CN203301852U - Bending-resistant flexible circuit board for mobile phone - Google Patents
Bending-resistant flexible circuit board for mobile phone Download PDFInfo
- Publication number
- CN203301852U CN203301852U CN2013203332230U CN201320333223U CN203301852U CN 203301852 U CN203301852 U CN 203301852U CN 2013203332230 U CN2013203332230 U CN 2013203332230U CN 201320333223 U CN201320333223 U CN 201320333223U CN 203301852 U CN203301852 U CN 203301852U
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- CN
- China
- Prior art keywords
- circuit board
- flexible printing
- bending
- flexible circuit
- printing plates
- 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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Abstract
The utility model relates to a bending-resistant flexible circuit board for a mobile phone. The flexible circuit board comprises two flexible printing plates that are bonded together by an adhesive layer. The flexible printing plates include key portions and extending portions arranged at one sides of the key portions; and the extending portions are connected with connecting portions. A gap layer is arranged at the portion, between the two flexible printing plates, of the extending portions. A first reinforcing sheet is arranged above he connecting portions; and a second reinforcing sheet is arranged below the key portions. The provided bending-resistant flexible circuit board has the following beneficial effects: because adhesive removing is carried out and the gap layer is arranged between the two flexible printing plates of the extending portions needing to be bent, centralization of stresses exerted on the two flexible printing plates when being bent is substantially reduced, so that the service lives of the whole flexible printing plates are prolonged.
Description
Technical field
The utility model relates to a kind of flexible circuit board.
Background technology
Flexible circuit board is that make take polyimides or polyester film as base material a kind of has height reliability, excellent flexual printed substrate, be called for short soft board or FPC, have that distribution density is high, lightweight, the characteristics of thin thickness, main use mobile phone, notebook computer, PDA, digital camera, LCM etc. a lot of products.
Flexible circuit board on mobile phone is clamshell phone particularly, and is because it often needs bending, very high to its pliability, bending fatigue life requirements, and the condition of existing flexible circuit board does not reach.
Summary of the invention
In order to overcome existing flexible circuit board, do not reach the mobile phone flexible circuit board deficiency in bending fatigue life-span, the utility model provides a kind of bending-resistant mobile phone flexible circuit board.
The technical scheme in the invention for solving the technical problem is: a kind of bending-resistant mobile phone flexible circuit board, comprise two flexible printing sheets that are bonded together by glue-line, described flexible printing sheet comprises a button section and is positioned at the extension of button section one side, described extension is connected with connecting portion, between two flexible printing sheets of described extension, is provided with void layer; Described connecting portion top is provided with the first reinforcing chip, and described button subordinate side is provided with the second reinforcing chip.The existence of described the first reinforcing chip and the second reinforcing chip makes button section and connecting portion be not easy bending, and the center of whole flexible circuit board bending is concentrated on extension.
The utility model is installed the button section of flexible circuit board the button below in use, and connecting portion is connected on integrated circuit board, and extending part can use on the zone that bends in described the needs.
The beneficial effects of the utility model are: between two flexible printing sheets of extension of needs bendings, except glue, be provided with void layer, thereby the stress that two flexible printing bending tablets are subject to concentrate and reduce greatly, improved the useful life of whole flexible printing sheet.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of the utility model.
Fig. 2 is the cutaway view of an embodiment of the utility model.
Fig. 3 is A place partial enlarged drawing in Fig. 2.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
By reference to the accompanying drawings 1 to 3, a kind of bending-resistant mobile phone flexible circuit board, comprise two flexible printing sheets 1 that are bonded together by glue-line 7, described flexible printing sheet 1 comprises a button section 2 and is positioned at the extension 3 of button section 2 one sides, described extension 3 is connected with connecting portion 4, between two flexible printing sheets of described extension 3, is provided with void layer 4; Described connecting portion top is provided with the first reinforcing chip 5, and described button subordinate side is provided with the second reinforcing chip 6.The existence of described the first reinforcing chip 5 and the second reinforcing chip 6 makes button section and connecting portion be not easy bending, and the center of whole flexible circuit board bending is concentrated on extension.
The present embodiment is installed the button section of flexible circuit board the button below in use, and connecting portion is connected on integrated circuit board, and extending part can use on the zone that bends in described the needs.
The beneficial effect of the present embodiment is: 1 of 3 two flexible printing sheet of extension in needs bendings are provided with void layer 4 except glue, thus the stress that two flexible printing bending tablets are subject to concentrate and reduce greatly, improved the useful life of whole flexible printing sheet.
Claims (1)
1. bending-resistant mobile phone flexible circuit board, comprise two flexible printing sheets that are bonded together by glue-line, described flexible printing sheet comprises a button section and is positioned at the extension of button section one side, described extension is connected with connecting portion, it is characterized in that: between two flexible printing sheets of described extension, be provided with void layer; Described connecting portion top is provided with the first reinforcing chip, and described button subordinate side is provided with the second reinforcing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203332230U CN203301852U (en) | 2013-06-09 | 2013-06-09 | Bending-resistant flexible circuit board for mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203332230U CN203301852U (en) | 2013-06-09 | 2013-06-09 | Bending-resistant flexible circuit board for mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203301852U true CN203301852U (en) | 2013-11-20 |
Family
ID=49577828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203332230U Expired - Fee Related CN203301852U (en) | 2013-06-09 | 2013-06-09 | Bending-resistant flexible circuit board for mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203301852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211572A (en) * | 2016-07-28 | 2016-12-07 | 广东欧珀移动通信有限公司 | Circuit board and mobile terminal |
-
2013
- 2013-06-09 CN CN2013203332230U patent/CN203301852U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211572A (en) * | 2016-07-28 | 2016-12-07 | 广东欧珀移动通信有限公司 | Circuit board and mobile terminal |
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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: 20131120 Termination date: 20150609 |
|
| EXPY | Termination of patent right or utility model |