it is characterized in that: the cross section of cutting muscle of cutting apart adjacent two welding regions is isosceles triangle or isosceles trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204899460U CN202344170U (en) | 2011-11-30 | 2011-11-30 | Bonding wire pressing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204899460U CN202344170U (en) | 2011-11-30 | 2011-11-30 | Bonding wire pressing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202344170U true CN202344170U (en) | 2012-07-25 |
Family
ID=46533200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204899460U Withdrawn - After Issue CN202344170U (en) | 2011-11-30 | 2011-11-30 | Bonding wire pressing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202344170U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581532A (en) * | 2011-11-30 | 2012-07-18 | 歌尔声学股份有限公司 | Weld line pressure plate |
-
2011
- 2011-11-30 CN CN2011204899460U patent/CN202344170U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581532A (en) * | 2011-11-30 | 2012-07-18 | 歌尔声学股份有限公司 | Weld line pressure plate |
| CN102581532B (en) * | 2011-11-30 | 2014-04-30 | 歌尔声学股份有限公司 | Weld line pressure plate |
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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: 20120725 Effective date of abandoning: 20140430 |
|
| RGAV | Abandon patent right to avoid regrant |