CN203416501U - PCB (printed circuit board) - Google Patents
PCB (printed circuit board) Download PDFInfo
- Publication number
- CN203416501U CN203416501U CN201320515655.3U CN201320515655U CN203416501U CN 203416501 U CN203416501 U CN 203416501U CN 201320515655 U CN201320515655 U CN 201320515655U CN 203416501 U CN203416501 U CN 203416501U
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- China
- Prior art keywords
- metal level
- pcb board
- utility
- model
- pcb
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Abstract
The utility model discloses a PCB (printed circuit board), which comprises an insulating layer, an upper metal layer and a lower metal layer, wherein the upper and lower metal layers are tightly attached to the insulating layer, two sides of the upper and lower metal layers are provided with through holes which penetrate through the insulating layer and connecting the upper metal layer and the lower metal layer, and the middle of the upper metal layer and the lower metal layer is hollow. The PCB disclosed by the utility model can replace a metal diaphragm in a metal diaphragm type waveguide filter, and is simple to process and good in consistency.
Description
Technical field
The utility model relates to a kind of pcb board.
Background technology
Existing radio communication detecting system waveguide filter is commonly used in data return system, metal film chip waveguide filter is applied in this system, in traditional metallic membrane filter, the processing of metallic membrane is mainly cut into master with line, because diaphragm itself is very thin, easily distortion, the consistency of size is difficult to guarantee.
Summary of the invention
The purpose of this utility model is to provide a kind of metallic membrane that can replace in metal film chip waveguide filter, and processing is simple, consistency is better installed.
For achieving the above object, the utility model adopts following technical scheme: a kind of pcb board, insulating barrier in the middle of comprising and the metal level that is close to the above and below of insulating barrier, the dual-side of the metal level of described above and below is provided with the through hole that runs through insulating barrier and connect above and below metal level, and the centre of the metal level of described above and below is Openworks shape.The metal level of pcb board both sides connects by a lot of through holes, has formed equipotential plane, has guaranteed conducting of two sides metal level.
As the further optimization of such scheme, described through hole cross section is circular or square or triangle.
As the further optimization of such scheme, the dual-side of the metal level of described above and below is respectively provided with two exhausting holes.
The beneficial effects of the utility model main manifestations is: compared to traditional metal diaphragm, pcb board have processing simply, the feature of not yielding and high conformity, and pcb board metal level of the present utility model can make the shape of various hollow outs by processing technologys such as etchings, improved the flexibility of pcb board design.
Accompanying drawing explanation
Fig. 1 is schematic top plan view of the present utility model.
Fig. 2 is vertical cross-section schematic diagram of the present utility model.
Wherein 1 is metal level, the 2nd, and through hole, the 3rd, insulating barrier.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the utility model will be further described.
As illustrated in fig. 1 and 2, a kind of pcb board, insulating barrier 3 in the middle of comprising and the metal level 1 that is close to the above and below of insulating barrier 3, the dual-side of the metal level 1 of described above and below is provided with the through hole 2 that runs through insulating barrier 3 and connect above and below metal level 1, and the centre of the metal level 1 of described above and below is Openworks shape.Described through hole 2 cross sections are circular.The dual-side of the metal level 1 of described above and below is respectively provided with two exhausting holes 2.The metal level 1 of pcb board both sides connects by a lot of through hole 2, has formed equipotential plane.
The utility model has substituted traditional metal diaphragm with pcb board, for pcb board metal level 1, the metal level 1 of pcb board both sides goes out the region of some hollow outs by etching or other processes, adjust the size in these hollow out regions, can regulate the size of joint number, single-unit resonance frequency and the signal coupling amount of filter, greatly bring up to the flexibility of design, and can metal level 1 done very thinly, compare for some diaphragm type filters, can reach the effect of reduced volume.And the pcb board of this filter adds man-hour, compared with traditional metallic membrane, to process simply too muchly, the pcb board that etching and processing technique obtains can reach higher precision and consistency.
By reference to the accompanying drawings the utility model preferred implementation is explained in detail above, but the utility model is not limited to above-mentioned execution mode, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make a variety of changes.
Do not depart from design of the present utility model and scope and can make many other changes and remodeling.Should be appreciated that the utility model is not limited to specific execution mode, scope of the present utility model is defined by the following claims.
Claims (5)
1. a pcb board, insulating barrier in the middle of comprising and the metal level that is close to the above and below of insulating barrier, the dual-side of the metal level of described above and below is provided with the through hole that runs through insulating barrier and connect above and below metal level, and the centre of the metal level of described above and below is Openworks shape.
2. a kind of pcb board according to claim 1, is characterized in that, described through hole cross section is circular.
3. a kind of pcb board according to claim 1, is characterized in that, described through hole cross section is square.
4. a kind of pcb board according to claim 1, is characterized in that, described through hole cross section is triangle.
5. a kind of pcb board according to claim 1, is characterized in that, the dual-side of the metal level of described above and below is respectively provided with two exhausting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320515655.3U CN203416501U (en) | 2013-08-22 | 2013-08-22 | PCB (printed circuit board) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320515655.3U CN203416501U (en) | 2013-08-22 | 2013-08-22 | PCB (printed circuit board) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203416501U true CN203416501U (en) | 2014-01-29 |
Family
ID=49979354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320515655.3U Expired - Fee Related CN203416501U (en) | 2013-08-22 | 2013-08-22 | PCB (printed circuit board) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203416501U (en) |
-
2013
- 2013-08-22 CN CN201320515655.3U patent/CN203416501U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20140129 Termination date: 20210822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |