CN206314072U - Printed circuit board structure - Google Patents
Printed circuit board structure Download PDFInfo
- Publication number
- CN206314072U CN206314072U CN201621232931.5U CN201621232931U CN206314072U CN 206314072 U CN206314072 U CN 206314072U CN 201621232931 U CN201621232931 U CN 201621232931U CN 206314072 U CN206314072 U CN 206314072U
- Authority
- CN
- China
- Prior art keywords
- golden finger
- finger contact
- circuit board
- extension
- printed circuit
- 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.)
- Active
Links
- 239000000758 substrate Substances 0.000 claims abstract description 52
- 239000002184 metal Substances 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000010931 gold Substances 0.000 claims abstract description 6
- 229910052737 gold Inorganic materials 0.000 claims abstract description 6
- 210000001145 finger joint Anatomy 0.000 abstract 3
- 238000010276 construction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011469 building brick Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005323 electroforming Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Abstract
The utility model provides a printed circuit board structure, wherein include: the circuit board comprises a circuit substrate and a board end connecting part, wherein one side of the circuit substrate is provided with a joint edge, and the board end connecting part is provided with a plurality of golden finger contacts; the end part of each golden finger joint keeps a distance with the joint edge, each golden finger joint is respectively provided with an extension part extending from the end part to the joint edge, each extension part is positioned at the joint edge to form a cutting part, and the width of each cutting part is smaller than that of the end part of the golden finger joint. Through the structure, the situation that after the joint edge of the printed circuit board is cut off, short circuit is caused by the fact that burrs or metal chips of the cut-off part of each gold finger contact point are mutually contacted can be avoided.
Description
Technical field
The utility model is related to a kind of printed circuit board arrangement, more particularly to a kind of plate end for being suitable for flexible PCB
The printed circuit board arrangement of connecting portion.
Background technology
With the fast-developing and application of information technology, wireless mobile communication and information household appliances, in order to reach carrying convenience,
The purpose of volume light and handyization, the various electronic building bricks inside many information products are connected using flexible PCB, to reduce
The thickness and size of information equipment circuit module, and cause that the arrangement of circuit unit position is more flexible.
As shown in figure 1, being the construction of an existing flexible circuit substrate 1, circuit substrate 1 is generally with plate end connection
Portion 2, circuit substrate 1 has a trip edge 3 in the side of plate end connecting portion 2, and is set in the range of plate end connecting portion 2 many
The golden finger contact 4 of individual strip, with the circuit junction being electrically connected with as circuit substrate 4 and soft board connector.
In the manufacturing process of flexible printed circuit board, the trip edge 3 of circuit substrate 1 can connect one and give up portion (in figure
Do not show), and each golden finger contact 4 can extend to the portion of giving up, and connected with the conducting metal portion given up in portion, so
Afterwards after the completion of the shaping of circuit substrate 1, then so that cut-out mode is by circuit substrate 1 and gives up portion and is cut off along the trip edge 3.
As shown in Figure 1A, when circuit substrate 1 cuts off, the position that each golden finger contact 4 is cut off place can be easy to
Produce flash 5.Because the golden finger design of existing circuit substrate is the elongate in shape with uniform width, and along with gold
The distance to each other of finger contact 4 is quite narrow and small, therefore during the cut-out of circuit substrate 1, if golden finger contact 4 is produced in off-position
During the metal fillings 5a of raw large-size, then easily cause that two adjacent golden finger contacts 4 produce short circuit phenomenon.
Due to above reason, the golden finger contact of existing circuit substrate is caused easily because the flash or gold of off-position
Category bits cause short circuit phenomenon, cause yield to decline.Therefore how to overcome circuit substrate golden finger to connect by the improvement of structure design
The above-mentioned missing of point, it has also become this cause important topic to be solved.
Utility model content
The utility model main purpose is to provide a kind of plate end connecting portion that can solve the problem that existing printed circuit board (PCB) to cut
Golden finger contact of having no progeny easily produces the printed circuit board arrangement of short circuit problem.
The utility model wherein embodiment provides a kind of printed circuit board arrangement, including：One circuit substrate, circuit
One side of substrate have a trip edge, and one close to trip edge plate end connecting portion, circuit substrate surface position
There are multiple golden finger contacts in the range of the connecting portion of plate end；The one end of plurality of golden finger contact close to trip edge
An end section is defined as, the end section of each golden finger contact and trip edge keep a spacing, and each golden finger to connect
Point has an extension that trip edge is extended to from end section respectively, and each extending part is formed at the position of trip edge
One cutting portion, and each cutting portion width less than golden finger contact end section width.
Preferably, the extension of each golden finger contact is elongated.
Preferably, two sides of each extension have one to be connected to institute from two sides of the end section respectively
State an inclined side of two sides of cutting portion.
Preferably, two sides of each extension have one to be connected to institute from two sides of the end section respectively
State an arc-shaped side of two sides of cutting portion.
Preferably, a side of the extension of each golden finger contact is the side from the golden finger contact
The line part that side extends, and the extension is from the golden finger contact relative to another side of the line part
The side of the end section is connected to an inclined side of a side of the cutting portion.
Preferably, there is following relationship in each golden finger contact and the extension：W2<W1 and P>1.5×W2；Its
Middle W1 represents the width of the end section of each golden finger contact；W2 represents the cutting portion of each extension
Width；P represents the pitch per golden finger contact described in adjacent two.
Preferably, there is following relationship in each golden finger contact and the extension：W2<W1 and P>2×W2.
Preferably, the height of each extension is between the width of 0.5 times to 2 times of the golden finger contact
In the range of.
Preferably, the trip edge of the circuit substrate can connect one and give up portion, the circuit substrate and described
Give up portion to be cut off along a cutting line, and the circuit substrate forms the jointing edge along the edge after cutting line cut-out
Edge.
Preferably, before the portion of giving up has a conducting metal portion, and the circuit substrate and the portion of giving up are cut off,
The extension of each golden finger contact is given up portion and is connected with the conducting metal portion described in extending to.
The utility model has the beneficial effect that can be after said structure avoids the trip edge of printed circuit board (PCB) from cutting off, often
One golden finger contact causes short circuit condition to occur because the flash or metal fillings of place of incision contact with each other.
Feature of the present utility model and technology contents are further understood that to enable, are referred to below in connection with the utility model
Detailed description and accompanying drawing, but institute's accompanying drawings only provide with reference to and explanation use, not for being any limitation as to the utility model
Person.
Brief description of the drawings
Fig. 1 is the organigram of an existing printed circuit board (PCB) golden finger structure.
Figure 1A is the partial enlargement organigram of the existing printed circuit board (PCB) golden finger structure shown in Fig. 1.
Fig. 2 is the organigram of the utility model printed circuit board arrangement state before the portion of giving up cuts off.
Fig. 3 is the organigram of the utility model printed circuit board arrangement state after the portion of giving up cuts off.
The partial enlargement organigram that Fig. 3 A are taken by the utility model printed circuit board arrangement from Fig. 3.
Fig. 4 illustrates for the partial enlargement construction of the extension another specific embodiment of the utility model printed circuit board arrangement
Figure.
Fig. 5 illustrates for the partial enlargement construction of the extension another specific embodiment of the utility model printed circuit board arrangement
Figure.
Fig. 6 illustrates for the partial enlargement construction of the extension another specific embodiment of the utility model printed circuit board arrangement
Figure.
Specific embodiment
As shown in Figures 2 and 3, the utility model printed circuit board arrangement is the golden finger contact for circuit substrate in electricity
Easily because the flash or metal fillings of golden finger place of incision cause short circuit problem to be improved after base board cut-out.
As shown in Fig. 2 for the circuit substrate 10 of the utility model printed circuit board arrangement not yet cuts off after the completion of manufacture
One side of the construction under state, wherein circuit substrate 10 has a plate end connecting portion 11, and circuit substrate 10 is in plate end connecting portion
11 surface is provided with multiple golden finger contacts 13 side by side, and each golden finger contact is used to make by being made with metal foil material
It is circuit substrate 10 and connector or the contact that is electrically connected of other arrangements of electric connections contact.Circuit substrate 10 is in plate end connecting portion 11
Also further portion 20 is given up in connection one in outside, as shown in Fig. 2 the plate end connecting portion 11 for giving up portion 20 and circuit substrate 10 is to cut
Secant L is boundary, and after the completion of the manufacture of circuit substrate 10, can will give up portion 20 and cut off, and forms circuit substrate as shown in Figure 3
10.The surface for giving up portion 20 also has a conducting metal portion 21, and conducting metal portion 21 is equally made with conducting metal.Each gold
Finger contact 13 has an extension 14 respectively near the one end for giving up portion 20, and one end of each extension 14 is connected to golden hand
Refer to the end of contact 13, and the other end is then extended in the portion of giving up 20 and is connected with each other with conducting metal portion 21.
Wherein each golden finger contact 13 acting as on circuit substrate 10 and circuit substrate 10 in conducting metal portion 21
Internal conducting wire (not shown) carries out electrode contact during electroforming, when the processing procedure of circuit substrate 10 is completed, meeting
Along the cutting line L shown in Fig. 2 position is by circuit substrate 10 and gives up portion 20 and cuts off.As shown in figure 3, circuit substrate 10 cuts off
Edge afterwards forms a trip edge 12, and circuit substrate 10 can be inserted in connector or other electricity with one end of trip edge 12
In attachment means so that the circuit of each golden finger contact 13 and connector or other arrangements of electric connections in plate end connecting portion 11
Contacts.
In the utility model embodiment, circuit substrate 10 is a flexible printed circuit board, but during practice, this reality
Can also be applied on other kinds of printed circuit board (PCB) with new technology, and be not limited to the category of flexible printed circuit board.
As shown in Fig. 3 and Fig. 3 A, in the utility model first embodiment, each golden finger contact 13 is close to trip edge
12 one end is defined as an end section 131, the end section 131 of each golden finger contact 13 and the trip edge 12
A spacing is kept, and each extension 14 extends to connecing for circuit substrate 10 from the end section 131 of golden finger contact 13 respectively
Close edge 12.
As shown in Fig. 2 circuit substrate of the present utility model 10 is when being cut off, the position of cutting line L passes through each
Extension 14, hence in so that after circuit substrate 10 cuts off, the end of each extension 14 is respectively positioned at the engagement of circuit substrate 10
At edge 12.
As shown in Figure 3A, in first embodiment of the present utility model, each extension 14 is located at the position of trip edge 12
Form a cutting portion 141.Main feature of the present utility model, is that the width of the cutting portion 141 of each extension 14 is less than institute
State the width of the end section 131 of golden finger contact 13.Therefore, it is from extension 14 when circuit substrate 10 is cut off
Cut off at the position of cutting portion 141.Because the width of each cutting portion 141 is less than the end section 131 of golden finger contact 13
Width, therefore be possible to reduce circuit substrate 10 when cutting off, the end section 131 of golden finger contact 13 and gives up the conduction in portion 20
The cut-out area of the metallic conductor of the connection of metal portion 21, and then reduce the flash that circuit substrate 10 is produced in the position of trip edge 12
Or the quantity and size of metal fillings, to avoid producing short circuit condition.
Flash or metal fillings is produced to cause the probability of short circuit after circuit substrate 10 cuts off to reach effectively reduce, this practicality is new
There is following relationship in the size of each golden finger contact 13 of type and the extension 14：
As shown in Figure 3A, the width of the end section 131 of each golden finger contact 13 of the utility model with label W1 as generation
Table, and the width of the cutting portion 141 of each extension 14 is represented with label W2, the pitch of every two adjacent golden finger contacts 13 with
Label P is represented, then the width W2 of each of which cutting portion 141 is less than the width W1 of end section 131, and the pitch P is more than
1.5 times of width W2 of cutting portion 141, if therefore representing there is following relationship with formula：W2<W1；And P>1.5×W2.
Wherein, the purpose that the pitch P of adjacent two golden fingers contact 13 is arranged to more than 1.5 times of width W2 of cutting portion 141 is
Can be prevented effectively from and produce flash to contact with each other after adjacent two extension 14 cuts off to cause short circuit condition, if therefore further really
Protecting the flash that is produced after adjacent two extension 14 cuts off or metal fillings will not contact with each other, then the pitch P of golden finger contact 13 compared with
Good person have to be larger than 2 times of the width W2 of cutting portion 141, therefore above-mentioned formula can be revised as：W2<W1；And P>2×W2.
Additionally, as shown in Figure 3A, in the utility model embodiment, the height h preferablies of extension 14 are between 0.5 times to 2
In the range of the width of golden finger contact 13 again, therefore in the presence of the height h and the width W1 of golden finger contact 13 of extension 14
Row relation：0.5×W1<h<2×W1.
The utility model arranges to design each relative size of extension 14 and golden finger contact 13 through the above way, will
Each golden finger contact 13 is enabled to maintain original width, without influencing whether the original conductive work(of golden finger contact 13
Can, while so that each golden finger contact 13 and aforesaid conductive metal portion 21 connect product after conductor (i.e. extension 14) is cut off
Raw flash or the size of metal fillings or quantity are reduced, and it is mutual to be prevented effectively from the flash of the place of incision of extension 14 generation
Contact produces the situation of short circuit, and improves the fine ratio of product and its reliability of printed circuit board (PCB).
As in Fig. 3 and Fig. 3 A illustrated embodiments, the elongated shape of the extension 14, and each extension 14 width
Width of the degree less than golden finger contact 13.But in addition to the strip shape that Fig. 3 and Fig. 3 A illustrated embodiments are disclosed, the extension
The shape in portion 14 can do various suitable changes.
Such as embodiment illustrated in fig. 4, two sides of each of which extension 14 have one from the golden finger contact respectively
Two sides of 13 end section 131 are connected to 141 liang of inclined sides of side of cutting portion of the extension 14, hence in so that often
One extension 14 forms the shape of isosceles trapezoid.
And such as embodiment illustrated in fig. 5, two sides point of the extension 14 of golden finger contact 13 described in each of which
Ju You not 141 liang of a cutting portion for being connected to the extension 14 from the both sides of the end section 131 of the golden finger contact 13
The curved edge of side, hence in so that each extension forms circular arc.
And such as embodiment illustrated in fig. 6, a side of the extension 14 of golden finger contact 13 described in each of which is
From the line part that a side of the golden finger contact 13 extends, and the extension 14 is another relative to the line part
One side is to be connected to the side of the cutting portion 141 1 from the side of the end section 131 of the golden finger contact 13
One inclined side, hence in so that each extension forms the shape of wedge shape.
In this mandatory declaration, the shape of extension of the present utility model 14 is not limited to structure disclosed by foregoing embodiments
Make, the width of the width less than the end section 131 of golden finger contact 13 of its cutting portion 141 for only needing to meet extension 14
The shape of condition, can all use as the shape of extension of the present utility model 14.
(possibility effect of embodiment)
In sum, the beneficial effects of the utility model essentially consist in and are prevented effectively from the cutting portion 141 of extension 14 and produce
Flash contact with each other and produce the situation of short circuit, and the fine ratio of product and its reliability of printed circuit board (PCB) can be improved.
The foregoing is only preferable possible embodiments of the present utility model, non-therefore limitation patent model of the present utility model
Enclose, therefore the equivalence techniques for being done with the utility model specification and schema content such as changes, and is both contained in the utility model
Protection domain in.
Claims (10)
1. a kind of printed circuit board arrangement, it is characterised in that the printed circuit board arrangement includes：
One circuit substrate a, side of the circuit substrate has a trip edge, and one close to the trip edge
Plate end connecting portion, the surface of the circuit substrate is located in the range of the connecting portion of the plate end has multiple golden finger contacts；
The plurality of golden finger contact is defined as an end section, each gold close to one end of the trip edge
The end section of finger contact and the trip edge keep a spacing, and each golden finger contact has one from institute respectively
The extension that end section extends to the trip edge is stated, each extending part is formed at the trip edge position
One cutting portion, and each cutting portion width less than the golden finger contact end section width.
2. according to the printed circuit board arrangement described in claim 1, it is characterised in that the described of each golden finger contact prolongs
Extending portion is elongated.
3. according to the printed circuit board arrangement described in claim 1, it is characterised in that the two sides difference of each extension
An inclined side with two sides that the cutting portion is connected to from two sides of the end section.
4. according to the printed circuit board arrangement described in claim 1, it is characterised in that the two sides difference of each extension
An arc-shaped side with two sides that the cutting portion is connected to from two sides of the end section.
5. according to the printed circuit board arrangement described in claim 1, it is characterised in that the described of each golden finger contact prolongs
One side of extending portion is the line part extended from a side of the golden finger contact, and the extension is relative to described
Another side of line part is the side that the cutting portion is connected to from the side of the end section of the golden finger contact
One inclined side on side.
6. according to the printed circuit board arrangement described in claim 1 to 5 any of which, it is characterised in that each golden hand
Refer to that contact and the extension have following relationship：W2<W1 and P>1.5×W2；Wherein W1 represents each golden finger contact
End section width；W2 represents the width of the cutting portion of each extension；P is represented per gold described in adjacent two
The pitch of finger contact.
7. according to the printed circuit board arrangement described in claim 6, it is characterised in that each golden finger contact and described prolong
There is following relationship in extending portion：W2<W1 and P>2×W2.
8. according to the printed circuit board arrangement described in claim 7, it is characterised in that the height of each extension between
Between the width of 0.5 times to 2 times of the golden finger contact.
9. according to the printed circuit board arrangement described in claim 8, it is characterised in that the trip edge of the circuit substrate
One can be connected and give up portion, the circuit substrate and the portion that gives up cut off along a cutting line, and the circuit substrate along
Edge after the cutting line cut-out forms the trip edge.
10. according to the printed circuit board arrangement described in claim 9, it is characterised in that the portion of giving up has a conducting metal
Portion, and before the circuit substrate and the portion of giving up are cut off, the extension of each golden finger contact extends to institute
State the portion of giving up and be connected with the conducting metal portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105216610 | 2016-11-01 | ||
| TW105216610U TWM537776U (en) | 2016-11-01 | 2016-11-01 | Structure of printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206314072U true CN206314072U (en) | 2017-07-07 |
Family
ID=58775775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621232931.5U Active CN206314072U (en) | 2016-11-01 | 2016-11-17 | Printed circuit board structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206314072U (en) |
| TW (1) | TWM537776U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109511219A (en) * | 2018-11-22 | 2019-03-22 | 京东方科技集团股份有限公司 | Display panel, circuit board and preparation method thereof |
| WO2020087584A1 (en) * | 2018-10-30 | 2020-05-07 | 惠科股份有限公司 | Lead component and display device |
-
2016
- 2016-11-01 TW TW105216610U patent/TWM537776U/en unknown
- 2016-11-17 CN CN201621232931.5U patent/CN206314072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020087584A1 (en) * | 2018-10-30 | 2020-05-07 | 惠科股份有限公司 | Lead component and display device |
| CN109511219A (en) * | 2018-11-22 | 2019-03-22 | 京东方科技集团股份有限公司 | Display panel, circuit board and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM537776U (en) | 2017-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7559811B1 (en) | Terminal with reduced contact tip | |
| CN108874256A (en) | Display panel and display device | |
| CN206314072U (en) | Printed circuit board structure | |
| CN207353544U (en) | Electric connector | |
| CN103177995A (en) | Positioning plate for one-off welding of IGBT (insulated gate bipolar transistor) | |
| CN204481256U (en) | Electric connector | |
| CN104993263A (en) | USB 2.0 TYPE-C connector convenient for assembling welding wire | |
| CN105188261B (en) | A method of prevent gold finger lead on PCB from burr and tilting occur | |
| CN105703100B (en) | It is a kind of by the connector being electrically connected between line end and plate end and its manufacturing method | |
| CN205069919U (en) | Electric connector | |
| CN203523143U (en) | Flexible circuit board | |
| CN108023216A (en) | Novel high speed connector | |
| CN204333364U (en) | A kind of card connector and contact terminal thereof | |
| JP2015041684A (en) | Manufacturing method of semiconductor device, semiconductor device, and lead frame | |
| CN107706610A (en) | Electric connector and its manufacture method | |
| CN204026558U (en) | A kind of LED strip shape lamp connector and there is the assembly of this kind of connector | |
| CN203312370U (en) | Lead frame combination | |
| CN209627827U (en) | Point discharge type pad structure | |
| CN206135020U (en) | Audio connector | |
| CN212783839U (en) | Stretchable electrical interconnect for garment manufacturing | |
| CN204271342U (en) | Electric connector structure | |
| TWM531082U (en) | Composite type connector | |
| CN205508810U (en) | Piece formula rectifier element | |
| CN204966740U (en) | Cable connector intermediate layer bonding wire structure | |
| CN204992041U (en) | Fastener connector and fastener connector component thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200122 Address after: 118 Jinshan Road, Suzhou New District, Suzhou, Jiangsu Province Patentee after: Yijia Electronics (Suzhou) Co., Ltd. Address before: Taiwan China Patentee before: ICHIA TECHNOLOGIES, Inc. |