CN205249602U - Two -sided flexible printed circuit board - Google Patents
Two -sided flexible printed circuit board Download PDFInfo
- Publication number
- CN205249602U CN205249602U CN201520990223.7U CN201520990223U CN205249602U CN 205249602 U CN205249602 U CN 205249602U CN 201520990223 U CN201520990223 U CN 201520990223U CN 205249602 U CN205249602 U CN 205249602U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- sided
- shell fragment
- pad
- printed circuit
- 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)
Abstract
The utility model relates to a two -sided flexible printed circuit board, including the circuit edition of books body, be provided with the PI membrane on the circuit edition of books body, the two -sided of PI membrane all is provided with naked a plurality of pad, and two -sided pad one -to -one, be equipped with the through hole on the pad, the through hole passes the PI membrane, and the pore wall is equipped with the metallic coating makes two -sided pad switch on, the upper end of the circuit edition of books body is provided with antifouling layer, and be provided with the shell fragment device on the antifouling layer, the shell fragment device includes shell fragment, bracing piece, the bracing piece can make the shell fragment tie lie or the perk be provided with the oxidation resisting layer on the shell fragment. The utility model discloses control the volume of solder on two -sided pad when the welding easily, the welding is reliable, difficult to make the solder connect and the short circuit, reduces the rate of doing over again and the disability rate of two -sided flexble printed circuit board, through being provided with antifouling layer, prevent that the circuit board from polluting, through being provided with shell fragment device, convenient to use.
Description
Technical field
The utility model relates to a kind of circuit board, relates in particular to a kind of double-faced flexible printed circuit board.
Background technology
The title of circuit board has: wiring board, pcb board, aluminium base, high frequency plate, thick copper coin, impedance plate, PCB, ultra-thin wiring board, ultrathin circuit board, printing (copper lithographic technique) circuit board etc. Circuit board makes circuit miniaturization, visualize, plays an important role for batch production and the optimization electrical appliance layout of permanent circuit. Printed circuit board (PCB) (PrintedCircuitBoard, PCB) be almost the basis of any electronic product, along with the develop rapidly of electronic industry, printed circuit board applications as electronic product basic building block is more and more extensive, although the function of electronic product not only strengthens, the expansion of application is wide, under particularly the development in high speed information epoch drives, the requirement that is applied in the printed circuit board (PCB) in electronic product is also more and more, especially printed circuit board (PCB) is constantly promoted in the requirement of the aspect such as transmission quality, speed of signal.
In electron trade, double-side flexible printed circuit board (FPCB) is widely used in each electronic product, and play a part to install and support and electrical connection electronic devices and components, be the indispensable Important Components of electron trade. The pad of double-side flexible printed circuit board is the key component in connecting electronic components and parts process, and the structure welding quality of its two-sided pad, has very large impact.
At present, the FPC plate of double-side flexible printed circuit board is equipped with exposed several pads PI film two-sided and forms, and two-sided pad is corresponding one by one, by the conducting that is connected of the conduction trough of end. Because each pad is all closely being arranged, gap is very little each other, in the time of welding, and the bad control of amount of the scolder on the pad of its bottom surface (that is: the one side contacting with the electronic component that will weld). Double-side flexible printed circuit board serviceability is further improved simultaneously.
Utility model content
The utility model, in order to overcome deficiency of the prior art, provides a kind of double-faced flexible printed circuit board.
The utility model is to be achieved through the following technical solutions:
A kind of double-faced flexible printed circuit board, comprise circuit board body, on circuit board body, be provided with PI film, described PI film two-sided is provided with exposed multiple pads, and two-sided pad is corresponding one by one, described pad is provided with through hole, described through hole is through PI film, hole wall is provided with the coat of metal and makes two-sided pad conducting, the upper end of described circuit board body is provided with stain-proofing layer, and be provided with shrapnel device on described stain-proofing layer, described shrapnel device comprises shell fragment, support bar, described support bar can make shell fragment lie low or perk, on described shell fragment, be provided with anti oxidation layer.
As optimal technical scheme of the present utility model, described through hole is circular port, and through hole is staggered.
As optimal technical scheme of the present utility model, the lower end of described pad offers groove, and described groove semicircular in shape.
As optimal technical scheme of the present utility model, the thickness of described stain-proofing layer is 40 μ m-80 μ m.
Compared with prior art, the beneficial effects of the utility model are: the utility model is easily controlled the amount of scolder on two-sided pad in the time of welding, weld reliably, be difficult for making scolder to connect and short circuit, reduce rework rate and the scrappage of double-side flexible printed circuit board; By being provided with stain-proofing layer, prevent that circuit board from polluting, by being provided with shrapnel device, easy to use.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated. Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, Fig. 1 is structural representation of the present utility model.
Described a kind of double-faced flexible printed circuit board, comprise circuit board body 1, on circuit board body 1, be provided with PI film 3, described PI film 3 two-sided is provided with exposed multiple pads 2, and two-sided pad 2 is corresponding one by one, described pad 2 is provided with through hole 5, and described through hole 5 is circular port, and through hole 5 is staggered. Described through hole 5 is through PI film 3, and hole wall is provided with the coat of metal and makes 2 conductings of two-sided pad, and the upper end of described circuit board body 1 is provided with stain-proofing layer 6, and the thickness of described stain-proofing layer 6 is 40 μ m-80 μ m. The lower end of described pad 2 offers groove 7, and described groove 7 semicirculars in shape.
On described stain-proofing layer 6, be provided with shrapnel device 4, described shrapnel device 4 comprises shell fragment 40, support bar 41, and described support bar 41 can make shell fragment 40 lie low or perk, on described shell fragment 40, is provided with anti oxidation layer 42.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. a double-faced flexible printed circuit board, comprise circuit board body (1), on circuit board body (1), be provided with PI film (3), described PI film (3) two-sided is provided with exposed multiple pads (2), and two-sided pad (2) is corresponding one by one, described pad (2) is provided with through hole (5), described through hole (5) is through PI film (3), hole wall is provided with the coat of metal and makes two-sided pad (2) conducting, it is characterized in that: the upper end of described circuit board body (1) is provided with stain-proofing layer (6), and on described stain-proofing layer (6), be provided with shrapnel device (4), described shrapnel device (4) comprises shell fragment (40), support bar (41), described support bar (41) can make shell fragment (40) lie low or perk, on described shell fragment (40), be provided with anti oxidation layer (42).
2. double-faced flexible printed circuit board according to claim 1, is characterized in that: described through hole (5) is circular port, and through hole (5) is staggered.
3. double-faced flexible printed circuit board according to claim 1, is characterized in that: the lower end of described pad (2) offers groove (7), and described groove (7) semicircular in shape.
4. double-faced flexible printed circuit board according to claim 1, is characterized in that: the thickness of described stain-proofing layer (6) is 40 μ m-80 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520990223.7U CN205249602U (en) | 2015-12-03 | 2015-12-03 | Two -sided flexible printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520990223.7U CN205249602U (en) | 2015-12-03 | 2015-12-03 | Two -sided flexible printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205249602U true CN205249602U (en) | 2016-05-18 |
Family
ID=55948660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520990223.7U Expired - Fee Related CN205249602U (en) | 2015-12-03 | 2015-12-03 | Two -sided flexible printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205249602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037924A (en) * | 2017-03-13 | 2017-08-11 | 深圳市骏达光电股份有限公司 | The manufacturing process of circuit board module, sense of touch module and sense of touch module |
-
2015
- 2015-12-03 CN CN201520990223.7U patent/CN205249602U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037924A (en) * | 2017-03-13 | 2017-08-11 | 深圳市骏达光电股份有限公司 | The manufacturing process of circuit board module, sense of touch module and sense of touch module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170906 Address after: 514000 B District, Dongsheng Industrial Park, Guangdong, Meizhou Patentee after: Meizhou Xingcheng circuit board Co., Ltd. Address before: 514000 B District, Dongsheng Industrial Zone, Meizhou, Guangdong Patentee before: MEZIHOU LIANKE CIRCUIT CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20191203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |