CN205266015U - Circuit board - Google Patents
Circuit board Download PDFInfo
- Publication number
- CN205266015U CN205266015U CN201521088925.2U CN201521088925U CN205266015U CN 205266015 U CN205266015 U CN 205266015U CN 201521088925 U CN201521088925 U CN 201521088925U CN 205266015 U CN205266015 U CN 205266015U
- Authority
- CN
- China
- Prior art keywords
- circuit
- circuit board
- substrate
- base material
- hole
- 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.)
- Expired - Fee Related
Links
- 238000005530 etching Methods 0.000 claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 32
- 238000000576 coating method Methods 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052709 silver Inorganic materials 0.000 claims abstract description 9
- 239000004332 silver Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 40
- 239000005030 aluminium foil Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000011094 fiberboard Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 claims description 3
- 229920006289 polycarbonate film Polymers 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- -1 AsiaGram force Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 abstract 1
- 239000011889 copper foil Substances 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Manufacturing Of Printed Circuit Boards (AREA)
- Structure Of Printed Boards (AREA)
Abstract
The utility model relates to a circuit board, this circuit board include the substrate and are located the etching metallic circuit of substrate top, are equipped with at least a pair of through -hole on this substrate, and through -hole substrate bottom inside and that be located between two through -holes is equipped with conducting coating, and the substrate forms the closed -loop who switches on with the etching metallic circuit. The utility model discloses set up the etching metallic circuit and replace traditional circuit that the silver -colored circuit of printing formed on the substrate above the substrate, on the conducting wire concentrated on the metal level fine and closely wovenly, bad probability took place for the circuit that reduces when printing, promotes the yield, and to substrate drilling, in the through -hole and the substrate bottom establish conducting coating, switching on closed -loop and can replacing the wire jumper technology that has now of formation has reduced production processes, has reduced the technology degree of difficulty, has saved manufacturing cost by a wide margin. The utility model discloses a circuit board's application includes the light guide plate as luminous keyboard with this circuit board, and direct the cooperation with emitting diode uses the bottom that can realize the keyboard luminous.
Description
Technical field
The utility model relates to a kind of circuit board, is specifically related to a kind of by the electricity of etching metal circuit and metal coating conductingRoad plate, belongs to electronic technology field.
Background technology
Traditional circuit board is generally by making at substrate surface printed silver line, and the fraction defective of printed silver line formation circuit veryHeight, complex manufacturing, and the circuit board waterproof ability of making is poor, and cost is higher; Meanwhile, traditional circuit board is logicalCross on silver-colored line circuit surface and put up a bridge and form wire jumper, easily produce the phenomenons such as short circuit.
Utility model content
Utility model object: the purpose of this utility model is to provide a kind of circuit board.
Technical scheme: circuit board described in the utility model, comprise base material and be positioned at the etching metal circuit of base material top,This base material is provided with at least one pair of through hole, and through hole base material bottom inner and between two through hole is provided with conductive coating,Base material and etching metal circuit form the closed-loop path of conducting. By one side etching metal circuit, form conducting wire, andBy to base material boring, in through hole and bottom base material, establish conductive coating, make the mode of base material and etching metal circuit turn-onForm wire jumper, can realize the function of traditional circuit-board completely, and production process is simple, cost is lower.
Above-mentioned conductive coating is metal coating or carbon coating.
Preferably, metal coating is silver coating or copper coating.
Above-mentioned etching metal circuit is etching copper foil circuit or etching aluminium foil circuit. Preferably etching aluminium foil circuit, can enter oneStep reduces costs.
Preferably, be provided with conducting metal protective layer at above-mentioned etching aluminium foil circuit surface.
Concrete, base material is Kapton, polyester film, polycarbonate film, polyvinyl chloride film or other are softProperty base material.
Above-mentioned base material also can be glass, rubber, acrylic, plastics, glass fibre, fiberboard, pottery or other hardBase material.
Beneficial effect: compared with prior art, the utility model has the advantage of:
(1) the utility model adopts the traditional printed silver line on base material of etching metal circuit replacement is being set above base materialThe circuit that road forms, and by base material boring, in through hole and bottom base material, establish conductive coating, base material and etching metalCircuit forms closed-loop path, replaces existing wire jumper with the closed-loop path of this conducting, has reduced production process, has reduced workSkill difficulty, has significantly saved production cost; Meanwhile, etching metal circuit makes conducting wire compactly concentrate on metal levelUpper, there is bad probability in the circuit while reducing printing, promotes yield;
(2) by gold-plated on etching metal circuit, zinc-plated or other conducting metal protective layers, even if there is water to polluteHerein, after oven dry, circuit board still can normally use, and waterproof ability is improved significantly simultaneously, from current rowWithin 2 hours of industry testing standard, be promoted to 24 hours or longer, this circuit that is printed silver is starched in current industry cannot be realExisting;
(3) circuit board of the present utility model can be used as LGP use, and direct and light emitting diode is used in conjunction with can be realThe bottom-emission of existing keyboard; Circuit board of the present utility model also can be used in conjunction with various flexible substrates or hard substrate, realThe now versatility in each field; And, due to the structure of circuit board uniqueness of the present utility model, even and KaptonBe used in conjunction with, more traditional circuit board also can effectively reduce costs.
Brief description of the drawings
Fig. 1 is board structure of circuit schematic diagram of the present utility model;
Fig. 2 is the schematic diagram of the closed-loop path that in circuit board of the present utility model, base material and etching metal circuit form, in figure,The direction of arrow is circuit turn-on direction.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is described further.
As Fig. 1, circuit board of the present utility model, comprises base material 1 and the etching metal circuit 2 that is positioned at base material 1 top,Base material 1 is provided with at least one pair of through hole 3, and through hole 3 base material bottom inner and between two through hole 3 is provided with conductionCoating 4, base material 1 and etching metal circuit 2 form the closed-loop path of conducting, as Fig. 2.
At base material 1 one side, etching metal circuit 2 is set, the circuit that replaces traditional printed silver line on base material 1 to form,Conducting wire compactly concentrates on metal level, and the circuit that printing forms relatively can reduce bad probability occurs, and promotesYield; By base material 1 is holed, conductive coating 4, etching are established in the base material bottom in through hole 3 and between two through hole 3Metallic circuit 2 and base material 1 conducting, be equivalent to wire jumper of the prior art, makes the circuit board of the present utility model can be completeRealize the function of traditional circuit-board, and, compared with traditional circuit board, reducing production process, production technology is comparativelySimply, thus significantly saved production cost.
Base material 1 can be Kapton, polyester film, polycarbonate film, polyvinyl chloride film or other soft basesMaterial, wherein, mylar better performances, and cost is lower; Base material 1 also can be glass, rubber, acrylic, plastics,Glass fibre, fiberboard, pottery or other hard substrates. By form circuit board on different base materials, can make circuitPlate is widely used in every field.
Etching metal circuit 2 can be etching copper foil circuit, etching aluminium foil circuit or other etching metal circuit. When selecting erosionWhile carving aluminium foil circuit, can add conducting metal protective layer on its surface, even if there is water to pollute herein, after oven dry stillCan normally use. And compared with etching copper foil circuit, etching aluminium foil circuit can further reduce costs.
Can formation conduction in the bottom of the base material in through hole 3 and between through hole 3 be coated with by the mode of printing or coating electrically conductive materialLayer 4. As metal coatings such as printing or copper coated slurry, silver slurries, also can print or the formation of coating carbon slurry has electric conductivityCarbon coating.
The quantity of through hole 3 can be multipair, offers through hole 3 according to the quantity and the position that need the wire jumper arranging in circuit board.
The LGP that circuit board of the present utility model can be used as illuminated keyboard uses. The base material 1 of circuit board is provided with through hole 3,And there is etching metal circuit 2, light emitting diode is fitted on circuit board, increase necessary optical material, Ji KechuanLose line, reach the effect of keyboard bottom-emission.
Claims (8)
1. a circuit board, is characterized in that, comprises base material (1) and is positioned at the etching metal of base material (1) topCircuit (2), this base material (1) is provided with at least one pair of through hole (3), and described through hole (3) is inner and be positioned at two through hole(3) the base material bottom between is provided with conductive coating (4), described base material (1) and described etching metal circuit (2) shapeBecome the closed-loop path of conducting.
2. circuit board according to claim 1, is characterized in that, described conductive coating (4) be metal coating orCarbon coating.
3. circuit board according to claim 2, is characterized in that, described metal coating is silver coating or copper coating.
4. circuit board according to claim 1, is characterized in that, described etching metal circuit (2) is etch copperPaper tinsel circuit or etching aluminium foil circuit.
5. circuit board according to claim 4, is characterized in that, described etching aluminium foil circuit surface is provided with conductionCoat of metal.
6. circuit board according to claim 1, is characterized in that, described base material (1) is flexible substrate or hardBase material.
7. circuit board according to claim 6, is characterized in that, described flexible substrate be Kapton,Polyester film, polycarbonate film or polyvinyl chloride film.
8. circuit board according to claim 6, is characterized in that, described hard substrate is glass, rubber, AsiaGram force, plastics, glass fibre, fiberboard or pottery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521088925.2U CN205266015U (en) | 2015-12-24 | 2015-12-24 | Circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521088925.2U CN205266015U (en) | 2015-12-24 | 2015-12-24 | Circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205266015U true CN205266015U (en) | 2016-05-25 |
Family
ID=56007512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521088925.2U Expired - Fee Related CN205266015U (en) | 2015-12-24 | 2015-12-24 | Circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205266015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430875A (en) * | 2015-12-24 | 2016-03-23 | 江苏传艺科技股份有限公司 | Circuit board and application thereof |
-
2015
- 2015-12-24 CN CN201521088925.2U patent/CN205266015U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430875A (en) * | 2015-12-24 | 2016-03-23 | 江苏传艺科技股份有限公司 | Circuit board and application thereof |
| CN105430875B (en) * | 2015-12-24 | 2018-06-19 | 江苏传艺科技股份有限公司 | Circuit board and its application |
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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: 20160525 |