CN204031569U - A kind of flexible printed circuit board - Google Patents
A kind of flexible printed circuit board Download PDFInfo
- Publication number
- CN204031569U CN204031569U CN201420419002.XU CN201420419002U CN204031569U CN 204031569 U CN204031569 U CN 204031569U CN 201420419002 U CN201420419002 U CN 201420419002U CN 204031569 U CN204031569 U CN 204031569U
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- rigid plate
- printed circuit
- circuit board
- flexible printed
- flexible
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Abstract
The utility model relates to a kind of flexible printed circuit board, and it comprises the first rigid plate, the second rigid plate and flexible board; The surface in the first rigid plate outside is provided with the first outer circuit, and the surface in the second rigid plate outside is provided with the second outer circuit, and flexible board is arranged between the first rigid plate and the second rigid plate, and wherein the surface of flexible board is provided with internal layer circuit.Flexible printed circuit board of the present utility model by be positioned at a side the first rigid plate the first outer circuit or be positioned at the second outer circuit of the second rigid plate of opposite side, be connected with the internal layer circuit of flexible board, thereby reduced the difficulty that arranges of flexible printed circuit board surface element device.
Description
Technical field
The utility model relates to circuit board making field, particularly relates to a kind of flexible printed circuit board.
Background technology
Traditional printed circuit board (PCB) (PCB, Printed Circuit Board) material be stiff board material, formed by epoxy resin, glass-fiber-fabric and Copper Foil, after through pressing solidly of heat zone, be bonded to as a whole, possess fine rigid nature, can and install in welding time, play good support and fixation.But general printed circuit board (PCB) is the printed circuit board (PCB) of rigidity, can only carry out two dimension and connect, complete connection at the plate face of printed circuit board (PCB), if tie point to be connected is not on same plate face, need just can complete conducting by wire, therefore high to the space requirement of electronic product.
For addressing this problem, designer develops a kind of flexible printed circuit board, this flexible printed circuit board is combined by flexible material and rigid material, on this printed circuit board (PCB), comprise one or more flexible materials region and rigid material region simultaneously, wherein good support and fixation can be played in rigid material region, flexible material region has again certain material bending property, has been convenient to three-dimensional connection.Therefore the relatively traditional printed circuit board of the printed circuit board (PCB) of this hard and soft combination has the advantages such as flexible structure, volume be little, lightweight and flexible.
The structure of flexible printed circuit board as shown in Figure 1 at present, Fig. 1 is the structural representation of existing flexible printed circuit board, this flexible printed circuit board 10 comprises flexible board 11 and rigid plate 12, flexible board 11 surfaces are provided with internal layer circuit 111 and coverlay 112, rigid plate 12 surfaces are provided with outer circuit 121, and flexible board 11 is connected by tack coat 13 with rigid plate 12.
When but this flexible printed circuit board 10 uses, other components and parts can not well be arranged on flexible board 11, therefore other components and parts can only be connected with outer circuit 121 or internal layer circuit 111 by the through hole 14 in rigid plate 12, cannot be connected with internal layer circuit 111 by flexible board 11, improve the difficulty that arranges of flexible printed circuit board 10 surface element devices.
Therefore, be necessary to provide a kind of flexible printed circuit board, to solve the existing problem of prior art.
Utility model content
The purpose of this utility model is to provide a kind of flexible printed circuit board, its can by be positioned at a side the first rigid plate the first outer circuit or be positioned at the second outer circuit of the second rigid plate of opposite side, be connected with the internal layer circuit of flexible board, thereby reduced the difficulty that arranges of flexible printed circuit board surface element device; With solve existing flexible printed circuit board surface element device the technical problem that difficulty is larger is set.
For addressing the above problem, the technical scheme that the utility model provides is as follows:
The utility model embodiment provides a kind of flexible printed circuit board, and it comprises:
The first rigid plate, the surface in its outside is provided with the first outer circuit;
The second rigid plate; The surface in its outside is provided with the second outer circuit; And
Flexible board, is arranged between described the first rigid plate and described the second rigid plate;
The surface of wherein said flexible board is provided with internal layer circuit.
In flexible printed circuit board of the present utility model, the surface of described flexible board is also provided with the coverlay for the protection of described flexible board.
In flexible printed circuit board of the present utility model, described flexible printed circuit board also comprises the through hole that runs through described the first rigid plate, described flexible board and described the second rigid plate.
In flexible printed circuit board of the present utility model, in described through hole, be provided with through hole copper layer, described through hole copper layer is connected with described the first outer circuit, described the second outer circuit and described internal layer circuit respectively.
In flexible printed circuit board of the present utility model, the surface of described the first rigid plate and described the second rigid plate is also provided with pad, and described pad is connected with described the first outer circuit or described the second outer circuit.
In flexible printed circuit board of the present utility model, described flexible board is connected with described the first rigid plate by tack coat.
In flexible printed circuit board of the present utility model, described tack coat is epoxide-resin glue.
In flexible printed circuit board of the present utility model, described flexible board is connected with described the second rigid plate by tack coat.
In flexible printed circuit board of the present utility model, described tack coat is epoxide-resin glue.
In flexible printed circuit board of the present utility model, described flexible board adopts the mode of pressing, is connected respectively by tack coat with described the first rigid plate and described the second rigid plate.
Compared to the flexible printed circuit board of prior art, flexible printed circuit board of the present utility model by be positioned at a side the first rigid plate the first outer circuit or be positioned at the second outer circuit of the second rigid plate of opposite side, be connected with the internal layer circuit of flexible board, thereby reduced the difficulty that arranges of flexible printed circuit board surface element device; Solved existing flexible printed circuit board surface element device the technical problem that difficulty is larger is set.
Brief description of the drawings
Fig. 1 is the structural representation of existing flexible printed circuit board;
Fig. 2 is the structural representation of the preferred embodiment of flexible printed circuit board of the present utility model;
Fig. 3 is one of making structural representation of the preferred embodiment of flexible printed circuit board of the present utility model;
Fig. 4 be the preferred embodiment of flexible printed circuit board of the present utility model making structural representation two;
Fig. 5 be the preferred embodiment of flexible printed circuit board of the present utility model making structural representation three;
Fig. 6 be the preferred embodiment of flexible printed circuit board of the present utility model making structural representation four;
Wherein, description of reference numerals is as follows:
20, flexible printed circuit board;
21, the first rigid plate;
211, the first outer circuit;
22, the second rigid plate;
221, the second outer circuit;
23, flexible board;
231, internal layer circuit;
232, coverlay;
233, tack coat;
24, through hole;
241, through hole copper layer.
Embodiment
The explanation of following embodiment is graphic with reference to what add, can be in order to the specific embodiment of implementing in order to illustrate the utility model.
Please refer to Fig. 2, the structural representation of the preferred embodiment that Fig. 2 is flexible printed circuit board of the present utility model.The flexible printed circuit board 20 of this preferred embodiment comprises the first rigid plate 21, the second rigid plate 22 and flexible board 23.The surface in the outside of the first rigid plate 21 is provided with the first outer circuit 211, the surface in the outside of the second rigid plate 22 is provided with the second outer circuit 221, flexible board 23 is arranged between the first rigid plate 21 and the second rigid plate 23, and the surface of flexible board 23 is provided with internal layer circuit 231.The surface of flexible board 23 is also provided with for the protection of flexible board 23 and has the coverlay 232 of good electrical insulation property.
Flexible board 23 adopts the mode of pressing, is connected respectively by tack coat 233 with the first rigid plate 21 and the second rigid plate 22, and this tack coat 233 is preferably epoxide-resin glue.
The flexible printed circuit board 20 of this preferred embodiment also comprises the through hole 24 that runs through the first rigid plate 21, flexible board 23 and the second rigid plate 22, in this through hole 24, be provided with through hole copper layer 241, through hole copper layer 241 is connected with the first outer circuit 211, the second outer circuit 221 and internal layer circuit 231 respectively.The surface of the first rigid plate 21 and the second rigid plate 23 is also provided with pad, this pad is connected with corresponding the first outer circuit 211 and the second outer circuit 221, and can be connected with corresponding internal layer circuit 231 by this first outer circuit 211, through hole copper layer 241, or be connected with corresponding internal layer circuit 231 by the second outer circuit 221, through hole copper layer 241.
The manufacturing process of the flexible printed circuit board of this preferred embodiment is described, one of making structural representation of the preferred embodiment that Fig. 3 is flexible printed circuit board of the present utility model below by Fig. 3-Fig. 6; Fig. 4 be the preferred embodiment of flexible printed circuit board of the present utility model making structural representation two; Fig. 5 be the preferred embodiment of flexible printed circuit board of the present utility model making structural representation three; Fig. 6 be the preferred embodiment of flexible printed circuit board of the present utility model making structural representation four.
One, on flexible board 23, make internal layer circuit 231, then on flexible board 23, suppress coverlay 232 with protection flexible board 23, as shown in Figure 3.
Two, the one side copper of the first rigid plate 21 is etched away, then make a control deep trouth in the joint portion of the first rigid plate 21 and flexible board 23; The second rigid plate 22 is done to same operation, as shown in Figure 4.
Three, by bonding sheet 233, flexible board 23, the first rigid plate 21 and the second rigid plate 22 are pressed together, then make the first outer circuit 211 at the outer surface of the first rigid plate 21, make the second outer circuit 221 at the outer surface of the second rigid plate 22, as shown in Figure 5.
Four, remove the first unnecessary rigid plate 21 and the second rigid plate 22 by control deep trouth, exposed portions serve flexible board 23, as shown in Figure 6.
Five, finally make at the outer surface of the first rigid plate 21 and the outer surface of the second rigid plate 22 the pad (not shown) being connected with outer circuit, and making runs through the through hole 24 of the first rigid plate 21, flexible board 23 and the second rigid plate 22, in through hole 24, be provided with through hole copper layer 241, as shown in Figure 2.
So, completed the manufacturing process of the flexible printed circuit board of this preferred embodiment.
Components and parts in first rigid plate of this flexible printed circuit board can pass through pad, outer circuit, through hole copper layer and be connected with the internal layer circuit of flexible board, and the components and parts in the second rigid plate also can be connected with the internal layer circuit of flexible board by weldering, outer circuit, through hole copper layer.User can arrange components and parts on the first rigid plate or the second rigid plate surface of flexible printed circuit board easily like this, has reduced the difficulty that components and parts are set on flexible printed circuit board surface; Solved existing flexible printed circuit board surface element device the technical problem that difficulty is larger is set.
In sum; although the utility model discloses as above with preferred embodiment; but above preferred embodiment is not in order to limit the utility model; those of ordinary skill in the art; not departing from spirit and scope of the present utility model; all can do various changes and retouching, the scope that therefore protection range of the present utility model defines with claim is as the criterion.
Claims (10)
1. a flexible printed circuit board, is characterized in that, comprising:
The first rigid plate, the surface in its outside is provided with the first outer circuit;
The second rigid plate; The surface in its outside is provided with the second outer circuit; And
Flexible board, is arranged between described the first rigid plate and described the second rigid plate;
The surface of wherein said flexible board is provided with internal layer circuit.
2. flexible printed circuit board according to claim 1, is characterized in that, the surface of described flexible board is also provided with the coverlay for the protection of described flexible board.
3. flexible printed circuit board according to claim 1, is characterized in that, described flexible printed circuit board also comprises the through hole that runs through described the first rigid plate, described flexible board and described the second rigid plate.
4. flexible printed circuit board according to claim 3, is characterized in that, is provided with through hole copper layer in described through hole, and described through hole copper layer is connected with described the first outer circuit, described the second outer circuit and described internal layer circuit respectively.
5. flexible printed circuit board according to claim 1, is characterized in that, the surface of described the first rigid plate and described the second rigid plate is also provided with pad, and described pad is connected with described the first outer circuit or described the second outer circuit.
6. flexible printed circuit board according to claim 1, is characterized in that, described flexible board is connected with described the first rigid plate by tack coat.
7. flexible printed circuit board according to claim 6, is characterized in that, described tack coat is epoxide-resin glue.
8. flexible printed circuit board according to claim 1, is characterized in that, described flexible board is connected with described the second rigid plate by tack coat.
9. flexible printed circuit board according to claim 8, is characterized in that, described tack coat is epoxide-resin glue.
10. flexible printed circuit board according to claim 1, is characterized in that, described flexible board adopts the mode of pressing, is connected respectively by tack coat with described the first rigid plate and described the second rigid plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419002.XU CN204031569U (en) | 2014-07-25 | 2014-07-25 | A kind of flexible printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419002.XU CN204031569U (en) | 2014-07-25 | 2014-07-25 | A kind of flexible printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204031569U true CN204031569U (en) | 2014-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420419002.XU Active CN204031569U (en) | 2014-07-25 | 2014-07-25 | A kind of flexible printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204031569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507584A (en) * | 2016-11-30 | 2017-03-15 | 长沙牧泰莱电路技术有限公司 | A kind of combined type circuit board and preparation method thereof |
-
2014
- 2014-07-25 CN CN201420419002.XU patent/CN204031569U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507584A (en) * | 2016-11-30 | 2017-03-15 | 长沙牧泰莱电路技术有限公司 | A kind of combined type circuit board and preparation method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |