CN102883520B - Flexible circuit board - Google Patents
Flexible circuit board Download PDFInfo
- Publication number
- CN102883520B CN102883520B CN201110251260.2A CN201110251260A CN102883520B CN 102883520 B CN102883520 B CN 102883520B CN 201110251260 A CN201110251260 A CN 201110251260A CN 102883520 B CN102883520 B CN 102883520B
- Authority
- CN
- China
- Prior art keywords
- circuit board
- flexible circuit
- main body
- golden finger
- protective layer
- 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.)
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Links
- 239000011241 protective layer Substances 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims description 22
- 229920001721 polyimide Polymers 0.000 claims description 7
- 239000009719 polyimide resin Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 239000011889 copper foil Substances 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 229920002223 polystyrene Polymers 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 230000007547 defect Effects 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Structure Of Printed Boards (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
Abstract
The invention discloses a flexible circuit board, which comprises a main body, a plurality of golden fingers and at least one protective layer, wherein each golden finger is positioned at a corresponding plugging part and a corresponding plugging protection part of the main body; the invention utilizes the protective layer to cover the plugging protective parts, so that the flexible circuit board is not easy to peel off after being plugged and pulled for many times, and the defects of poor current conduction and the like are overcome.
Description
Technical field
The present invention relates to a kind of flexible circuit board, espespecially a kind of with protective layer cover plug protection portion and not easily generating material peel off the flexible circuit board of situation.
Background technology
Printed circuit board (PCB) is the circuit product made with printing technology.In early days that metal melting is surperficial in insulation board, to produce required circuit.Nineteen thirty, manufacture method trended towards unwanted region to remove with etching mode for latter stage.And after generation nineteen sixty that arrives, epoxy resin base plate is widely used, and becomes the Primary resins base material of circuit board making.Having wide range of applications of circuit board, in computer, mobile phone, electronic toy, printer etc. the consumer products of people's daily life finding, circuit board is all its indispensable significant components.
And flexible circuit board has possessed the characteristic of soft deflection, therefore have suitable technical advantage.Show the line design aspect of solid space especially, flexible circuit board provides variability broader in design level and elasticity.Refer to Fig. 1, it illustrates the schematic diagram of existing flexible circuit board.The surface of existing flexible circuit board 1 is laid with the golden finger 11 be arranged side by side.The function of golden finger 11 allows the fixing contact of thimble, uses On current.
Referring again to Fig. 2, the material that it illustrates the golden finger of existing flexible circuit board peels off schematic diagram.But, the plug end of the golden finger 11 of existing flexible circuit board 1 is after flexible circuit board more than 1 plug, normal generating material peels off situation (locating as indicated by the arrows in the figure), and cause shortcomings such as current lead-through bad grade, these problems are the technical task remained unsolved at present.
Summary of the invention
Because every problem of the prior art, present inventor, based on research and development for many years and many practical experience, proposes a kind of flexible circuit board, using as implementation and the foundation of improving above-mentioned shortcoming.
According to above-mentioned purpose of the present invention; the invention provides a kind of flexible circuit board; comprise main body, multiple golden finger and protective layer; this subject definition has multiple plug portion and multiple plug protection portion; described multiple golden finger compartment of terrain is arranged in this main body; each golden finger position is in the corresponding plug portion of this main body and plug protection portion accordingly, and described protective layer covers described plug protection portion.The material of each golden finger is Copper Foil or gold.The material of described protective layer is polyimide resin or polystyrene.Each plug portion has the first width, and each golden finger has the second width, and described second width is equal to or greater than described first width.Described protective layer has horizontal edge, and this horizontal edge is parallel with the leading edge of main body or not parallel.
According to above-mentioned purpose of the present invention; the invention provides a kind of flexible circuit board; comprise main body, multiple golden finger and multiple protective layer; this subject definition has multiple plug portion and multiple plug protection portion; described multiple golden finger compartment of terrain is arranged in this main body; each golden finger position is in the corresponding plug portion of main body and plug protection portion accordingly, and described multiple protective layer covers described multiple plug protection portion.The material of each golden finger is Copper Foil or gold.The material of described multiple protective layer is polyimide resin or polystyrene.Each plug portion has the first width, and each golden finger has the second width, and described second width is equal to or greater than described first width.Each in described multiple protective layer has horizontal edge, and this horizontal edge is parallel or not parallel with the leading edge of described main body.
From the above, according to flexible circuit board of the present invention, it can have one or more following advantage:
(1) this flexible circuit board covers the plug protection portion situation of peeling off to improve material by utilizing protective layer.
(2) this flexible circuit board solves the bad problem of current lead-through by utilizing protective layer to cover plug protection portion.
In order to the effect disclosing technical characteristic of the present invention further and reach, only detailed description is coordinated to be described with preferred embodiment hereinafter.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing flexible circuit board;
Fig. 2 is that the material of the golden finger of existing flexible circuit board peels off schematic diagram;
Fig. 3 is the schematic top plan view of the first preferred embodiment of flexible circuit board of the present invention;
Fig. 4 is the side cutaway view of the first preferred embodiment of flexible circuit board of the present invention;
Fig. 5 is the schematic top plan view of the second preferred embodiment of flexible circuit board of the present invention;
Fig. 6 is the schematic top plan view of the 3rd preferred embodiment of flexible circuit board of the present invention;
Fig. 7 is the schematic top plan view of the 4th preferred embodiment of flexible circuit board of the present invention; And
Fig. 8 is the schematic top plan view of the 5th preferred embodiment of flexible circuit board of the present invention.
[primary clustering symbol description]
1 flexible circuit board
11 golden fingers
2 main bodys
21 golden fingers
211 plug portions
212 plug protection portion
22 protective layers
221 horizontal edges
23 leading edges
A first width
B second width
X-X hatching
Embodiment
The preferred embodiment of flexible circuit board of the present invention is described hereinafter with reference to correlation diagram, and for ease of understanding, the same components in following embodiment illustrates with identical symbology.
First, schematic top plan view and the side cutaway view of the first preferred embodiment of flexible circuit board of the present invention is respectively illustrated please refer to Fig. 3 and Fig. 4, Fig. 3 and Fig. 4.Fig. 4 shows the cutaway view along Fig. 3 section line X-X.First preferred embodiment of flexible circuit board of the present invention comprises main body 2, multiple golden finger 21 and protective layer 22.These golden finger 21 compartment of terrains be arranged at this main body 2 at least one on the surface.On the described surface of this main body 2, definition has multiple plug portion 211 and multiple plug protection portion 212, and this main body 2 also at least comprises substrate (not shown), and the material of this substrate is (such as) mylar or polyimide resin.The material of each golden finger 21 is metal, such as, be Copper Foil or gold.Each golden finger 21 is positioned at the corresponding plug portion 211 of main body 2 and corresponding plug protection portion 212, and this plug protection portion 212 is positioned at leading edge 23 place near this main body 2, and each plug protection portion 212 has the first width A.And each golden finger 21 has the second width B, and described second width B equals described first width A.Described protective layer 22 covers described multiple plug protection portion 212.This protective layer 22 has horizontal edge 221, and this horizontal edge 221 is parallel with the leading edge 23 of main body 2.The material of this protective layer 22 is (such as) polyimide resin or polystyrene.
Referring again to Fig. 5, it illustrates the schematic top plan view of the second preferred embodiment of flexible circuit board of the present invention.Second preferred embodiment of flexible circuit board of the present invention comprises main body 2, multiple golden finger 21 and protective layer 22.Described multiple golden finger 21 compartment of terrain be arranged at this main body 2 at least one on the surface, this main body 2 described at least one defined multiple plug portion 211 and multiple plug protection portion 212 on the surface.Each golden finger 21 is positioned at the corresponding plug portion 211 of main body 2 and corresponding plug protection portion 212, and described plug protection portion 212 is positioned at leading edge 23 place near this main body 2.Described protective layer 22 covers described multiple plug protection portion 212.From aforementioned first preferred embodiment different be in, described second width B is greater than described first width A.
Please consult Fig. 6 more simultaneously, it illustrates the schematic top plan view of the 3rd preferred embodiment of flexible circuit board of the present invention.3rd preferred embodiment of flexible circuit board of the present invention comprises main body 2, multiple golden finger 21 and protective layer 22.Described multiple golden finger 21 compartment of terrain be arranged at this main body 2 at least one on the surface, this main body 2 described at least one defined multiple plug portion 211 and multiple plug protection portion 212 on the surface.Each golden finger 21 is positioned at this plug portion 211 corresponding of this main body 2 and corresponding plug protection portion 212, and described plug protection portion 212 is positioned at leading edge 23 place near this main body 2.Described protective layer 22 covers described multiple plug protection portion 212, and this protective layer 22 has horizontal edge 221.From aforementioned first preferred embodiment different be in, this horizontal edge 221 is not parallel with the leading edge 23 of main body 2.
Please consult Fig. 7 more simultaneously, it illustrates the schematic top plan view of the 4th preferred embodiment of flexible circuit board of the present invention.4th preferred embodiment of flexible circuit board of the present invention comprises main body 2, multiple golden finger 21 and multiple protective layer 22.Described multiple golden finger 21 compartment of terrain be arranged at this main body 2 at least one on the surface, at least one of this main body 2 has defined multiple plug portion 211 and multiple plug protection portion 212 on the surface.Each golden finger 21 is positioned at the corresponding plug portion 211 of this main body 2 and corresponding plug protection portion 212, and described plug protection portion 212 is positioned at leading edge 23 place near this main body 2.From aforementioned first preferred embodiment different be in, each protective layer 23 covers the part in described multiple plug protection portion 212 and each plug portion 211 respectively.Each protective layer 22 has horizontal edge 221.Each horizontal edge 221 is parallel with the leading edge 23 of described main body.
Please consult Fig. 8 more simultaneously, it illustrates the schematic top plan view of the 5th preferred embodiment of flexible circuit board of the present invention.5th preferred embodiment system of flexible circuit board of the present invention comprises main body 2, multiple golden finger 21 and multiple protective layer 22.Those golden finger 21 compartment of terrains be arranged at this main body 2 at least one on the surface, at least one of this main body 2 has defined multiple plug portion 211 and multiple plug protection portion 212 on the surface.Each golden finger 21 is positioned at the corresponding plug portion 211 of this main body 2 and corresponding plug protection portion 212, and described plug protection portion 212 is positioned at leading edge 23 place near this main body 2.Each protective layer 22 covers the part in described multiple plug protection portion 212 and described multiple plug portion 211 respectively.Each protective layer 22 has horizontal edge 221.From aforementioned 4th preferred embodiment different be in, each horizontal edge 221 is not parallel with this leading edge 23 of this main body 2.
In the 3rd preferred embodiment of aforementioned flexible circuit board of the present invention, the 4th preferred embodiment and the 5th preferred embodiment, the second width B is equal to or greater than the first width A.
Such as, specifically in the second to the 5th preferred embodiment of flexible circuit board of the present invention, the material of each golden finger 21 is metal, is Copper Foil or gold.And the material of this protective layer is (such as) polyimide resin or polystyrene.
Need illustrate again, in first to the 5th preferred embodiment of flexible circuit board of the present invention, this main body 2 at least comprises substrate and bonding coat, structure due to main body 2 is not of the present invention will put place, and its to be the related personnel knowing the technology of the present invention field can understand easily, therefore not repeat them here.
Again specifically, first to the 5th preferred embodiment of flexible circuit board of the present invention has the flexible circuit board of golden finger 21 for one side, but flexible circuit board of the present invention also can be the two-sided flexible circuit board with golden finger 21, and these are only citing, but the present invention is not limited thereto.
Need illustrate, the thickness of aforementioned golden finger 21 depending on the demand in design, need will be put place due to not of the present invention, therefore also repeat no more in this again.
Again specifically, flexible circuit board of the present invention group of also can arranging in pairs or groups is established (such as the part such as stiffening plate or anti-dazzling screen), will put place, therefore also repeat no more at this due to not of the present invention.
In sum, flexible circuit board of the present invention at least has following advantage:
The present invention covers described plug protection portion 212 with protective layer 22, and after therefore flexible circuit board of the present invention repeatedly plugs, the not easily generating material situation of peeling off, improves many disappearances such as current lead-through is bad.
The foregoing is only illustrative, but not be restrictive.Anyly do not depart from spirit of the present invention and category and all should be contained in the scope of claims its equivalent modifications of carrying out or change.
Claims (10)
1. a flexible circuit board, is characterized in that, comprising:
Main body, described subject definition has multiple plug portion and multiple plug protection portion;
Multiple golden finger, the material of described multiple golden finger is metal, described multiple golden finger compartment of terrain be arranged at described main body at least one on the surface, and golden finger position described in each is in the corresponding described plug portion of described main body and corresponding described plug protection portion, described multiple plug protection portion is positioned at the leading edge place near described main body; And
Protective layer, cover described multiple plug protection portion, wherein described in each, plug portion has the first width, and golden finger described in each has the second width, and described second width is equal to or greater than described first width.
2. flexible circuit board as claimed in claim 1, it is characterized in that, the material of golden finger described in each is Copper Foil or gold.
3. flexible circuit board as claimed in claim 1, it is characterized in that, the material of described protective layer is polyimide resin or polystyrene.
4. flexible circuit board as claimed in claim 1, it is characterized in that, described protective layer has horizontal edge, and described horizontal edge is parallel with the described leading edge of described main body.
5. flexible circuit board as claimed in claim 1, it is characterized in that, described protective layer has horizontal edge, and the described leading edge of described horizontal edge and described main body is not parallel.
6. a flexible circuit board, is characterized in that, is comprise:
Main body, described subject definition has multiple plug portion and multiple plug protection portion;
Multiple golden finger, the material of described multiple golden finger is metal, described multiple golden finger compartment of terrain be arranged at described main body at least one on the surface, and golden finger position described in each is in the corresponding described plug portion of described main body and corresponding described plug protection portion, described multiple plug protection portion is positioned at the leading edge place near described main body; And
Multiple protective layer; series of strata are protected to cover the part in described multiple plug protection portion and described multiple plug portion respectively described in each; wherein described in each, plug portion has the first width; and golden finger described in each has the second width, and described second width system is equal to or greater than described first width.
7. flexible circuit board as claimed in claim 6, it is characterized in that, the material of golden finger described in each is Copper Foil or gold.
8. flexible circuit board as claimed in claim 6, it is characterized in that, the material of described multiple protective layer is polyimide resin or polystyrene.
9. flexible circuit board as claimed in claim 6, is characterized in that, each in described multiple protective layer has horizontal edge, and described horizontal edge is parallel with the described leading edge of described main body.
10. flexible circuit board as claimed in claim 6, is characterized in that, each in described multiple protective layer has horizontal edge, and the described leading edge of described horizontal edge and described main body is not parallel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100124809A TWI414220B (en) | 2011-07-13 | 2011-07-13 | Flexible printed circuit |
| TW100124809 | 2011-07-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102883520A CN102883520A (en) | 2013-01-16 |
| CN102883520B true CN102883520B (en) | 2015-11-25 |
Family
ID=47484596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110251260.2A Active CN102883520B (en) | 2011-07-13 | 2011-08-25 | Flexible circuit board |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102883520B (en) |
| TW (1) | TWI414220B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918420B (en) * | 2014-03-11 | 2018-03-16 | 深南电路有限公司 | A kind of processing method of golden finger and the board structure of circuit with golden finger |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2669240Y (en) * | 2003-12-09 | 2005-01-05 | 陈荣村 | Protection device for heat running-channel temp. controller |
| CN101854773A (en) * | 2009-03-30 | 2010-10-06 | 鸿富锦精密工业（深圳）有限公司 | Gold finger protecting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI341146B (en) * | 2007-07-20 | 2011-04-21 | Foxconn Advanced Tech Inc | Flexible printed circuit board |
| TWI343772B (en) * | 2008-06-10 | 2011-06-11 | Compeq Mfg Co Ltd | Rigid-flexible printed circuit board with peelable mask and method of making |
-
2011
- 2011-07-13 TW TW100124809A patent/TWI414220B/en active
- 2011-08-25 CN CN201110251260.2A patent/CN102883520B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2669240Y (en) * | 2003-12-09 | 2005-01-05 | 陈荣村 | Protection device for heat running-channel temp. controller |
| CN101854773A (en) * | 2009-03-30 | 2010-10-06 | 鸿富锦精密工业（深圳）有限公司 | Gold finger protecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201304631A (en) | 2013-01-16 |
| TWI414220B (en) | 2013-11-01 |
| CN102883520A (en) | 2013-01-16 |
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