CN103917041A - Flexible circuit board and manufacturing method thereof - Google Patents
Flexible circuit board and manufacturing method thereof Download PDFInfo
- Publication number
- CN103917041A CN103917041A CN201410127795.2A CN201410127795A CN103917041A CN 103917041 A CN103917041 A CN 103917041A CN 201410127795 A CN201410127795 A CN 201410127795A CN 103917041 A CN103917041 A CN 103917041A
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- flexible pcb
- strip circuit
- cutting
- circuit plate
- circuit board
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Abstract
The invention discloses a flexible circuit board and a manufacturing method of the flexible circuit board. The manufacturing method of the flexible circuit board comprises the following steps that firstly, a bar-type circuit is printed on a non-bar-type flexible circuit board body, wherein the bar-type circuit is distributed on the non-bar-type flexible circuit board body in a zigzag mode; secondly, the non-bar-type flexible circuit board body is clipped so that a zigzag bar-type circuit board can be obtained, wherein the zigzag bar-type circuit board corresponds to the bar-type circuit; thirdly, the bar-type circuit board is folded to form a linear bar-type circuit board and/or a frame-shaped bar-type circuit board. Through the adoption of the manufacturing method of the flexible circuit board, the obtained flexible circuit board can meet the requirements for various sizes, and raw materials are saved.
Description
Technical field
The present invention relates to touch screen circuitry plate field, relate in particular to a kind of manufacture method of flexible PCB.
Background technology
The application of infrared touch panel is more and more extensive, slowly takes into account small size from large scale advantage, and infrared touch panel is a demonstration accessory after all, and it also needs to frivolous future development, is especially applied on small size display screen its volume one of most important index especially.The still hard circuit board that infrared touch panel is at present most widely used, except having the function of circuit, also take into account the frame of touch-screen, but hard circuit board is all thicker, to the frivolous Construction designing bottleneck of small size touch-screen, because forming, hard circuit board there is lower column defects:
1, hard circuit board self is just thicker, if too thin, easily fracture;
2, hard circuit board is owing to will being arranged in the surrounding of display screen, and when production, if integrated formation can be wasted a large amount of circuit boards, cost is very high;
3, between circuit board, also need to connect, increased technique and cost;
For above-mentioned defect, a kind of flexible PCB is applied and is given birth to, referring to prior art CN2731588Y, this flexible PCB as shown in Figure 1, on this flexible PCB, be printed with electrode, also can electronic devices and components be welded on described flexible PCB by welding, maximum feature is can be by the folding shape that changes circuit board, an overall flexible PCB is folded into a wide shape structure, like this, the circuit board of an infrared touch panel can be made up of the flexible PCB of an one.
Although above-mentioned flexible PCB of the prior art can overcome some defects of hard circuit board, but self is existent defect also, having a maximum shortcoming is that this flexible PCB can not be applied to large scale touch-screen, be subject to certain restrictions in technique because produce the length of strip flexible PCB, can not produce oversize flexible PCB.Can extend certain length although recorded production U-shaped circuit board in above-mentioned prior art, limited after all, can not tackle the problem at its root.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of flexible PCB and production method thereof, can solve the problem that bar shaped flexible PCB falls short of.The flexible PCB of making according to the inventive method can meet the requirement of arbitrary dimension.
For solving the problems of the technologies described above, the invention provides a kind of manufacture method of flexible PCB, comprise the steps:
1) on non-bar shaped flexible PCB body, print strip circuit; Being distributed on described non-bar shaped flexible PCB body of described strip circuit complications;
2) described in cutting, non-bar shaped flexible PCB body obtains tortuous strip circuit plate, and described strip circuit plate is corresponding with described strip circuit;
3) folding described strip circuit plate forms linear strip circuit plate and/or shaped as frame strip circuit plate.
Preferably, described step 2) in cutting be specially:
In the relative direction of described non-bar shaped flexible PCB hocket cutting or cutting, form cut line, wherein said cut line is not divided into two described flexible PCB.
Preferably, described step 2) in the strip circuit plate that obtains after cutting at grade for around shape.
Preferably, described non-bar shaped flexible PCB body be shaped as square.
Preferably, described step 2) in the strip circuit plate that obtains after cutting at grade for positive and negative in shape.
Preferably, more than one of described strip circuit.
The present invention also provides a kind of flexible PCB, and this flexible PCB is non-strip circuit plate, on described non-strip circuit plate, is printed with strip circuit, being distributed on described non-bar shaped flexible PCB body of described strip circuit complications; Described non-strip circuit plate is provided with the position for cutting corresponding with described strip circuit, described in cutting, non-bar shaped flexible PCB can obtain the tortuous strip circuit plate corresponding with described strip circuit, and folding described strip circuit plate can obtain linear strip circuit plate and/or shaped as frame strip circuit plate.
Preferably, described in, cut out and be specially: in the relative direction of described non-bar shaped flexible PCB hocket cutting or cutting, form cut line, wherein said cut line is not divided into two described flexible PCB.
The present invention also provides a kind of electronic installation, comprises the flexible PCB that above-mentioned manufacture method obtains.
Utilize flexible circuit board manufacturing method of the present invention to obtain flexible PCB, can meet the requirement of various sizes, and save material.
Accompanying drawing explanation
Fig. 1 is the application schematic diagram of prior art flexible PCB;
Fig. 2 is the structural representation of first embodiment of the invention flexible PCB;
Fig. 3-Fig. 5 is the method for folding schematic diagram of first embodiment of the invention flexible PCB;
Fig. 6 is that first embodiment of the invention flexible PCB carries out the folding schematic diagram of corner;
Fig. 7 is the structural representation of second embodiment of the invention flexible PCB;
Fig. 8 is the structural representation of third embodiment of the invention flexible PCB;
Fig. 9 is the structural representation of fourth embodiment of the invention flexible PCB;
Figure 10 is that the multi-turn of third embodiment of the invention flexible PCB is around structural representation;
Figure 11 is combining structure schematic diagram.
Embodiment
Below in conjunction with embodiment and accompanying drawing, technical scheme of the present invention is clearly and completely described.
In the first enforcement of the present invention, the body 1 of flexible PCB is non-bar shaped flexible PCB, Figure 2 shows that a square flexible PCB, on non-bar shaped flexible PCB body, prints strip circuit; Being distributed on described non-bar shaped flexible PCB body of described strip circuit complications; Described in cutting, non-bar shaped flexible PCB body can obtain tortuous strip circuit plate, and described strip circuit plate is corresponding with described strip circuit.
Described square flexible PCB is provided with position or perhaps the range of linearity for cutting corresponding with described strip circuit, in the time of printed circuit design and production, just reserve this range of linearity, in the present embodiment, concrete cutting is as follows: in vertical (not necessarily the leaveing no choice but vertical) direction on described square two relative limits, carry out cutting or cutting formation cut line 2, each cut line 2 can not run through described two relative limits, that is to say, described cut line 2 can not be divided into two described flexible PCB, and what described dotted line 3 represented is the part not running through.The position of cut line 2 correspondences is exactly the position for cutting of reserving, and described cutting or cutting hocket the other way around.Folding described strip circuit plate forms linear strip circuit plate and/or needed shaped as frame strip circuit plate.
Fig. 3 shows the method for folding first step of utilizing flexible PCB that the present invention makes to be folded into the strip circuit plate of wanting.Circuit board line centered by cut line 2 is carried out to doubling, form the shape shown in Fig. 4.
Continue to fold for the second time according to the folding direction shown in Fig. 4, form the shape shown in Fig. 5, Reference numeral 4 is overlapping part, and we also can be referred to as trough 4, and this region only has electrode, does not need welding electronic component.As a preferred embodiment, trough 4 be shaped as square.
Can reach the bar shaped flexible PCB of random length with above-mentioned method for folding.
Fig. 3-Fig. 5 shows the method for folding strip circuit board, can be with reference to prior art for the method that corner is folding, folding at any local corner, also can fold in the position of trough 4, in the folding larger advantage in addition in the position of trough 4, the space of a whole page of the circuit board of folding rear adjacent edge belongs to the same face before folding; Can allow like this after electronic devices and components welding also in the same face, and in the time producing flexible PCB, wires design also can be simpler.Can be according to the requirement of concrete size, make the flexible PCB of coupling, meet that carry out corner in overlapping position folding.
Carry out corner in trough 4 folding with reference to shown in Fig. 6, because method for folding is simple existence general knowledge, just do not repeating here.
The material of making flexible PCB has been the prior art of comparative maturity, can simply exemplify several lists of references: CN103391694A; CN101605425A; CN102548196A; CN1874649A; CN100574554A; CN101670594B; CN101061760A; CN100405884A etc., because the patent documentation about flexible PCB in prior art has several thousand pieces, also comparative maturity of the manufacturing technology of flexible PCB, is not just too much giving an example here.
Flexible circuit board manufacturing process of the present invention is very simple, after completing, only need to carry out according to designing requirement cutting or cutting from cut line position on square flexible PCB, does not need to increase other loaded down with trivial details processing.
The flexible PCB that utilizes method of the present invention to make can meet the requirement of arbitrary dimension, and produces time material saving, reduces costs, and also has good versatility.
The above embodiment of the present invention is carried out cutting or cutting based on square circuit board, and those skilled in the art can according to actual needs, adopt the body of the flexible PCB of circular or the non-bar shaped of other irregularly shaped making, then carry out cutting and cutting.This all belongs to the technical scheme being equal to, all within protection scope of the present invention.
It is straight line that the bar shaped that the present invention mentions is not limited to, and after corner is folding, also belongs to bar shaped.
Second embodiment of the invention flexible PCB as shown in Figure 7, on square flexible PCB, carry out around cutting out, form around bar shaped flexible PCB, by this around bar shaped flexible PCB fold, can obtain straight line or orthogonal linear circuit board.Method for folding and the first embodiment are similar, here just not in narration.
Third embodiment of the invention flexible PCB as shown in Figure 8, on square flexible PCB, carry out positive and negative in cutting, form two connections around bar shaped flexible PCB, by this around bar shaped flexible PCB fold, can obtain straight line or orthogonal linear circuit board.Method for folding and identical above.
Fourth embodiment of the invention flexible PCB as shown in Figure 9, on square flexible PCB, carry out around cutting, core is that U-shaped cutting forms the flexible PCB around bar shaped and U-shaped combination simultaneously, by this around bar shaped flexible PCB fold, can obtain straight line or orthogonal linear circuit board.Method for folding and identical above.
Figure 10 be the 3rd embodiment a multi-turn around example, also explanation simultaneously, accompanying drawing corresponding in above-mentioned each embodiment is a signal, in actual production, can cutting much enclose, if square shaped flexible PCB size does not limit, in principle time, can cut out the bar shaped flexible PCB of unrestricted length.
Can find out, the cutting method of square shaped flexible PCB can carry out various combinations simultaneously, and same square flexible PCB can cut out the combination of various patterns, as shown in figure 11.
A principle, cuts out square flexible PCB the bar shaped that meets width requirement, and this bar shaped flexible PCB only has two ends, and except these two ends, other each section is all connected in series.
From above-mentioned each embodiment, the first embodiment of the present invention is obviously superior to other embodiment, because the flexible PCB obtaining according to the first embodiment, every line segment length is identical, and cutting and cutting convenience.
It will be understood by those skilled in the art that and also can on a square flexible PCB, make several independently strip circuit plates simultaneously.
In order to be folded into rectilinear circuit board after cutting, cutting wires is preferably straight line, and the strip circuit plate obtaining after cutting is in series by multistage linear strip circuit plate.
The cutting that the present invention is alleged, not must carry out cutting with scissors, can adopt any available cutting mode, such as laser cutting machine, plasma cutting machine, flame cutting machine and water cutting machine etc.
Obviously, flexible PCB of the present invention can also be used for other technical field.All within protection scope of the present invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technology thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (14)
1. a manufacture method for flexible PCB, comprises the steps:
1) on non-bar shaped flexible PCB body, print strip circuit; Being distributed on described non-bar shaped flexible PCB body of described strip circuit complications;
2) described in cutting, non-bar shaped flexible PCB body obtains tortuous strip circuit plate, and described strip circuit plate is corresponding with described strip circuit;
3) folding described strip circuit plate forms linear strip circuit plate and/or shaped as frame strip circuit plate.
2. the manufacture method of a kind of flexible PCB according to claim 1, is characterized in that, described step 2) in cutting be specially:
In the relative direction of described non-bar shaped flexible PCB hocket cutting or cutting, form cut line, wherein said cut line is not divided into two described flexible PCB.
3. the manufacture method of a kind of flexible PCB according to claim 1, is characterized in that, described step 2) in the strip circuit plate that obtains after cutting at grade for around shape.
4. the manufacture method of a kind of flexible PCB according to claim 1, is characterized in that, being shaped as of described non-bar shaped flexible PCB body is square.
5. the manufacture method of a kind of flexible PCB according to claim 1, is characterized in that, described step 2) in the strip circuit plate that obtains after cutting at grade for positive and negative in shape.
6. the manufacture method of a kind of flexible PCB according to claim 1, more than one at described strip circuit.
7. a flexible PCB, this flexible PCB is non-strip circuit plate, it is characterized in that, on described non-strip circuit plate, is printed with strip circuit, being distributed on described non-bar shaped flexible PCB body of described strip circuit complications; Described non-strip circuit plate is provided with the position for cutting corresponding with described strip circuit, described in cutting, non-bar shaped flexible PCB can obtain the tortuous strip circuit plate corresponding with described strip circuit, and folding described strip circuit plate can obtain linear strip circuit plate and/or shaped as frame strip circuit plate.
8. a kind of flexible PCB according to claim 7, is characterized in that,
Described cutting out is specially: in the relative direction of described non-bar shaped flexible PCB hocket cutting or cutting, form cut line, wherein said cut line is not divided into two described flexible PCB.
9. a kind of flexible PCB according to claim 7, is characterized in that, the strip circuit plate obtaining after cutting is around shape at grade.
10. a kind of flexible PCB according to claim 7, is characterized in that, being shaped as of described non-bar shaped flexible PCB body is square.
11. a kind of flexible PCBs according to claim 7, is characterized in that, the strip circuit plate obtaining after cutting is at grade for positive and negative in shape.
12. 1 kinds of electronic installations, comprise and utilize the flexible PCB that in claim 1-6, the manufacture method described in any one obtains.
13. 1 kinds of electronic installations, comprise the flexible PCB described in any one in claim 7-11.
14. according to the electronic installation described in claim 12 or 13, and described electronic installation is infrared touch panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410127795.2A CN103917041B (en) | 2014-03-31 | 2014-03-31 | A kind of flexible PCB and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410127795.2A CN103917041B (en) | 2014-03-31 | 2014-03-31 | A kind of flexible PCB and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103917041A true CN103917041A (en) | 2014-07-09 |
| CN103917041B CN103917041B (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410127795.2A Active CN103917041B (en) | 2014-03-31 | 2014-03-31 | A kind of flexible PCB and preparation method thereof |
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| Country | Link |
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| CN (1) | CN103917041B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107360669A (en) * | 2017-08-17 | 2017-11-17 | 信利半导体有限公司 | A kind of backlight FPC and the display device with the FPC |
| CN110708877A (en) * | 2019-10-08 | 2020-01-17 | 珠海景旺柔性电路有限公司 | Processing method for ultra-long new energy flexible board |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002084629A (en) * | 2000-09-07 | 2002-03-22 | Sumitomo Wiring Syst Ltd | Circuit substrate and junction box therewith |
| US20030067577A1 (en) * | 2001-10-09 | 2003-04-10 | Hitachi, Ltd. | Liquid crystal display device |
| JP2004247352A (en) * | 2003-02-10 | 2004-09-02 | Sumitomo Electric Printed Circuit Inc | Flexible printed board |
| CN2731588Y (en) * | 2004-06-25 | 2005-10-05 | 北京汇冠新技术有限公司 | Novel infrared touch panel |
| JP2006268253A (en) * | 2005-03-23 | 2006-10-05 | Nihon Kaiheiki Industry Co Ltd | Touch panel |
| CN203884065U (en) * | 2014-03-31 | 2014-10-15 | 北京汇冠新技术股份有限公司 | Flexible circuit board and electronic device including the same |
-
2014
- 2014-03-31 CN CN201410127795.2A patent/CN103917041B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002084629A (en) * | 2000-09-07 | 2002-03-22 | Sumitomo Wiring Syst Ltd | Circuit substrate and junction box therewith |
| US20030067577A1 (en) * | 2001-10-09 | 2003-04-10 | Hitachi, Ltd. | Liquid crystal display device |
| JP2004247352A (en) * | 2003-02-10 | 2004-09-02 | Sumitomo Electric Printed Circuit Inc | Flexible printed board |
| CN2731588Y (en) * | 2004-06-25 | 2005-10-05 | 北京汇冠新技术有限公司 | Novel infrared touch panel |
| JP2006268253A (en) * | 2005-03-23 | 2006-10-05 | Nihon Kaiheiki Industry Co Ltd | Touch panel |
| CN203884065U (en) * | 2014-03-31 | 2014-10-15 | 北京汇冠新技术股份有限公司 | Flexible circuit board and electronic device including the same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107360669A (en) * | 2017-08-17 | 2017-11-17 | 信利半导体有限公司 | A kind of backlight FPC and the display device with the FPC |
| CN110708877A (en) * | 2019-10-08 | 2020-01-17 | 珠海景旺柔性电路有限公司 | Processing method for ultra-long new energy flexible board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103917041B (en) | 2017-08-29 |
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Address after: 6 / F, block B, building M8, No. 1 Jiuxianqiao East Road, Chaoyang District, Beijing 100015 Patentee after: Three wisdom education Polytron Technologies Inc. Address before: 6 / F, block B, building M8, No. 1 Jiuxianqiao East Road, Chaoyang District, Beijing 100015 Patentee before: BEIJING IRTOUCH SYSTEMS Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220803 Address after: Room 101-602, 6th floor, building 21, East District, yard 10, northwest Wangdong Road, Haidian District, Beijing 100085 Patentee after: BEIJING IRTOUCH SYSTEMS Co.,Ltd. Address before: 6 / F, block B, building M8, No. 1 Jiuxianqiao East Road, Chaoyang District, Beijing 100015 Patentee before: Three wisdom education Polytron Technologies Inc. |