CN203896585U - Anti-interference FPC - Google Patents
Anti-interference FPC Download PDFInfo
- Publication number
- CN203896585U CN203896585U CN201420328383.0U CN201420328383U CN203896585U CN 203896585 U CN203896585 U CN 203896585U CN 201420328383 U CN201420328383 U CN 201420328383U CN 203896585 U CN203896585 U CN 203896585U
- Authority
- CN
- China
- Prior art keywords
- fpc
- plate
- tampering
- fpc board
- conductive fabric
- 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 the manufacturing field of FPC, and especially to an anti-interference FPC. The anti-interference FPC comprises an FPC board, the FPC board at least comprises a substrate and a protective film arranged on the substrate, the substrate is connected with the protective film via a glue layer, the surface, corresponding to a PCB of electronic equipment, of the FPC board is provided with a reinforcing steel sheet, the reinforcing steel sheet is pasted with a conductive cloth, and the other side of the conductive cloth is applied to the PCB. Due to arrangement of the reinforcing steel sheet on the FPC board and the conductive cloth between the FPC board and the PCB, lines of the FPC board can shield interference via the conductive cloth, and operation of the electronic equipment is more stable; due to the heat conduction feature of the conductive cloth, heat radiation effect of electronic components near the PCB can be enhanced; the two sides of the FPC board are respectively provided with electromagnetic shielding films, so that the shielding effect of the conductive cloth can be further improved; and non-wiring areas or layers of the FPC board are provided with grounding grid copper to further decrease interference, and the grid copper can be cooperated with the FPC board with high flexibility.
Description
Technical field
The utility model relates to FPC and manufactures field, is specifically related to a kind of anti-tampering FPC.
Background technology
There is height reliability as one, excellent flexible printed circuit, FPC(Flexible Printed Circuit flexible print circuit) plate is high with its distribution density, lightweight, thin thickness, the good feature of bending property is more and more widely in applying electronic equipment, but due to electronic component highly dense in electronic equipment, very easily there is EMI(Electromagnetic Interference electromagnetic interference) phenomenon, and performance reduces or operation irregularity after electronic equipment is interfered, as make broadcast receiver produce noise, make mobile phone screen Hua Ping etc. in the time showing, affect the normal use of electronic equipment.
Utility model content
The purpose of this utility model is to provide a kind of anti-tampering FPC and solves in prior art because electronic equipment is prone to the problem that operating state is abnormal after being disturbed.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of anti-tampering FPC; comprise FPC plate; described FPC plate at least comprises backing material plate and is arranged at the diaphragm on backing material plate; between described backing material plate and diaphragm, be connected by glue-line; the face that described FPC plate is corresponding with the pcb board (Printed Circuit Board printed circuit board) of electronic equipment is provided with reinforcement steel disc; on described reinforcement steel disc, post conductive fabric, the another side of described conductive fabric and pcb board laminating.
On the basis of technique scheme, the utility model can also do following improvement.
Further, described conductive fabric at least comprises polyester fiber cloth and is arranged at the plated metal coating on described polyester fiber cloth;
Further, the surface configuration of described conductive fabric is plain weave or grid;
Further, described FPC plate is lamina, doubling plate or multi-layer sheet;
Further, electromagnetic shielding film is all posted on the two sides of described FPC plate;
Further, the thickness of described electromagnetic shielding film is not less than 20 microns;
Further, the material of described glue-line is epoxy resin or acrylic;
Further, described FPC plate is provided with the access area of ground connection, and described access area is connected with ground path;
Further, described access area is arranged at non-wiring region or non-wiring layer on FPC plate;
Further, described access area is the grid copper applying on FPC plate.
The beneficial effects of the utility model are: the utility model is strengthened the conductive fabric between steel disc and pcb board by being arranged on FPC plate, make the link tester of FPC plate cross conductive fabric and can shield interference, that electronic equipment operation is more stable, and because conductive fabric has the thermal property of leading, can also strengthen near the radiating effect of the electronic component of FPC plate, by electromagnetic shielding film being set on the two sides of FPC plate, can further coordinate the shield effectiveness of conductive fabric, the grid copper of ground connection is set by the non-wiring region on FPC plate or non-wiring layer place, can further reduce interference, and grid copper can coordinate and has the excellent FPC plate detouring, easy fracture and coming off not in the time that FPC plate is bending.
Brief description of the drawings
Fig. 1 is the utility model FPC structural representation;
Fig. 2 is that in the utility model FPC structure, FPC plate is implemented illustration;
Fig. 3 is access area structural representation in the utility model FPC structure.
In accompanying drawing, the parts of each label representative are as follows:
1, FPC plate, 11, backing material plate, 12, diaphragm, 2, strengthen steel disc, 3, conductive fabric, 4, pcb board, 5, grid copper, 6, electromagnetic shielding film.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
Be respectively as depicted in figs. 1 and 2 FPC plate in the utility model FPC structural representation and FPC structure and implement illustration; comprise FPC plate 1; described FPC plate 1 at least comprises backing material plate 11 and is arranged at the diaphragm 12 on backing material plate; between described backing material plate 11 and diaphragm 12, be connected by glue-line; described FPC plate 1 face relative with pcb board 4 is provided with strengthens steel disc 2; on described reinforcement steel disc 2, post the one side of conductive fabric 3, the another side of described conductive fabric 3 and pcb board 4 are fitted.
Further, described conductive fabric 3 at least comprises polyester fiber cloth and is arranged at the plated metal coating on described polyester fiber cloth; The surface configuration of described conductive fabric 3 is plain weave or grid; Described FPC plate 1 is lamina, doubling plate or multi-layer sheet; Electromagnetic shielding film 6 is all posted on the two sides of described FPC plate 1; The thickness of described electromagnetic shielding film 6 is not less than 20 microns; The material of described glue-line is epoxy resin or acrylic;
Access area structural representation in the utility model FPC structure as shown in Figure 3, described FPC plate is provided with the access area of ground connection, and described access area is connected with ground path; Described access area is arranged at non-wiring region or non-wiring layer on FPC plate; Described access area is the grid copper 5 applying on FPC plate.
On FPC plate 1, strengthen the conductive fabric 3 between steel disc 2 and pcb board 4 by being arranged on, make the link tester of FPC plate 1 cross conductive fabric 3 and can shield interference, and because conductive fabric 3 has the thermal property of leading, also there is radiating effect, by electromagnetic shielding film 6 being set on the two sides of FPC plate 1, can further coordinate the shield effectiveness of conductive fabric 3, the grid copper 5 of ground connection is set by the non-wiring region on FPC plate 1 or non-wiring layer place, can further reduce interference, and grid copper 5 can coordinate and has the excellent FPC plate detouring, easy fracture and coming off not in the time that FPC plate is bending.
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 amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. an anti-tampering FPC; it is characterized in that: comprise FPC plate; described FPC plate at least comprises backing material plate and is arranged at the diaphragm on backing material plate; between described backing material plate and diaphragm, be connected by glue-line; the described FPC plate face corresponding with the pcb board of electronic equipment is provided with reinforcement steel disc; on described reinforcement steel disc, post conductive fabric, the another side of described conductive fabric and pcb board laminating.
2. the anti-tampering FPC of one according to claim 1, is characterized in that: described conductive fabric at least comprises polyester fiber cloth and is arranged at the plated metal coating on described polyester fiber cloth.
3. the anti-tampering FPC of one according to claim 1, is characterized in that: the surface configuration of described conductive fabric is plain weave or grid.
4. the anti-tampering FPC of one according to claim 1, is characterized in that: described FPC plate is lamina, doubling plate or multi-layer sheet.
5. the anti-tampering FPC of one according to claim 1, is characterized in that: electromagnetic shielding film is all posted on the two sides of described FPC plate.
6. the anti-tampering FPC of one according to claim 1, is characterized in that: the thickness of described electromagnetic shielding film is not less than 20 microns.
7. the anti-tampering FPC of one according to claim 1, is characterized in that: the material of described glue-line is epoxy resin or acrylic.
8. according to the anti-tampering FPC of the one described in any one in claim 1 to 7, it is characterized in that: described FPC plate is provided with the access area of ground connection, described access area is connected with ground path.
9. the anti-tampering FPC of one according to claim 8, is characterized in that: described access area is arranged at non-wiring region or non-wiring layer on FPC plate.
10. the anti-tampering FPC of one according to claim 8, is characterized in that: described access area is the grid copper applying on FPC plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328383.0U CN203896585U (en) | 2014-06-19 | 2014-06-19 | Anti-interference FPC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328383.0U CN203896585U (en) | 2014-06-19 | 2014-06-19 | Anti-interference FPC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203896585U true CN203896585U (en) | 2014-10-22 |
Family
ID=51722931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420328383.0U Expired - Fee Related CN203896585U (en) | 2014-06-19 | 2014-06-19 | Anti-interference FPC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203896585U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430885A (en) * | 2015-12-30 | 2016-03-23 | 广东威创视讯科技股份有限公司 | Design method of LED circuit module, LED circuit module and LED display screen |
| CN108877533A (en) * | 2018-07-18 | 2018-11-23 | 厦门美图移动科技有限公司 | Display screen and electronic equipment |
-
2014
- 2014-06-19 CN CN201420328383.0U patent/CN203896585U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430885A (en) * | 2015-12-30 | 2016-03-23 | 广东威创视讯科技股份有限公司 | Design method of LED circuit module, LED circuit module and LED display screen |
| CN105430885B (en) * | 2015-12-30 | 2019-03-01 | 广东威创视讯科技股份有限公司 | A kind of design method of LED circuit module, LED circuit module and LED display |
| CN108877533A (en) * | 2018-07-18 | 2018-11-23 | 厦门美图移动科技有限公司 | Display screen and electronic equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20160619 |