CN221041526U - Flexible circuit board antenna - Google Patents
Flexible circuit board antenna Download PDFInfo
- Publication number
- CN221041526U CN221041526U CN202322762842.8U CN202322762842U CN221041526U CN 221041526 U CN221041526 U CN 221041526U CN 202322762842 U CN202322762842 U CN 202322762842U CN 221041526 U CN221041526 U CN 221041526U
- Authority
- CN
- China
- Prior art keywords
- flexible substrate
- antenna
- circuit board
- antenna body
- flexible circuit
- 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.)
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- 239000000758 substrate Substances 0.000 claims abstract description 39
- 230000005855 radiation Effects 0.000 claims abstract description 13
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 25
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000003292 glue Substances 0.000 abstract description 13
- 239000000126 substance Substances 0.000 abstract description 6
- 239000002253 acid Substances 0.000 abstract description 4
- 239000003513 alkali Substances 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000010408 film Substances 0.000 description 23
- 239000000463 material Substances 0.000 description 5
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000013039 cover film Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Details Of Aerials (AREA)
Abstract
The utility model relates to the technical field of flexible circuit boards, and discloses a flexible circuit board antenna, which comprises a flexible substrate, wherein an antenna body is arranged at the upper end of the flexible substrate, and a protection component is arranged at the upper end of the antenna body; the protection component comprises a covering film layer and a radiation shielding device, wherein the radiation shielding device is arranged on the upper end face of the flexible substrate, and the covering film layer is arranged at the upper end of the antenna body. According to the utility model, the covering film layer and the radiation shield are arranged, and the covering film layer is made of polytetrafluoroethylene film, so that the antenna has excellent chemical corrosion resistance and high-frequency characteristics, and the flexible substrate and the antenna body can be prevented from being influenced by external acid and alkali and the like, thereby the service life of the antenna is ensured; the setting of glue film, release paper, when needs will be installed this flexible circuit board antenna, operating personnel will tear from the glue film from the release paper to can paste the flexible substrate and install on other devices, guarantee its position stability.
Description
Technical Field
The utility model relates to the technical field of flexible circuit boards, in particular to a flexible circuit board antenna.
Background
The flexible circuit board is a printed circuit with high reliability and excellent flexibility, and a large number of precision elements are piled and embedded in a narrow and limited space through embedding a circuit design on a bendable light and thin plastic sheet, so that a bendable flexible circuit is formed, and the circuit can be bent at will, has light folding weight, small volume, good heat dissipation and convenient installation, and breaks through the traditional interconnection technology; in the structure of the flexible circuit, the materials are an insulating film, a conductor and an adhesive, and the flexible circuit has the characteristics of high wiring density, light weight, thin thickness and good flexibility.
At present, most of flexible circuit board antennas on the market are not provided with corresponding protective layers, and the base layer and the antennas are easily affected by external factors, such as moisture, pollution and the like, so that the performance of the antennas is possibly reduced, and the service lives of the antennas are even affected.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the flexible circuit board antenna, and the radiation shield and the covering film layer are arranged, so that the radiation shield can play a role in shielding external electromagnetic radiation, the covering film layer can play a role in preventing moisture and dust on the flexible substrate and the antenna body, and the electrical insulation performance is improved, thereby improving the stability and the reliability of the antenna, and solving the technical problems.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the flexible circuit board antenna comprises a flexible substrate, wherein an antenna body is arranged at the upper end of the flexible substrate, and a protection component is arranged at the upper end of the antenna body;
The protection component comprises a covering film layer and a radiation shielding device, wherein the radiation shielding device is arranged on the upper end face of the flexible substrate, and the covering film layer is arranged at the upper end of the antenna body.
Preferably, the material of the covering film layer is polytetrafluoroethylene film.
By the technical scheme, the polytetrafluoroethylene film has excellent chemical corrosion resistance and high-frequency characteristics.
Preferably, the right side of flexible substrate up end is provided with the reference column, and the reference column is provided with two, the locating hole has been seted up on the right side of antenna body up end, and the locating hole has been seted up two, the reference column sets up the inside at the locating hole.
Through above-mentioned technical scheme, the seting up of locating hole is convenient for the reference column setting in its inside.
Preferably, the lower extreme of covering the rete up end has been seted up and has been put down the hole, and has been put down the hole and have been seted up two, the other end of antenna body is connected with the golden finger, and the golden finger is connected with two, the golden finger sets up the inside in the hole of putting down, the lower extreme of flexible substrate is provided with the subassembly of pasting.
Through the technical scheme, the opening of the abdication hole plays an abdication role on the golden finger.
Preferably, the pasting component comprises a glue layer and release paper, wherein the glue layer is arranged on the lower end face of the flexible substrate, and the release paper is arranged on the lower end face of the glue layer.
Through the technical scheme, the setting of glue film is convenient for firmly paste flexible substrate on other devices to guarantee its position stability.
Compared with the prior art, the utility model provides the flexible circuit board antenna, which has the following beneficial effects:
According to the utility model, the covering film layer and the radiation shield are arranged, and the covering film layer is made of polytetrafluoroethylene film, so that the antenna has excellent chemical corrosion resistance and high-frequency characteristics, and the flexible substrate and the antenna body can be prevented from being influenced by external acid and alkali and the like, thereby the service life of the antenna is ensured; the setting of glue film, release paper, when needs will be installed this flexible circuit board antenna, operating personnel will tear from the glue film from the release paper to can paste the flexible substrate and install on other devices, guarantee its position stability.
Drawings
FIG. 1 is a schematic top view of the present utility model;
FIG. 2 is a schematic top view of a flexible substrate according to the present utility model;
fig. 3 is a schematic top view of an antenna body according to the present utility model;
FIG. 4 is a schematic top view of a covering film according to the present utility model;
FIG. 5 is a schematic cross-sectional view of the present utility model.
Wherein: 1. a flexible substrate; 2. a radiation shield; 3. positioning columns; 4. an antenna body; 5. a golden finger; 6. positioning holes; 7. covering a film layer; 8. a relief hole; 9. a glue layer; 10. release paper; 11. a protection component; 12. and (5) pasting the component.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1-5, the flexible circuit board antenna provided by the utility model comprises a flexible substrate 1, wherein an antenna body 4 is arranged at the upper end of the flexible substrate 1, and a protection component 11 is arranged at the upper end of the antenna body 4;
The protection component 11 comprises a covering film layer 7 and a radiation shielding device 2, the radiation shielding device 2 is arranged on the upper end face of the flexible substrate 1, and the covering film layer 7 is arranged at the upper end of the antenna body 4.
Specifically, the material of the cover film layer 7 is polytetrafluoroethylene film. The advantage is that polytetrafluoroethylene film has excellent chemical resistance and high frequency characteristic, can prevent flexible substrate 1 and antenna body 4 from receiving influence such as acid and alkali to improve the life of this antenna.
Specifically, the right side of flexible substrate 1 up end is provided with reference column 3, and reference column 3 is provided with two, and locating hole 6 has been seted up on the right side of antenna body 4 up end, and locating hole 6 has been seted up two, and reference column 3 sets up the inside at locating hole 6. The positioning device has the advantages that the positioning column 3 and the positioning hole 6 can play a role in positioning, so that the antenna body 4 is conveniently welded on the flexible substrate 1.
Specifically, the lower extreme of covering the up end of rete 7 has been seted up and has been put down hole 8, and has been put down hole 8 and have been seted up two, and the other end of antenna body 4 is connected with golden finger 5, and golden finger 5 is connected with two, and golden finger 5 sets up in the inside of hole 8 of putting down, and the lower extreme of flexible substrate 1 is provided with pastes subassembly 12. The advantage is that the opening of hole 8 of stepping down plays the effect of stepping down golden finger 5, and golden finger 5's setting is convenient for connect with other electronic component or connector.
Embodiment two:
As shown in fig. 5, as an improvement over the previous embodiment. Specifically, the pasting component 12 comprises a glue layer 9 and release paper 10, the glue layer 9 is arranged on the lower end face of the flexible substrate 1, and the release paper 10 is arranged on the lower end face of the glue layer 9. The advantage is that the operator tears the release paper 10 from the glue layer 9, so that the flexible substrate 1 can be mounted on other devices in a sticking way.
When the antenna is used, the positioning holes 6 on the antenna body 4 are aligned with the positioning columns 3 on the flexible substrate 1, so that the antenna body 4 is positioned, then the antenna body 4 is welded on the flexible substrate 1, the covering film layer 7 is attached to the antenna body 4 and the flexible substrate 1 by adopting a lamination technology, when the flexible substrate 1 is required to be installed on a specified device, an operator tears off the release paper 10 from the adhesive layer 9, and then the flexible substrate 1 is adhered and installed on the device through the adhesive layer 9, so that the position stability of the device is ensured; the material of the covering film layer 7 is polytetrafluoroethylene film, which has excellent chemical corrosion resistance and high frequency characteristics, and can prevent the flexible substrate 1 and the antenna body 4 from being affected by acid and alkali, etc., the material of the flexible substrate 1 is polyimide, which has good high temperature tolerance, flexibility, chemical resistance and electrical insulation, and the stability and reliability of the antenna are effectively increased.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A flexible circuit board antenna comprising a flexible substrate (1), characterized in that: an antenna body (4) is arranged at the upper end of the flexible substrate (1), and a protection component (11) is arranged at the upper end of the antenna body (4);
The protection assembly (11) comprises a covering film layer (7) and a radiation shielding device (2), the radiation shielding device (2) is arranged on the upper end face of the flexible substrate (1), and the covering film layer (7) is arranged at the upper end of the antenna body (4).
2. A flexible circuit board antenna according to claim 1, wherein: the covering film layer (7) is made of polytetrafluoroethylene film.
3. A flexible circuit board antenna according to claim 1, wherein: the right side of flexible substrate (1) up end is provided with reference column (3), and reference column (3) are provided with two, locating hole (6) have been seted up on the right side of antenna body (4) up end, and locating hole (6) have been seted up two, reference column (3) set up the inside in locating hole (6).
4. A flexible circuit board antenna according to claim 1, wherein: the lower extreme of covering rete (7) up end has been seted up and has been put down hole (8), and has been put down hole (8) and have been seted up two, the other end of antenna body (4) is connected with golden finger (5), and golden finger (5) are connected with two, golden finger (5) set up the inside in hole (8) of stepping down, the lower extreme of flexible substrate (1) is provided with pastes subassembly (12).
5. A flexible circuit board antenna according to claim 4, wherein: the adhesive assembly (12) comprises an adhesive layer (9) and release paper (10), wherein the adhesive layer (9) is arranged on the lower end face of the flexible substrate (1), and the release paper (10) is arranged on the lower end face of the adhesive layer (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322762842.8U CN221041526U (en) | 2023-10-16 | 2023-10-16 | Flexible circuit board antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322762842.8U CN221041526U (en) | 2023-10-16 | 2023-10-16 | Flexible circuit board antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221041526U true CN221041526U (en) | 2024-05-28 |
Family
ID=91183638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322762842.8U Active CN221041526U (en) | 2023-10-16 | 2023-10-16 | Flexible circuit board antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221041526U (en) |
-
2023
- 2023-10-16 CN CN202322762842.8U patent/CN221041526U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |