CN204031587U - A kind of flexible PCB - Google Patents
A kind of flexible PCB Download PDFInfo
- Publication number
- CN204031587U CN204031587U CN201420454112.XU CN201420454112U CN204031587U CN 204031587 U CN204031587 U CN 204031587U CN 201420454112 U CN201420454112 U CN 201420454112U CN 204031587 U CN204031587 U CN 204031587U
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- CN
- China
- Prior art keywords
- golden finger
- district
- flexible pcb
- model
- utility
- 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 - Fee Related
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- Structure Of Printed Boards (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a kind of flexible PCB, comprises golden finger, and described golden finger comprises the Qu Hefei that the windows district of windowing, and the window cut-off rule in district of the Qu Yufei that windows of described golden finger is wave.The utility model is designed to waveform by district that golden finger is windowed and windows, and when bending flexible PCB, makes the stressed different of golden finger, thereby can effectively prevent golden finger fracture, has greatly improved product quality.
Description
Technical field
The utility model relates to a kind of flexible PCB, relates in particular to a kind of golden finger technology of flexible PCB.
Background technology
Flexible PCB is to take polyimides or polyester film a kind ofly to have height reliability, an excellent flexible printed circuit as what base material was made.Be called for short soft board or FPC(Flexible Printed Circuit, flexible PCB), have that distribution density is high, lightweight, a thin thickness, feature that bending is good.At present, flexible PCB is widely used in the electronic products such as mobile phone, notebook computer, panel computer, digital camera.
The golden finger of FPC is comprised of numerous flavous conductive contact blades, because its surface gold-plating and conductive contact blade are arranged as finger-shaped, so be called " golden finger ".In the design of existing golden finger structure, be all that golden finger is designed to the straight line design of windowing conventionally, as shown in Figure 1, be the golden finger structure schematic diagram of the flexible PCB of prior art.Flexible PCB 10 comprises golden finger 20, wherein, the design that is in line of the district 21 of windowing of golden finger 20, each conductive contact blade in the district 21 of windowing is arranged in parallel linearly, and length is consistent.
This of prior art kind is windowed to design and is made flexible PCB bending rear stressed consistent, easily causes the golden finger place of windowing neatly to rupture, and causes loose contact or the open circuit of flexible PCB circuit, reduces product quality.Therefore, how effectively to prevent that golden finger fracture from being prior art urgent problem.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of flexible PCB, and it can be realized golden finger end and be difficult for rupturing because of bending repeatedly.
For solving technical problem of the present utility model, the utility model discloses a kind of flexible PCB, comprises golden finger, and described golden finger comprises the Qu Hefei that the windows district of windowing, and the window cut-off rule in district of the Qu Yufei that windows of described golden finger is wave.
Wherein, the diameter of each circular arc of described wave is 5 to 7 millimeters, and arc length is 1 to 3 millimeter.
Wherein, described cut-off rule is to form by the coverlay that covers the district of windowing is cut into waveform.
Wherein, described coverlay cutting can be used the cutting of film cutting machine device or use laser cutting.
Compared with prior art, the utlity model has following beneficial effect: the utility model is designed to waveform by district that golden finger is windowed and windows, when bending flexible PCB, make the stressed different of golden finger, thereby can effectively prevent golden finger fracture, greatly improve product quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the golden finger of flexible circuit board of this prior art.
Fig. 2 is the structural representation of the golden finger of flexible circuit board of the utility model one embodiment.
Fig. 3 is partly the window structure enlarged diagram in district of golden finger in Fig. 2.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 2, be the golden finger of flexible circuit board structural representation of the utility model one embodiment.Flexible PCB 10 of the present utility model comprises golden finger 30, described golden finger 30 comprises window district 31 and the non-district 32 of windowing, described in window district 31 for waveform window, top is linearly, bottom undulate, the district 31 of windowing is wave with the cut-off rule 33 in the non-district 32 of windowing.The diameter of each circular arc of wave is 5 to 7 millimeters, and arc length is 1 to 3 millimeter.In the present embodiment, the diameter of each circular arc of cut-off rule 33 is 5.42 millimeters, and arc length is 1.88 millimeters, and those skilled in the art can adjust according to actual conditions.
Particularly, as shown in Figure 3, though each conductive contact blade 34 is arranged in parallel in the district 31 of windowing, but different in size, top is concordant, and bottom is cut apart through cut-off rule 33, is wavy.Cut-off rule 33 forms by the coverlay that covers the district 31 of windowing is cut into waveform.Particularly, can use the cutting of film cutting machine device or use laser cutting.After the coverlay in district 31 of windowing cuts away, then it is upper to paste FPC, then uses machine pressing coverlay and FPC, makes golden finger 30.
In sum, the utility model is designed to waveform by district that golden finger is windowed and windows, and when bending flexible PCB, makes the stressed different of golden finger, thereby can effectively prevent golden finger fracture, has greatly improved product quality.
More than lift preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; institute is understood that; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle; any modification of doing, be equal to replacement, improvement etc.; within all should being included in protection range of the present utility model; the interest field that the utility model is advocated should be as the criterion described in utility model application scope, but not only limits to above-described embodiment.
Claims (4)
1. a flexible PCB, comprises golden finger, and described golden finger comprises the Qu Hefei that the windows district of windowing, and it is characterized in that, the window cut-off rule in district of the Qu Yufei that windows of described golden finger is wave.
2. flexible PCB as claimed in claim 1, is characterized in that, the diameter of each circular arc of described wave is 5 to 7 millimeters, and arc length is 1 to 3 millimeter.
3. flexible PCB as claimed in claim 1, is characterized in that, described cut-off rule is to form by the coverlay that covers the district of windowing is cut into waveform.
4. flexible PCB as claimed in claim 3, is characterized in that, described coverlay cutting can be used the cutting of film cutting machine device or use laser cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420454112.XU CN204031587U (en) | 2014-08-13 | 2014-08-13 | A kind of flexible PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420454112.XU CN204031587U (en) | 2014-08-13 | 2014-08-13 | A kind of flexible PCB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204031587U true CN204031587U (en) | 2014-12-17 |
Family
ID=52071408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420454112.XU Expired - Fee Related CN204031587U (en) | 2014-08-13 | 2014-08-13 | A kind of flexible PCB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204031587U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104955270A (en) * | 2015-06-22 | 2015-09-30 | 安徽方兴科技股份有限公司 | Flexible printed circuit (FPC) board |
| CN106211569A (en) * | 2016-09-06 | 2016-12-07 | 京东方科技集团股份有限公司 | A kind of backlight golden finger structure and display device |
-
2014
- 2014-08-13 CN CN201420454112.XU patent/CN204031587U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104955270A (en) * | 2015-06-22 | 2015-09-30 | 安徽方兴科技股份有限公司 | Flexible printed circuit (FPC) board |
| CN106211569A (en) * | 2016-09-06 | 2016-12-07 | 京东方科技集团股份有限公司 | A kind of backlight golden finger structure and display device |
| CN106211569B (en) * | 2016-09-06 | 2019-10-25 | 京东方科技集团股份有限公司 | A kind of backlight golden finger structure and display device |
| US10973121B2 (en) | 2016-09-06 | 2021-04-06 | Boe Technology Group Co., Ltd. | Backlight golden finger structure and display device |
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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: 20141217 Termination date: 20190813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |