CN202535648U - Film structure for circuit board - Google Patents
Film structure for circuit board Download PDFInfo
- Publication number
- CN202535648U CN202535648U CN2012201377552U CN201220137755U CN202535648U CN 202535648 U CN202535648 U CN 202535648U CN 2012201377552 U CN2012201377552 U CN 2012201377552U CN 201220137755 U CN201220137755 U CN 201220137755U CN 202535648 U CN202535648 U CN 202535648U
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- Prior art keywords
- circuit board
- film
- film structure
- layout
- circuit
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Abstract
The embodiment of the utility model discloses a film structure for a circuit board and the film structure comprises a plate body and a first unit assembly and a second unit assembly respectively corresponding to a first surface line and a second surface line on the circuit board, so that front-back-surface lines of two circuit boards with the same type can be exposed by one film. A film can be saved in the same type of circuit board, so that use efficiency of the film is increased by one time and film cost can be halved, thereby reducing production cost of the circuit board.
Description
Technical field
The utility model relates to field of circuit boards, relates in particular to a kind of film structure of circuit board.
Background technology
At present; Flourishing day by day along with electron trade, the model of electronic product and kind develop into the of a great variety of today from more single, on the other hand; Terminal electronic consumer products manufacturer is for soliciting more consumers; Improve occupation rate of market, constantly weed out the old and bring forth the new, develop the consumer electronics of more and more fancy, kind.Circuit board (PCB) is the support plate of all electronic products; Any electronic product all can be used PCB, and PCB is different from general electronic devices and components, and it has non-versatility; The product that belongs to customization, the type of any terminal electronic consumer goods, the variation of style have all caused the increasing of kind of PCB.Therefore; Situation has in sum caused PCB more and more to trend towards many kinds, small lot development; And increasing of PCB kind will certainly cause increasing of its circuit film use amount, according to present existing technology, during the exposure of the two-sided or multilayer circuit board conducting transmission line of each money; Need the two bracing cable road films, circuit that is used for exposure positive (CS face), one be used to the to make public circuit of reverse side (SS face).
The inventor finds that there is following defective in prior art in implementing the utility model process:
During existing two-sided or multilayer circuit board conducting transmission line exposure, need use the two bracing cable road films, be the CS upper thread road figure of this PCB like Fig. 1 and shown in Figure 2: Fig. 1, and 101 and 102 zones all are W shape circuits; Fig. 2 is the SS upper thread road figure of this PCB, and 201 and 202 zones all are Z-shaped circuits.And because the pcb board major part belongs to small lot, many variety types; The number of times that each order uses is few; The circuit film of a pcb board does not reach useful life toward contact; Product has just upgraded, and causes correcting and the circuit film of former PCB legacy version is scrapped processing, has formed the waste of production cost and resource.
The utility model content
The utility model embodiment technical problem to be solved is, a kind of film structure of circuit board is provided, and to practice thrift the film that used in the circuit board process, reduces the production cost of circuit board.
In order to solve the problems of the technologies described above; The utility model embodiment has proposed a kind of film structure of circuit board; Comprise plate body, and be arranged on the said plate body, first module layout and the second unit layout corresponding respectively with the circuit board first upper thread road and the second upper thread road.
Further, said first module layout equates with the second unit layout area.
Further, said first module layout is the sub-film of W shape circuit, and the said second unit layout is the sub-film of Z-shaped circuit.
Further, said plate body is provided with the registration holes that is used for carrying out with said circuit board contraposition.
Further, said plate body is provided with one, two or more said first module layout, and the said second unit layout equates with first module layout quantity.
The utility model embodiment is through providing a kind of film structure of circuit board; It comprises plate body; And be arranged on the said plate body, first module layout and the second unit layout corresponding respectively with the circuit board first upper thread road and the second upper thread road; Thereby the positive and negative circuit of two circuit boards of same type can be realized exposure through a film, and the circuit board of same type can be saved a film, and the service efficiency of the film is doubled; Can reduce half the film cost, and then reduce the production cost of circuit board.
Description of drawings
Fig. 1 is first structure chart of film structure of the circuit board of prior art.
Fig. 2 is second structure chart of film structure of the circuit board of prior art.
Fig. 3 is the structure chart of film structure of the circuit board of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment is elaborated to the utility model.
Fig. 3 is the sketch map of film structure of the circuit board of the utility model embodiment; Its main body adopts the layout of the negative and positive figure film; It comprises plate body 301; And be arranged on the plate body 301, first module layout 302 and the second unit layout 303 corresponding respectively with the circuit board first upper thread road and the second upper thread road, and a slice PCB that respectively set type in middle first module layout 302 and the second unit layout, 303 corresponding regions, first module layout 302 and the second unit layout, 303 areas equate; First module layout 302 is the sub-film of W shape circuit corresponding to circuit board CS upper thread road figure, and the second unit layout 303 is the sub-film of Z-shaped circuit corresponding to circuit board SS upper thread road figure.
The edges of boards of plate body 301 are provided with registration holes 304; When pcb board is produced; Can use black film egative film (silver salt sheet) to copy out the film structure of the utility model embodiment; Make public the exposure of the Z-shaped circuit of the exposure of the W shape circuit of first PCB in first module layout 302 zones and the second unit layout, second PCB in 303 zones through first face of registration holes 304 to this PCB with this film structure; Afterwards this PCB is turned over; Make public with second face of film structure to this PCB; Make made public just now that sheet PCB of Z-shaped circuit of first module layout 302 regional alignments; Make made public just now another sheet PCB of W shape circuit of the second unit layout, 303 regional alignments, such two PCB front descriptions of setting type and reverse side pattern all use same Zhang Feilin structure to accomplish.
Adopt the layout mode of the film structure of said structure, every money PCB model can be saved a film, and the utilization ratio of the film is doubled, and can reduce by 50% film cost.
As a kind of execution mode, above-mentioned PCB can be the FR-4 wiring board, can also be other flexible boards, Rigid Flex, metal substrate, ceramic wafer etc.
As a kind of execution mode, said circuit is not limited only to W shape, Z-shaped, can also be other Any shape according to the circuit design needs.
As a kind of execution mode, can be provided with on the plate body 301 that one, two or more first module layout 302, the second unit layouts 303 are corresponding to be equated with first module layout 302 quantity.
The above is the embodiment of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also are regarded as the protection range of the utility model.
Claims (5)
1. the film structure of a circuit board is characterized in that, comprises plate body, and be arranged on the said plate body, first module layout and the second unit layout corresponding respectively with the circuit board first upper thread road and the second upper thread road.
2. the film structure of circuit board as claimed in claim 1 is characterized in that, said first module layout equates with the second unit layout area.
3. the film structure of circuit board as claimed in claim 1 is characterized in that, said first module layout is the sub-film of W shape circuit, and the said second unit layout is the sub-film of Z-shaped circuit.
4. the film structure of circuit board as claimed in claim 1 is characterized in that, said plate body is provided with the registration holes that is used for carrying out with said circuit board contraposition.
5. like the film structure of each described circuit board in the claim 1 to 4, it is characterized in that said plate body is provided with one, two or more said first module layout, the said second unit layout equates with first module layout quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201377552U CN202535648U (en) | 2012-04-01 | 2012-04-01 | Film structure for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201377552U CN202535648U (en) | 2012-04-01 | 2012-04-01 | Film structure for circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202535648U true CN202535648U (en) | 2012-11-14 |
Family
ID=47136797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201377552U Expired - Fee Related CN202535648U (en) | 2012-04-01 | 2012-04-01 | Film structure for circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202535648U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465179A (en) * | 2020-05-27 | 2020-07-28 | 西安金百泽电路科技有限公司 | Post-processing method for characters of small pcs unit board |
| CN112485969A (en) * | 2020-11-25 | 2021-03-12 | 广东世运电路科技股份有限公司 | Film and film processing technology |
-
2012
- 2012-04-01 CN CN2012201377552U patent/CN202535648U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465179A (en) * | 2020-05-27 | 2020-07-28 | 西安金百泽电路科技有限公司 | Post-processing method for characters of small pcs unit board |
| CN112485969A (en) * | 2020-11-25 | 2021-03-12 | 广东世运电路科技股份有限公司 | Film and film processing technology |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20200401 |