CN101848599B - Flexible printing circuit board - Google Patents
Flexible printing circuit board Download PDFInfo
- Publication number
- CN101848599B CN101848599B CN2009101326074A CN200910132607A CN101848599B CN 101848599 B CN101848599 B CN 101848599B CN 2009101326074 A CN2009101326074 A CN 2009101326074A CN 200910132607 A CN200910132607 A CN 200910132607A CN 101848599 B CN101848599 B CN 101848599B
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- CN
- China
- Prior art keywords
- hollow part
- circuit board
- flexible printed
- printed wiring
- reinforced structure
- 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 invention discloses a flexible printing circuit board, comprising a circuit board body which is provided with a first permeable part and an earth terminal, wherein the periphery of the first permeable part is provided with a reinforced structure; the reinforced structure has electrical conductivity and is connected with the earth terminal of the body of the circuit board; the body of the circuit board is stuck with a protective layer which comprises a second permeable part and a third permeable part, the second permeable part corresponds to the first permeable part, and the third permeable part corresponds to the reinforced structure. Thus static electricity is guided into the reinforced structure from the third permeable part and flows into the earth terminal of the circuit board so as to prevent static electricity flowing to other circuits of the circuit board or damaging electronic assemblies.
Description
Technical field
The present invention refers to especially that relevant for a kind of flexible printed wiring board a kind of circuit board original structure that utilizes designs the Electrostatic Discharge safeguard structure of electrostatic guide to the circuit board earth terminal.
Background technology
Because static discharge (ESD; Electro static discharge) cause electronic installation to damage easily; therefore most electronic installations have all designed ESD protection circuit eliminating static, and electronic device circuit and electronic building brick are unlikely to be damaged because of the high pressure that static was produced to protect.But along with electronic installation gets over miniaturization, the electronic installation inner space constantly is compressed, and circuit board can utilize the space to reduce thereupon, and the difficult design degree of ESD protection circuit also improves relatively.
See also the structure chart that a kind of known flexible printed wiring board of Figure 1 and Figure 2 is arranged at liquid crystal panel, this flexible printed wiring board 10 adopts ACF (Anisotropic ConductiveFilm usually, anisotropic conductive film) gummed mode and liquid crystal panel 20 electrically connect, and make circuit 22 mutual conduction of circuit 15 with the integrated circuit 21 that is connected this liquid crystal panel 20 of this flexible printed wiring board 10.
This flexible printed wiring board 10 has a circuit board body 11, this circuit board body 11 has a neck 12, the width of this neck 12 is narrower than the width of this circuit board body 11, because this flexible printed wiring board 10 must turn down backward in this neck 12, therefore be provided with a hollow part 13 to improve flexility in this neck 12, be beneficial to turnover.So, pull in neck 12 fractures because of external force easily, circuit 15 is wrecked, therefore enclose Copper Foil 14 as reinforced structure around being provided with one in hollow part 13 peripheries of neck 12 because the setting of this hollow part 13 also causes neck 12 intensity to reduce.
See also shown in Figure 3; this flexible printed wiring board 10 more comprises a protective layer 16; this protective layer 16 has a body 161; one width is narrower than the neck 162 of this body 161; be provided with a hollow part 163 in this neck 162; this body 161; the circuit board body 11 of the external form of neck 162 and hollow part 163 and this flexible printed wiring board 10; neck 12 and hollow part 13 are corresponding mutually; be covered in this circuit board body 11 by these insulating protective layer 16 attachings; neck 12 surfaces; but protective circuit 15 or electronic building brick (not shown); simultaneously, protective layer 16 can cover the Copper Foil 14 of these hollow part 13 peripheries.Yet; though these Copper Foil 14 matcoveredns 16; but because Copper Foil 14 is extremely near this hollow part 13; therefore stationary electrode is scurried into by this hollow part 13 easily; enter circuit 15,22 via Copper Foil 14; and then flow to the integrated circuit 21 of this liquid crystal panel 20, thereby cause liquid crystal panel 20 or integrated circuit 21 to damage.Mandatory declaration be, under the situation that these neck 12 cabling space are allowed, no doubt can be with circuit 15 as far as possible away from Copper Foil 14, however pursue the trend of volume miniaturization with electronic product in recent years, flexible printed wiring board 10 volumes are got over and are become to dwindling, and also make the circuit layout degree of difficulty improve constantly.
Summary of the invention
Because the disappearance of known techniques the objective of the invention is to propose a kind of flexible printed wiring board, utilize circuit board original structure guiding static to flow into the circuit board earth terminal, avoid static to flee or cause electronic building brick to damage to other circuit of circuit board.
For achieving the above object, the present invention proposes a kind of flexible printed wiring board, this circuit board comprises a circuit board body, be provided with one first hollow part and an earth terminal in this circuit board body, be provided with a reinforced structure in this first hollow part periphery, this reinforced structure has conductivity and is connected in this earth terminal of this circuit board body.Be pasted with a protective layer on this circuit board body; this protective layer comprises one second hollow part and one the 3rd hollow part; wherein this second hollow part is corresponding to this first hollow part, and the 3rd hollow part is corresponding to this reinforced structure, and the 3rd hollow part exposes this reinforced structure of part.
Further understand and approval for having for structure purpose of the present invention and effect, cooperate diagram to describe in detail now as after.
Description of drawings
Fig. 1 is arranged at the structural representation of facing of liquid crystal panel for known flexible printed wiring board.
Fig. 2 is arranged at the side-looking structural representation of liquid crystal panel for known flexible printed wiring board.
Fig. 3 is the decomposition texture schematic diagram of known flexible printed wiring board.
Fig. 4 is a decomposition texture schematic diagram of the present invention.
Fig. 5 is arranged at the structure for amplifying of facing of liquid crystal panel for the present invention, and the path schematic diagram of guiding static.
The primary clustering symbol description
One, prior art:
The 10-flexible printed wiring board
11-circuit board body
The 12-neck
The 13-hollow part
The 14-Copper Foil
The 15-circuit
The 16-protective layer
The 161-body
The 162-neck
The 163-hollow part
The 20-liquid crystal panel
The 21-integrated circuit
The 22-circuit
Two, the present invention:
The 30-flexible printed wiring board
31-circuit board body
The 32-neck
33-first hollow part
The 34-reinforced structure
The 341-connector
The 35-circuit
The 36-protective layer
361-protective layer body
The 362-neck
363-second hollow part
364-the 3rd hollow part
The 37-earth terminal
40-static
The width of W31-circuit board body
The width of W32-neck
Embodiment
For reaching employed technological means of purpose and effect, and following graphic cited embodiment only is an aid illustration hereinafter with reference to the graphic the present invention of description who encloses, and in order to understanding, but that technological means of the present invention is not limited to is cited graphic.
See also shown in Figure 4, flexible printed circuit board structure provided by the present invention, this flexible printed wiring board 30 comprises a circuit board body 31, this circuit board body 31 is provided with circuit 35, earth terminal 37 and electronic building brick (not showing among the figure).This circuit board body 31 has a neck 32, the width W 32 of this neck 32 is narrower than the width W 31 of this circuit board body 31, be provided with one first hollow part 33 in this neck 32, around being provided with a circle reinforced structure 34, wherein be provided with a gap between this reinforced structure 34 and this first hollow part 33 in these first hollow part, 33 peripheries.This reinforced structure 34 connects a connection piece 341 and interconnects with this earth terminal 37, and this reinforced structure 34 and this connector 341 adopt the metal material with conductivity, Copper Foil etc. for example, that is this reinforced structure 34 and earth terminal 37 can see through this connector 341 and constitute and electrically connect.
As shown in Figure 4, be pasted with a protective layer 36 on this circuit board body 31, this protective layer 36 is the insulation material.This protective layer 36 has the neck 362 that a protective layer body 361, a width are narrower than this protective layer body 361, is provided with one second hollow part 363 and one the 3rd hollow part 364 in this neck 362.See also shown in Figure 5; the overall dimensions of this protective layer body 361, neck 362 and this second hollow part 363 are corresponding mutually with the circuit board body 31 of this flexible printed wiring board 30, neck 32 and first hollow part 33, and the 3rd hollow part 364 is corresponding to this reinforced structure 34.See through the covering of this protective layer 36, but protective circuit 35, electronic building brick (not showing among the figure), this connector 341 and earth terminal 37.Simultaneously, this protective layer 36 can cover most of reinforced structure 34 of these first hollow part, 33 peripheries, and exposes this reinforced structure 34 of part through the 3rd hollow part 364.
In sum, flexible printed circuit board structure provided by the invention, really can guide static and flow into the circuit board earth terminal, mandatory declaration be, in present embodiment, the shape of this first hollow part 33, reinforced structure 34, second hollow part 363 and the 3rd hollow part 364 all presents rectangle, but the actual size of visual this flexible printed wiring board 30 or shape and be designed to required geometry are not limited to shown in the illustrated embodiment.In addition; the kenel of this connector 341 is also decided by the position of this earth terminal 37; be not limited to the icon linearity; design focal point of the present invention is that the reinforced structure 34 that this is had conductivity electrically connects with circuit board earth terminal 37; and see through this protective layer 36 designs; only there is part reinforced structure 34 to be exposed to the 3rd hollow part 364; therefore can guide static 40 and flow directly into earth terminal 37 (as the indication of the arrow in the reinforced structure 34 path) by this exposed reinforced structure 34; and unlikely fleeing to other circuit 35 of circuit board can be avoided the integrated circuit 21 of liquid crystal panel 20 to be subjected to electrostatic impact and damage.
But the above only is embodiments of the invention, when can not with the scope implemented of qualification the present invention.Promptly the equalization of being done according to the present patent application claim generally changes and modifies, and all should still belong in the scope that patent of the present invention contains.
Claims (9)
1. flexible printed wiring board comprises:
One circuit board body, this circuit board body comprises one first hollow part and an earth terminal;
One reinforced structure, this reinforced structure has conductivity, and is arranged at this first hollow part periphery of this circuit board body, and is connected in this earth terminal of this circuit board body; And
One protective layer; this protective layer is attached on this circuit board body, and comprises one second hollow part and one the 3rd hollow part, and wherein this second hollow part is corresponding to this first hollow part; the 3rd hollow part is corresponding to this reinforced structure, and the 3rd hollow part exposes this reinforced structure of part.
2. flexible printed wiring board as claimed in claim 1 is characterized in that: this circuit board body has a neck, and the width of this neck is narrower than the width of this circuit board body.
3. flexible printed wiring board as claimed in claim 2 is characterized in that: this first hollow part is arranged at this neck.
4. flexible printed wiring board as claimed in claim 1 is characterized in that: this first hollow part, second hollow part and the 3rd hollow part are geometry.
5. flexible printed wiring board as claimed in claim 4 is characterized in that: this first hollow part and this second hollow part are all rectangular, and have identical size.
6. flexible printed wiring board as claimed in claim 4 is characterized in that: the 3rd hollow part of this protective layer is rectangular.
7. flexible printed wiring board as claimed in claim 1 is characterized in that: this protective layer is the insulation material.
8. flexible printed wiring board as claimed in claim 1 is characterized in that: be provided with a gap between this reinforced structure and this first hollow part.
9. flexible printed wiring board as claimed in claim 1 is characterized in that: the material of this reinforced structure is a copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101326074A CN101848599B (en) | 2009-03-27 | 2009-03-27 | Flexible printing circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101326074A CN101848599B (en) | 2009-03-27 | 2009-03-27 | Flexible printing circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101848599A CN101848599A (en) | 2010-09-29 |
| CN101848599B true CN101848599B (en) | 2011-11-30 |
Family
ID=42773007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101326074A Expired - Fee Related CN101848599B (en) | 2009-03-27 | 2009-03-27 | Flexible printing circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101848599B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966950A (en) * | 2015-06-30 | 2015-10-07 | 常州超音电子有限公司 | Patch board capable of eliminating static electricity |
| CN111698357A (en) * | 2020-03-27 | 2020-09-22 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| CN111568350B (en) * | 2020-06-10 | 2023-03-24 | 重庆金山医疗技术研究院有限公司 | Capsule endoscope recorder |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101287328A (en) * | 2007-04-10 | 2008-10-15 | 鸿富锦精密工业（深圳）有限公司 | Flexible circuit board, processing method of said flexible circuit board and electronic device |
-
2009
- 2009-03-27 CN CN2009101326074A patent/CN101848599B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101287328A (en) * | 2007-04-10 | 2008-10-15 | 鸿富锦精密工业（深圳）有限公司 | Flexible circuit board, processing method of said flexible circuit board and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101848599A (en) | 2010-09-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20111130 Termination date: 20210327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |