CN204859736U - Flexible circuit board - Google Patents
Flexible circuit board Download PDFInfo
- Publication number
- CN204859736U CN204859736U CN201520365851.6U CN201520365851U CN204859736U CN 204859736 U CN204859736 U CN 204859736U CN 201520365851 U CN201520365851 U CN 201520365851U CN 204859736 U CN204859736 U CN 204859736U
- Authority
- CN
- China
- Prior art keywords
- hole
- contraposition
- judas
- base material
- flexible pcb
- 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
Links
Landscapes
- Structure Of Printed Boards (AREA)
Abstract
The utility model provides a flexible circuit board includes substrate and a plurality of circuit board, the substrate includes the panel that the multilayer stacked gradually, a plurality of circuit board interval distribution are in the surface of substrate, each circuit board includes the base plate, line layer and golden finger, at least two the supervision holes of counterpointing have been seted up on the substrate, counterpoint for at least two and keep watch on apex angle department and the diagonal angle department relative with this apex angle that the hole is located the substrate respectively, counterpoint and keep watch on the multi -layered board that runs through the substrate in the hole, therefore, when the laminating multi -layered board, can keep watch on pore pair position accuracy through guaranteeing the counterpoint on each plywood material, thereby the hole that drills out on outer panel when guaranteeing two brills is accurate with the pore pair position on the inlayer panel, thereby effectively improve the skew problem of hole site, and then avoid opening a way or the short circuit phenomenon.
Description
Technical field
The utility model relates to circuit board technology field, particularly relates to a kind of flexible PCB.
Background technology
Along with the progress and development of science and technology, integrated circuit is widely used in technical field of electronic communication, and has had larger improvement.In order to adapt to the development of present touch-screen (such as mobile phone, palmtop PC etc.) toward frivolous direction, flexible PCB arises at the historic moment.
Flexible PCB (FlexiblePrintedCircuit, FPC) is that the one made for base material with polyimides or polyester film has height reliability, excellent flexible printed circuit.But conventional flex circuits plate easily cause when two boring procedures hole biased from, cause open circuit or short circuit phenomenon.
Utility model content
Based on this, be necessary for above-mentioned technical problem, provide a kind of hole of can improving biased from the flexible PCB to avoid open circuit or short circuit phenomenon.
A kind of flexible PCB, comprising:
Base material, roughly rectangular, have a surface, described base material comprises multi-layered board, and described multi-layered board is cascading; And
Multiple wiring board, spaced apart in the surface of described base material, each wiring board comprises substrate, line layer and golden finger, and described line layer and described golden finger are arranged on described substrate, and described golden finger is electrically connected with described line layer;
Wherein, described base material offers at least two contraposition Judas-hole, at least two described contraposition Judas-hole lay respectively at a drift angle place of described base material and the diagonal angle place relative with this drift angle, and described contraposition Judas-hole run through the multi-layered board of base material.
Wherein in an embodiment, the quantity of described contraposition Judas-hole is 16, and the quantity of the contraposition Judas-hole at described drift angle place is 8, and the quantity of the contraposition Judas-hole at the diagonal angle place relative with this drift angle is 8.
Wherein in an embodiment, 8 contraposition Judas-hole at described drift angle place divide two rows evenly to arrange, and 8 contraposition Judas-hole at the diagonal angle place relative with this drift angle divide two rows evenly to arrange.
Wherein in an embodiment, the surface of described base material also offers steam vent.
Wherein in an embodiment, the quantity of described steam vent is multiple, and multiple described steam vent is spaced apart on base material.
Wherein in an embodiment, described substrate comprises connecting portion connected successively, body, kink and ear portion, and described line layer extends to described ear portion by described connecting portion via described body, kink, and described golden finger position is in described ear portion.
Wherein in an embodiment, described kink offers Lou tin hole.
Wherein in an embodiment, the quantity in described leakage tin hole is 1 ~ 3.
Wherein in an embodiment, described golden finger is provided with coverlay.
Wherein in an embodiment, the thickness of described coverlay is 0.05 ~ 0.15mm.
Above-mentioned flexible PCB at least has the following advantages:
Base material comprises multi-layered board, multi-layered board is cascading, because offer at least two contraposition Judas-hole on base material, at least two contraposition Judas-hole lay respectively at a drift angle place of base material and the diagonal angle place relative with this drift angle, and contraposition Judas-hole run through the multi-layered board of base material, therefore, when fitting multi-layered board, can be accurate by ensureing the contraposition Judas-hole contraposition on each laminate material, thus ensure that the hole contraposition on two holes that get out on lamina rara externa material when boring and internal layer sheet material is accurate, thus effectively improve hole biased from problem, and then avoid open circuit or short circuit phenomenon.
Accompanying drawing explanation
Fig. 1 is the vertical view of the flexible PCB in an execution mode;
Fig. 2 is the schematic diagram of wiring board in Fig. 1;
Fig. 3 is the partial enlarged drawing at A place in Fig. 2.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the utility model.But the utility model can be much different from alternate manner described here to implement, those skilled in the art can when doing similar improvement without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public concrete enforcement.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique execution mode.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in specification of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Referring to Fig. 1, is the flexible PCB 10 in an execution mode.This flexible PCB 10 comprises base material 100 and multiple wiring board 200.This flexible PCB 10 can be applied in the electronic products such as mobile phone.
The material of base material 100 is generally polyimides or polyester film, has stronger pliability and bending property.Base material 100 is roughly rectangular, has a surface.Base material 100 comprises multi-layered board, and multi-layered board is cascading.
Base material 100 offers at least two contraposition Judas-hole 110, at least two contraposition Judas-hole 110 lay respectively at a drift angle place of base material 100 and the diagonal angle place relative with this drift angle, and contraposition Judas-hole 110 run through the multi-layered board of base material 100.Specific in present embodiment, the quantity of contraposition Judas-hole 110 is 16, and the quantity of the contraposition Judas-hole 110 at drift angle place is 8, and the quantity of the contraposition Judas-hole 110 at the diagonal angle place relative with this drift angle is 8.Certainly, in other embodiments, the quantity of contraposition Judas-hole 110 can also be other quantity, such as 10,12 etc.
8 contraposition Judas-hole 110 point two row evenly arrangement at drift angle place, 8 contraposition Judas-hole 110 point two at the diagonal angle place relative with this drift angle are arranged and are evenly arranged.The diameter range of contraposition Judas-hole 110 is for being more than or equal to 1.5mm.
The surface of base material 100 also offers steam vent 120, because of liquid medicine phenomenon of osmosis that bubble causes when steam vent 120 can improve pressing.The quantity of steam vent 120 is multiple, and multiple steam vent 120 is spaced apart on base material 100.The diameter of steam vent 120 is more than or equal to 1mm.
Multiple wiring board 200 is spaced apart on the surface of base material 100.Particularly, 6 wiring boards 200 can be set on the surface of base material 100.Certainly, in other embodiments, 4,5 or more wiring board 200 also can be set according to actual needs.
See also Fig. 2 and Fig. 3, specific in present embodiment, each wiring board 200 comprises substrate 210, line layer 220 and golden finger 230.Line layer 220 and golden finger 230 are all arranged on substrate 210, and golden finger 230 is electrically connected with line layer 220.Particularly, line layer 220 and golden finger 230 can be formed on substrate 210 by the mode etched or print.
Substrate 210 comprises connecting portion 211 connected successively, body 212, kink 213 and ear portion 214, and line layer 220 extends to ear portion 214 by connecting portion 211 via body 212, kink 213, and golden finger 230 is positioned in ear portion 214.Specific in present embodiment, kink 213 also offers Lou tin hole 213a, the quantity of leaking tin hole 213a can be 1 ~ 3.The object offering Lou tin hole 213a is to improve ground connection weld strength.The diameter range leaking tin hole 213a can be 0.4mm ~ 0.6mm, such as, can be 0.5mm.
See also Fig. 3, golden finger 230 can also arrange coverlay 240, coverlay 240 adds the adhesion between golden finger 230 and substrate 210, prevents golden finger 230 from coming off or is fractureed.The thickness range of coverlay 240 can be 0.05mm ~ 0.15mm, such as, can be 0.1mm.
Above-mentioned flexible PCB 10 at least has the following advantages:
Base material 100 comprises multi-layered board, multi-layered board is cascading, because offer at least two contraposition Judas-hole 110 on base material 100, at least two contraposition Judas-hole 110 lay respectively at a drift angle place of base material 100 and the diagonal angle place relative with this drift angle, and contraposition Judas-hole 110 run through the multi-layered board of base material 100, therefore, when fitting multi-layered board, can be accurate by ensureing contraposition Judas-hole 110 contraposition on each laminate material, thus ensure that the hole contraposition on two holes that get out on lamina rara externa material when boring and internal layer sheet material is accurate, thus effectively improve hole biased from problem, and then avoid open circuit or short circuit phenomenon.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a flexible PCB, is characterized in that, comprising:
Base material, roughly rectangular, have a surface, described base material comprises multi-layered board, and described multi-layered board is cascading; And
Multiple wiring board, spaced apart in the surface of described base material, each wiring board comprises substrate, line layer and golden finger, and described line layer and described golden finger are arranged on described substrate, and described golden finger is electrically connected with described line layer;
Wherein, described base material offers at least two contraposition Judas-hole, at least two described contraposition Judas-hole lay respectively at a drift angle place of described base material and the diagonal angle place relative with this drift angle, and described contraposition Judas-hole run through the multi-layered board of base material.
2. flexible PCB according to claim 1, is characterized in that, the quantity of described contraposition Judas-hole is 16, and the quantity of the contraposition Judas-hole at described drift angle place is 8, and the quantity of the contraposition Judas-hole at the diagonal angle place relative with this drift angle is 8.
3. flexible PCB according to claim 2, is characterized in that, 8 contraposition Judas-hole at described drift angle place divide two rows evenly to arrange, and 8 contraposition Judas-hole at the diagonal angle place relative with this drift angle divide two rows evenly to arrange.
4. flexible PCB according to claim 1, is characterized in that, the surface of described base material also offers steam vent.
5. flexible PCB according to claim 4, is characterized in that, the quantity of described steam vent is multiple, and multiple described steam vent is spaced apart on base material.
6. flexible PCB according to claim 1, it is characterized in that, described substrate comprises connecting portion connected successively, body, kink and ear portion, and described line layer extends to described ear portion by described connecting portion via described body, kink, and described golden finger position is in described ear portion.
7. flexible PCB according to claim 6, is characterized in that, described kink offers Lou tin hole.
8. flexible PCB according to claim 7, is characterized in that, the quantity in described leakage tin hole is 1 ~ 3.
9. flexible PCB according to claim 1, is characterized in that, described golden finger is provided with coverlay.
10. flexible PCB according to claim 9, is characterized in that, the thickness of described coverlay is 0.05 ~ 0.15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365851.6U CN204859736U (en) | 2015-05-29 | 2015-05-29 | Flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365851.6U CN204859736U (en) | 2015-05-29 | 2015-05-29 | Flexible circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204859736U true CN204859736U (en) | 2015-12-09 |
Family
ID=54750243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520365851.6U Expired - Fee Related CN204859736U (en) | 2015-05-29 | 2015-05-29 | Flexible circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204859736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979701A (en) * | 2016-07-07 | 2016-09-28 | 上达电子（深圳）股份有限公司 | Flexible printed circuit |
-
2015
- 2015-05-29 CN CN201520365851.6U patent/CN204859736U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979701A (en) * | 2016-07-07 | 2016-09-28 | 上达电子（深圳）股份有限公司 | Flexible printed circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10871689B2 (en) | Display substrate, display panel, display device and bonding method | |
| WO2008146884A1 (en) | Method for plating wiring board, and wiring board | |
| CN207603986U (en) | Anti-tear flexible PCB | |
| CN204859736U (en) | Flexible circuit board | |
| CN205912325U (en) | High -density interconnection board | |
| US9042116B2 (en) | Printed circuit board with daughterboard | |
| CN103079341B (en) | The structure of the anti-solder shorts of pcb board and there is the pcb board of this structure | |
| CN107155259B (en) | flexible circuit boards and preparation method thereof | |
| CN203276737U (en) | Flexible substrate and display device | |
| CN204836769U (en) | Flexible circuit board | |
| CN205510533U (en) | Link board subassembly and connector module | |
| CN105979701A (en) | Flexible printed circuit | |
| CN202005061U (en) | Printed circuit board (PCB) sandwich plate alignment structure | |
| CN205430771U (en) | FPC circuit board convenient to location | |
| CN206118158U (en) | Single flexible circuit board | |
| CN203722925U (en) | Flexible and hard combined circuit board with function of convenient three-dimensional assembling | |
| CN206181554U (en) | Flexible circuit board | |
| CN203968493U (en) | For the fixture of thin plate internal layer DES and brown production | |
| WO2021056427A1 (en) | Interposer, manufacturing method therefor, and circuit board assembly | |
| JP2005317912A5 (en) | ||
| CN207340286U (en) | Polyimides foamed substrate multi-layer board | |
| CN205017684U (en) | Adopt one -course three -layer flexible circuit board of fine copper preparation inlayer | |
| CN206835453U (en) | A kind of double-faced flexible wiring board | |
| CN201563287U (en) | Novel structure for locating circuit board | |
| CN204836767U (en) | Flexible circuit board |
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: 20151209 Termination date: 20160529 |