CN205793641U - A kind of FPC golden finger connecting ZIF stand - Google Patents
A kind of FPC golden finger connecting ZIF stand Download PDFInfo
- Publication number
- CN205793641U CN205793641U CN201620504035.3U CN201620504035U CN205793641U CN 205793641 U CN205793641 U CN 205793641U CN 201620504035 U CN201620504035 U CN 201620504035U CN 205793641 U CN205793641 U CN 205793641U
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- Prior art keywords
- pad
- broadside
- relative
- fpc
- wiring board
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- 230000007704 transition Effects 0.000 claims abstract description 9
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Combinations Of Printed Boards (AREA)
Abstract
This utility model relates to the FPC golden finger connecting ZIF stand, including FPC wiring board, at least one first pad and at least one the second pad, first pad and the second pad interlock and are located on FPC wiring board, first pad and the second pad are in contactless state each other, it is characterized in that, first pad is made up of the first relative broadside and the first opposite, narrow limit, and one end of the first relative broadside is connected by First Transition section with the first opposite, narrow limit；Broadside is made up of by the second pad the second relative broadside, the second opposite, narrow limit and third phase, and the second opposite, narrow limit connects the second relative broadside and third phase to broadside by corresponding changeover portion respectively；Height difference H is there is between the other end and the other end of the second relative broadside of the first relative broadside, thus ensure each pad and corresponding ZIF stand contact reliable contacts, effective safe distance is there is between the upper end of the first pad and FPC wiring board, avoid each pad, because of the plug bending of FPC wiring board, fracture occurs, it is ensured that FPC wiring board normally works.
Description
Technical field
This utility model relates to mobile phone terminal field, particularly relates to a kind of FPC golden finger connecting ZIF stand.
Background technology
In mobile phone terminal field, FPC (Flexible Printed Circuit) is also called flexible circuit board or FPC circuit
Plate, FPC is the printed circuit board (PCB) using flexible insulating substrate to make, FPC have that degree of crook is high, thickness is thin and
The features such as quality is little, carry out according to actual needs appropriately designed after, FPC wiring board may apply to different electronic products
In.The binding region of numerous flavous conductive contact blade of arranging on FPC wiring board composition, leads because these are flavous
Electric contact point appears as the finger of gold, therefore is also referred to as in the industry " golden finger ".
In the actual production process of FPC wiring board, along with the ZIF stand being electrically connected with FPC wiring board is constantly answered
With, corresponding FPC golden finger together is applied the most more therewith.The key made as FPC wiring board,
Golden finger is interface easy to plug, has the defect of easy fracture.Under normal circumstances, the golden finger on FPC wiring board has two
Kind of different types of pad, each pad respectively with keep good contact between the contact of corresponding ZIF stand, with guarantee
The normal work of FPC wiring board.
But, in place of the FPC golden finger on existing FPC wiring board yet suffers from some shortcomings: see shown in Fig. 1,
Under traditional conventional design, golden finger has a series of pad design, such as the A type pad that is crisscross arranged in Fig. 1 and
Type B pad, is separated by the narrowest between A type pad and Type B pad, A type pad has elongate extensions C, at FPC line
Causing above two pad fracture occur during road plate plug or bending, the extension C of A type pad the most easily meets B
Type pad and drop, ultimately resulting in all of golden finger of entire row cannot normally use, and FPC wiring board is also scrapped completely.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of it can be avoided that be crisscross arranged for above-mentioned prior art
Each pad between because FPC wiring board plug bending process and occur fracture, it is ensured that each pad is good with the contact of ZIF stand
Good contact, and ensure the FPC golden finger of connection ZIF stand that FPC wiring board normally works.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: a kind of FPC gold hands connecting ZIF stand
Refer to, including FPC wiring board, at least one first pad and at least one the second pad, the first pad and the second pad
Being crisscross arranged on FPC wiring board, the first pad and the second pad are in contactless state each other, it is characterised in that institute
State the first pad to be made up of the first relative broadside and the first opposite, narrow limit, one end of the first relative broadside and the first opposite, narrow limit
Connected by First Transition section；Described second pad by the second relative broadside, the second opposite, narrow limit and third phase to broadside group
Becoming, one end of the second relative broadside is connected by the second changeover portion with the second opposite, narrow limit, the other end on the second opposite, narrow limit
With third phase, broadside is connected by the 3rd changeover portion, First Transition section, the second changeover portion and the edge of the 3rd changeover portion
The most curved；Height difference H is there are between the other end and the other end of the second relative broadside of the described first relative broadside.
Wherein, the meaning that height difference H exists is, is ensureing that the first pad, the second pad touch with corresponding ZIF stand respectively
In the case of point realizes reliable contacts, it is ensured that exist between the upper end of the first pad and FPC wiring board effective safety away from
From, thus both ensured that the first pad will can be avoided again the first pad to suffer FPC by the damaged in collision of the second pad
The bending impact of wiring board upper end.
Further, the difference in height existed between the other end and the other end of the second relative broadside of the described first relative broadside
H is 0.7mm.The difference in height taking 0.7mm can keep having between the first pad and the second pad safe distance,
Avoid adjacent two the first pads and the second contact pads, with effectively prevent FPC wiring board bending to the first pad, second
The adverse effect of pad.
Further, in order to make the first pad and the second pad be in contactless state all the time, and each golden finger is ensured
Contact surface is relatively reliable, as improvement, the width D 1 of the relative broadside of the first of described first pad and the second pad
The width D 2 of the second relative broadside is 0.3mm；The width D 3 on the first opposite, narrow limit of described first pad and
The third phase of two pads is 0.2mm to the width D 4 of broadside；Length L1 of the relative broadside of the first of described first pad
For 1.1mm, length L1 of the second of the second pad broadside relatively is 0.7mm.
In order to meet the actual application needs of golden finger, as improving, described second pad at least has two again, next-door neighbour
Two second relative broadsides between interval D 5 be 0.3mm.Wherein, between the first adjacent pad and the second pad
Space D 6 be 0.1mm.Under the confined space of FPC wiring board, the first pad that this space D 6 can be adjacent with
There is the safe distance of minimum, to ensure that each pad can be on FPC wiring board and be well between second pad
Wiring, reasonably arranges pad, to improve the space availability ratio of FPC wiring board.
Further, in order to ensure that the first pad, the second pad realize effectively connecing with the contact of corresponding ZIF stand respectively
Touching, as improvement, described first pad contact point on ZIF stand is positioned at the centre position of its first relative broadside,
Described second pad contact point on ZIF stand is positioned at the centre position of its second relative broadside.Can selectively, institute
Stating distance d1 between first pad contact point on ZIF stand and FPC wiring board top is 1.45mm, described
Distance d2 between second pad contact point and FPC wiring board top on ZIF stand is 0.85mm.
Compared with prior art, the utility model has the advantage of: in the FPC golden finger in this utility model, first
Pad no longer has elongate extensions, to ensure that the overall dimensions of the second pad is widened accordingly, and pad and ZIF stand
Between contact relatively reliable；First pad is made up of the first relative broadside and the first opposite, narrow limit, the one of the first relative broadside
End is connected by First Transition section with the first opposite, narrow limit, and the second pad is by the second relative broadside, the second opposite, narrow limit and the
Three relative broadside compositions, one end of the second relative broadside is connected by the second changeover portion with the second opposite, narrow limit, and second is relative
Broadside is connected by the 3rd changeover portion by the other end on narrow limit with third phase, in the other end and second phase of the first relative broadside
There are height difference H between the other end of broadside, with ensure the first pad, the second pad respectively with corresponding ZIF
In the case of stand contact realizes reliable contacts, it is ensured that there is effective peace between the upper end of the first pad and FPC wiring board
Full distance, in order to FPC wiring board does not leak copper sheet in cutting makes, and reduces FPC burr, and the first pad will not be subject to
To the damaged in collision of the second pad, thus avoid between each pad being crisscross arranged because of FPC wiring board plug bending process
Fracture there is, it is ensured that each pad and the contact good contact of ZIF stand, and ensure that FPC wiring board normally works.
Accompanying drawing explanation
Fig. 1 is the structural representation of the FPC golden finger of traditional connection ZIF stand；
Fig. 2 is the structural representation of the FPC golden finger connecting ZIF stand in this utility model embodiment；
Fig. 3 (a) is the structural representation of the first pad in Fig. 2, and Fig. 3 (b) is the structural representation of the second pad in Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
As shown in Figure 2 to Figure 3, in the present embodiment connect ZIF stand FPC golden finger, including FPC wiring board 1,
At least one first pad 2 and at least one the second pad 3, the first pad 2 and the second pad 3 are crisscross arranged at FPC
On wiring board 1, the first pad 2 and the second pad 3 are in contactless state each other, the first pad 2 of contactless state
Can avoid touching between the two with the second pad 3, the first pad 2 is relative with first by the first relative broadside 21
Narrow limit 22 forms, and one end of the first relative broadside 21 is connected by First Transition section 23 with the first opposite, narrow limit 22；The
Broadside 33 is made up of by two pads 3 second relative broadside the 31, second opposite, narrow limit 32 and third phase, the second relative broadside
One end of 31 is connected by the second changeover portion 34 with the second opposite, narrow limit 32, the other end on the second opposite, narrow limit 32 and the
Three relative broadsides 33 are connected by the 3rd changeover portion 35, First Transition section the 23, second changeover portion 34 and the 3rd transition
The edge of section 35 is the most curved；The other end 36 of the other end 24 broadside 31 relative with second of the first relative broadside 21
Between there are height difference H.The meaning that height difference H exists is, is ensureing that first pad the 2, second pad 3 is respectively
In the case of realizing reliable contacts with corresponding ZIF stand contact, it is ensured that the first pad 2 and the upper end of FPC wiring board 1
Between there is effective safe distance, in order to FPC wiring board 1 does not leak copper sheet in cutting makes, and reduces FPC burr,
Ensure that the first pad 2 will not be by the damaged in collision of the second pad 3, it is to avoid the first pad 2 is by FPC wiring board 1
The bending impact of upper end.Such as, in the present embodiment, the other end 24 broadside relative with second of the first relative broadside 21
There are height difference H between the other end 36 of 31 is 0.7mm.The difference in height taking 0.7mm can keep the first pad 2
And there is between the second pad 3 safe distance, thus avoid adjacent two the first pads 2 to contact with the second pad 3,
Effectively to prevent FPC wiring board 1 from bending the adverse effect to first pad the 2, second pad 3.Wherein, second is relative
Distance d3 between the top of the other end 36 and FPC wiring board 1 of broadside 31 is 0.3mm.
Further, in order to make the first pad 2 and the second pad 3 be in contactless state all the time, and each gold hands is ensured
The contact surface referred to is relatively reliable, as improvement, and the width D 1 of the relative broadside 21 of the first of the first pad 2 and the second weldering
The width D 2 of the second of dish 3 broadside 31 relatively is 0.3mm；The width on the first opposite, narrow limit 22 of the first pad 2
The third phase of D3 and the second pad 3 is 0.2mm to the width D 4 of broadside 33；The first of first pad 2 is relative
Length L1 of broadside 21 is 1.1mm, and length L1 of the relative broadside 31 of the second of the second pad 3 is 0.7mm.
It addition, for the actual application needs meeting golden finger, as improving again, the second pad 3 in the present embodiment to
There are two less, and the interval D 5 between the relative broadside 31 of two second be close to is 0.3mm.Wherein, adjacent
Space D 6 between first pad 2 and the second pad 3 is 0.1mm.Under the confined space of FPC wiring board 1, should
There is the safe distance of minimum, to ensure each weldering between the first pad 2 and the second pad 3 that space D 6 can be adjacent
Dish can reasonably arrange pad, to improve FPC wiring board 1 on FPC wiring board 1 and the wiring that is well on
Space availability ratio.
Further, in order to ensure that first pad the 2, second pad 3 realizes with the contact of corresponding ZIF stand having respectively
Effect contact, as improvement, first pad 2 contact point on ZIF stand is positioned at the centre of its first relative broadside 21
Position, second pad 3 contact point on ZIF stand is positioned at the centre position of its second relative broadside 31.Such as,
In the present embodiment, the distance between first pad 2 contact point B and FPC wiring board 1 top on ZIF stand
D1 is 1.45mm, the distance between second pad 3 contact point A and FPC wiring board 1 top on ZIF stand
D2 is 0.85mm.Wherein, in fig. 2, the black color dots in each pad is pad contact on corresponding ZIF stand
Point.
Claims (7)
1. connect a FPC golden finger for ZIF stand, including FPC wiring board (1), at least one first pad (2)
And at least one second pad (3), the first pad (2) and the second pad (3) are crisscross arranged in FPC wiring board (1)
On, the first pad (2) and the second pad (3) are in contactless state each other, it is characterised in that described first pad
(2) it is made up of the first relative broadside (21) and the first opposite, narrow limit (22), one end of the first relative broadside (21)
It is connected by First Transition section (23) with the first opposite, narrow limit (22)；Described second pad (3) is relatively wide by second
Broadside (33) is formed by limit (31), the second opposite, narrow limit (32) and third phase, the one of the second relative broadside (31)
End is connected by the second changeover portion (34) with the second opposite, narrow limit (32), the other end on the second opposite, narrow limit (32) and
Broadside (33) is connected by third phase by the 3rd changeover portion (35), First Transition section (23), the second changeover portion (34)
And the 3rd the edge of changeover portion (35) the most curved；The other end (24) of the described first relative broadside (21) and the
Height difference H is there are between the other end (36) of two relative broadsides (31).
FPC golden finger the most according to claim 1, it is characterised in that the described first relative broadside (21)
The height difference H existed between the other end (36) of the other end (24) broadside relative with second (31) is 0.7mm.
FPC golden finger the most according to claim 1, it is characterised in that the first phase of described first pad (2)
The width D 2 of the width D 1 of broadside (21) and the second relative broadside (31) of the second pad (3) is 0.3mm；
The width D 3 on the first opposite, narrow limit (22) of described first pad (2) and the third phase of the second pad (3) are to width
The width D 4 on limit (33) is 0.2mm；Length L1 of the first relative broadside (21) of described first pad (2)
For 1.1mm, length L1 of the relative broadside (31) of the second of the second pad (3) is 0.7mm.
FPC golden finger the most according to claim 3, it is characterised in that described second pad (3) at least has
Two, the interval D 5 between the relative broadside (31) of two second of next-door neighbour is 0.3mm.
FPC golden finger the most according to any one of claim 1 to 4, it is characterised in that the first adjacent weldering
Space D 6 between dish (2) and the second pad (3) is 0.1mm.
FPC golden finger the most according to any one of claim 1 to 4, it is characterised in that described first pad
(2) contact point on ZIF stand is positioned at the centre position of its first relative broadside (21), described second pad (3)
Contact point on ZIF stand is positioned at the centre position of its second relative broadside (31).
FPC golden finger the most according to claim 3, it is characterised in that described first pad (2) is at ZIF
Distance d1 between contact point and FPC wiring board (1) top on stand is 1.45mm, described second pad (3)
Distance d2 between contact point and FPC wiring board (1) top on ZIF stand is 0.85mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620504035.3U CN205793641U (en) | 2016-05-27 | 2016-05-27 | A kind of FPC golden finger connecting ZIF stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620504035.3U CN205793641U (en) | 2016-05-27 | 2016-05-27 | A kind of FPC golden finger connecting ZIF stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205793641U true CN205793641U (en) | 2016-12-07 |
Family
ID=59979605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620504035.3U Expired - Fee Related CN205793641U (en) | 2016-05-27 | 2016-05-27 | A kind of FPC golden finger connecting ZIF stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205793641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109785750A (en) * | 2019-03-26 | 2019-05-21 | 京东方科技集团股份有限公司 | Display panel, flexible circuit board and display device |
-
2016
- 2016-05-27 CN CN201620504035.3U patent/CN205793641U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109785750A (en) * | 2019-03-26 | 2019-05-21 | 京东方科技集团股份有限公司 | Display panel, flexible circuit board and display device |
| CN109785750B (en) * | 2019-03-26 | 2021-03-19 | 京东方科技集团股份有限公司 | Display panel, flexible circuit board and display device |
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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 |
Granted publication date: 20161207 |