CN104202957B - The wave absorbing patch of use for electronic products - Google Patents
The wave absorbing patch of use for electronic products Download PDFInfo
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- CN104202957B CN104202957B CN201410440407.6A CN201410440407A CN104202957B CN 104202957 B CN104202957 B CN 104202957B CN 201410440407 A CN201410440407 A CN 201410440407A CN 104202957 B CN104202957 B CN 104202957B
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- layer
- prismatic protrusions
- protrusions portion
- wave
- adhesive layer
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Abstract
The present invention discloses a kind of wave absorbing patch of use for electronic products, including PET insulating layers, metal layer, suction wave layer and separated type material layer；The first adhesive layer is provided between PET insulating layers and metal layer, it is provided with the second adhesive layer between the metal layer and suction wave layer, it is provided with third adhesive layer between the suction wave layer and separated type material layer, the metal layer has several the first prismatic protrusions portions, the first prismatic protrusions portion with the surface that wave layer contacts is inhaled, the height in first prismatic protrusions portion is more than the height in the second prismatic protrusions portion, the first prismatic protrusions portion and the second prismatic protrusions portion is alternately arranged and the first adjacent prismatic protrusions portion, the second prismatic protrusions portion）It is spaced between respective bottom.The wave absorbing patch of use for electronic products of the present invention improves the utilization rate of metal layer reflection electromagnetic field, and the setting of metal layer can form multiple absorption, significantly improve the absorbing property of wave absorbing patch.
Description
Technical field
The invention belongs to technical field of electronic materials more particularly to a kind of wave absorbing patch of use for electronic products.
Background technology
Currently, the piece of widely used metal or net are heavier as shielding material, there is shell domestic demand of the configuration in equipment
The problem of spending labour and time.Moreover, there are electro-magnetic wave absorption abilities to have greatly anisotropic for the piece or net of metal
Tendency, i.e., the tendency that electro-magnetic wave absorption ability is remarkably decreased when the incidence angle of electromagnetic wave increases.The electricity that electronic product releases
Magnetic wave can bring electromagnetic interference to other electronic equipments of surrounding, make its operation irregularity；Also health can be caused to endanger simultaneously
Evil.For at present, micromation, Highgrade integration are the main trends of electronic product development, and the inner space of these products is opposite
It is narrow.In absorbing material, patch-type absorbing material thickness is thin, easy to use, for reducing electromagnetic radiation, preventing electromagnetic interference from having
Good effect, compares and is suitably applied in electronic product.Therefore, it designs and develops thin thickness, light weight, be suitable for small space
Patch-type electromagnetic wave absorbent material, become those skilled in the art effort direction.
Invention content
The present invention provides a kind of wave absorbing patch of use for electronic products, and the wave absorbing patch of this use for electronic products improves metal layer
The setting of the utilization rate of reflection of electromagnetic, metal layer can form multiple absorption, significantly improve the absorbing property of wave absorbing patch.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of wave absorbing patch of use for electronic products, including
PET insulating layers, inhale wave layer and separated type material layer at metal layer；The first adhesive layer, institute are provided between PET insulating layers and metal layer
It states and is provided with the second adhesive layer between metal layer and suction wave layer, third gluing is provided between the suction wave layer and separated type material layer
Layer, the metal layer with inhale the surface that contacts of wave layer with several the first prismatic protrusions portions, the first prismatic protrusions portion, described the
The height in one prismatic protrusions portion is more than the height in the second prismatic protrusions portion, the first prismatic protrusions portion and the second prismatic protrusions portion alternating
Arrangement and the first adjacent prismatic protrusions portion, the second prismatic protrusions portion are respectively spaced between bottom.
Further improved technical solution is as follows in above-mentioned technical proposal：
1, in said program, the height of first prism is 1 with the height height ratio of the second prism：0.6~0.4.
2, in said program, the height of first prism is 20 ~ 30 μm, and the height of second prism is 12 ~ 15 μm.
3, in said program, the thickness of first adhesive layer is less than the thickness of the second adhesive layer, second adhesive layer
Thickness be less than third adhesive layer.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
The wave absorbing patch of use for electronic products of the present invention, metal layer have several first ribs with the surface that wave layer contacts is inhaled
Mirror lug boss, the first prismatic protrusions portion, the height in first prismatic protrusions portion are more than the height in the second prismatic protrusions portion, and first
Prismatic protrusions portion and the second prismatic protrusions portion are alternately arranged and the respective bottom in the first adjacent prismatic protrusions portion, the second prismatic protrusions portion
It is spaced between portion, the utilization rate of metal layer reflection electromagnetic field is improved, the setting of metal layer can form multiple absorption, show
Write the absorbing property for improving wave absorbing patch；Simultaneously as a large amount of electromagnetic wave absorptions in use, can cause temperature to increase, it is this
Metal layer with several prismatic protrusions portions avoids the excessively concentration of heat, is conducive to heat diffusion, also avoids due to temperature
Rising causes film to upwarp, and improves the stability of properties of product；Secondly, on the one hand insulating layer and using for PET film layer improve
The intensity of material.
Description of the drawings
Attached drawing 1 is the wave absorbing patch structural schematic diagram of use for electronic products of the present invention；
Attached drawing 2 is the wave absorbing patch structural schematic diagram of comparative example use for electronic products.
In the figures above：1, PET insulating layers；2, metal layer；3, wave layer is inhaled；4, separated type material layer；5, the first adhesive layer；6、
Second adhesive layer；7, third adhesive layer；81, the first prismatic protrusions portion；82, the second prismatic protrusions portion；9, it is spaced.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments：
Embodiment 1：A kind of wave absorbing patch of use for electronic products, as shown in Fig. 1, including PET insulating layers 1, metal layer 2,
Inhale wave layer 3 and separated type material layer 4；The first adhesive layer 5, the metal layer 2 and suction are provided between PET insulating layers 1 and metal layer 2
It is provided with the second adhesive layer 6 between wave layer 3, third adhesive layer 7 is provided between the suction wave layer 3 and separated type material layer 4, it is described
Metal layer 2 with inhale the surface that contact of wave layer 3 with several the first prismatic protrusions portions 81, the first prismatic protrusions portion 82, described the
The height in one prismatic protrusions portion 81 is more than the height in the second prismatic protrusions portion 82, the first prismatic protrusions portion 81 and the second prismatic protrusions
Portion 82 is alternately arranged and spaced 9 between the first adjacent prismatic protrusions portion 81,82 respective bottom of the second prismatic protrusions portion.
The height of above-mentioned first prism 81 is 25 μm, and the height of second prism 82 is 12 μm.First adhesive layer 5
Thickness be less than the thickness of the second adhesive layer 6, the thickness of second adhesive layer 7 is less than third adhesive layer 7.
It inhales wave layer to be kneaded by soft magnetic powder and macromolecule matrix, the electromagnetic wave of electronic product release is damaged with electricity
The modes such as consumption, magnetic loss are converted into the energy of thermal energy or other forms to achieve the effect that reduce electromagnetic radiation, in 2 ~ 18GHz models
There is preferable absorption in enclosing, incident reflection of electromagnetic wave resorption wave layer can be formed multiple absorption.
Above-mentioned 1 thickness of PET insulating layers is 6 microns；First adhesive layer 5, the second adhesive layer 6 and third adhesive layer 7 are equal
For esters of acrylic acid adhesive layer.
Embodiment 2：A kind of wave absorbing patch of use for electronic products, as shown in Fig. 1, including PET insulating layers 1, metal layer 2,
Inhale wave layer 3 and separated type material layer 4；The first adhesive layer 5, the metal layer 2 and suction are provided between PET insulating layers 1 and metal layer 2
It is provided with the second adhesive layer 6 between wave layer 3, third adhesive layer 7 is provided between the suction wave layer 3 and separated type material layer 4, it is described
Metal layer 2 with inhale the surface that contact of wave layer 3 with several the first prismatic protrusions portions 81, the first prismatic protrusions portion 82, described the
The height in one prismatic protrusions portion 81 is more than the height in the second prismatic protrusions portion 82, the first prismatic protrusions portion 81 and the second prismatic protrusions
Portion 82 is alternately arranged and spaced 9 between the first adjacent prismatic protrusions portion 81,82 respective bottom of the second prismatic protrusions portion.
The height of above-mentioned first prism 81 is 26 μm, and the height of second prism 82 is 13 μm.First adhesive layer 5
Thickness be less than the thickness of the second adhesive layer 6, the thickness of second adhesive layer 7 is less than third adhesive layer 7.
It inhales wave layer to be kneaded by soft magnetic powder and macromolecule matrix, the electromagnetic wave of electronic product release is damaged with electricity
The modes such as consumption, magnetic loss are converted into the energy of thermal energy or other forms to achieve the effect that reduce electromagnetic radiation, in 2 ~ 18GHz models
There is preferable absorption in enclosing, incident reflection of electromagnetic wave resorption wave layer can be formed multiple absorption.
Above-mentioned 1 thickness of PET insulating layers is 8 microns；First adhesive layer 5, the second adhesive layer 6 and third adhesive layer 7 are equal
For esters of acrylic acid adhesive layer.
The thickness of above-mentioned first adhesive layer 5 is less than the thickness of the second adhesive layer 6, and the thickness of second adhesive layer 7 is less than
Third adhesive layer 7.
Absorbing property is detected using reflectivity arch method of testing, and minimum reflectance is less than -10dB.
Using above-mentioned use for electronic products wave absorbing patch when, metal layer with inhale the surface that contact of wave layer with several the
One prismatic protrusions portion, the first prismatic protrusions portion, the height in first prismatic protrusions portion are more than the height in the second prismatic protrusions portion,
First prismatic protrusions portion and the second prismatic protrusions portion are alternately arranged and the first adjacent prismatic protrusions portion, the second prismatic protrusions portion are each
From spaced between bottom, the utilization rate of metal layer reflection electromagnetic field is improved, the setting of metal layer can form multiple suction
It receives, significantly improves the absorbing property of wave absorbing patch；Simultaneously as a large amount of electromagnetic wave absorptions in use, can cause temperature to increase,
This metal layer with several prismatic protrusions portions, avoids the excessively concentration of heat, is conducive to heat diffusion, also avoid by
Cause film to upwarp in Wen Sheng, improves the stability of properties of product；Secondly, on the one hand insulating layer and using for PET film layer carry
The high intensity of material.
Comparative example：A kind of wave absorbing patch of use for electronic products, as shown in Fig. 2, including PET insulating layers 1, metal layer 2, suction
Wave layer 3 and separated type material layer 4；The suction wave layer 3 is kneaded by ferrite powder and macromolecule matrix, PET insulating layers 1 and gold
It is provided with the first adhesive layer 5 between category layer 2, the second adhesive layer 6, the suction wave are provided between the metal layer 2 and suction wave layer 3
Third adhesive layer 7 is provided between layer 3 and separated type material layer 4, the metal layer 2 has prism with the surface that wave layer 3 contacts is inhaled
Lug boss 8.
Test performance：Absorbing property is as follows in 2GHZ-4GHZ frequency ranges：
| Inhale wave layer thickness | 100μm | 200μm | 500μm | 1㎜ | 2㎜ | 5㎜ |
| Comparative example | -2.1dB | -3.2dB | -5.3 dB | -7dB | -10.2 dB | -12.2 dB |
| Embodiment 1 | -2.5 dB | -3.6dB | -5.8dB | -7.7 dB | -10.8 dB | -14dB |
| Embodiment 2 | -2.7 dB | -3.5 dB | -6 dB | -7.5 dB | -10.6 dB | -13.8 dB |
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (2)
1. a kind of wave absorbing patch of use for electronic products, it is characterised in that：Including PET insulating layers（1）, metal layer（2）, inhale wave layer
（3）With separated type material layer（4）；The suction wave layer（3）It is kneaded by ferrite powder and macromolecule matrix, PET insulating layers（1）
With metal layer（2）Between be provided with the first adhesive layer（5）, the metal layer（2）With suction wave layer（3）Between be provided with the second gluing
Layer（6）, the suction wave layer（3）With separated type material layer（4）Between be provided with third adhesive layer（7）, the metal layer（2）With suction wave
Layer（3）The surface of contact has several the first prismatic protrusions portions（81）, the second prismatic protrusions portion（82）, first prism is convex
The portion of rising（81）Height be more than the second prismatic protrusions portion（82）Height, the first prismatic protrusions portion（81）With the second prismatic protrusions portion
（82）It is alternately arranged and the first adjacent prismatic protrusions portion（81）, the second prismatic protrusions portion（82））Between respective bottom there are
Every（9）；First prismatic protrusions portion（81）（3）Height and the second prismatic protrusions portion（82）Height height ratio be 1：0.6~
0.4。
2. the wave absorbing patch of use for electronic products according to claim 1, it is characterised in that：First adhesive layer（5）'s
Thickness is less than the second adhesive layer（6）Thickness, second adhesive layer（6）Thickness be less than third adhesive layer（7）.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810500531.5A CN108738291B (en) | 2014-09-01 | 2014-09-01 | Film with shielding function |
| CN201410440407.6A CN104202957B (en) | 2014-09-01 | 2014-09-01 | The wave absorbing patch of use for electronic products |
| CN201810500904.9A CN108728005B (en) | 2014-09-01 | 2014-09-01 | High heat conduction type wave-absorbing film |
| CN201810500228.5A CN108811477B (en) | 2014-09-01 | 2014-09-01 | Electronic product film for reducing electromagnetic radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410440407.6A CN104202957B (en) | 2014-09-01 | 2014-09-01 | The wave absorbing patch of use for electronic products |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810500228.5A Division CN108811477B (en) | 2014-09-01 | 2014-09-01 | Electronic product film for reducing electromagnetic radiation |
| CN201810500904.9A Division CN108728005B (en) | 2014-09-01 | 2014-09-01 | High heat conduction type wave-absorbing film |
| CN201810500531.5A Division CN108738291B (en) | 2014-09-01 | 2014-09-01 | Film with shielding function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104202957A CN104202957A (en) | 2014-12-10 |
| CN104202957B true CN104202957B (en) | 2018-09-18 |
Family
ID=52088158
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810500228.5A Active CN108811477B (en) | 2014-09-01 | 2014-09-01 | Electronic product film for reducing electromagnetic radiation |
| CN201810500904.9A Active CN108728005B (en) | 2014-09-01 | 2014-09-01 | High heat conduction type wave-absorbing film |
| CN201810500531.5A Active CN108738291B (en) | 2014-09-01 | 2014-09-01 | Film with shielding function |
| CN201410440407.6A Active CN104202957B (en) | 2014-09-01 | 2014-09-01 | The wave absorbing patch of use for electronic products |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810500228.5A Active CN108811477B (en) | 2014-09-01 | 2014-09-01 | Electronic product film for reducing electromagnetic radiation |
| CN201810500904.9A Active CN108728005B (en) | 2014-09-01 | 2014-09-01 | High heat conduction type wave-absorbing film |
| CN201810500531.5A Active CN108738291B (en) | 2014-09-01 | 2014-09-01 | Film with shielding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN108811477B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999735B (en) * | 2015-05-21 | 2017-12-12 | 斯迪克新型材料（江苏）有限公司 | Composite film-stuck with shielding electromagnetic field function |
| CN108481839A (en) * | 2017-05-19 | 2018-09-04 | 上海浦健科技有限公司 | A kind of device for absorbing negative polarity particle |
| CN113337248A (en) * | 2021-06-01 | 2021-09-03 | 浙江原邦材料科技有限公司 | Composite wave-absorbing material and preparation method thereof |
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| JP3703732B2 (en) * | 2000-05-01 | 2005-10-05 | 株式会社竹中工務店 | Pavement structure |
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| JP4649466B2 (en) * | 2006-12-11 | 2011-03-09 | 大日本印刷株式会社 | Optical laminate and display device |
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2014
- 2014-09-01 CN CN201810500228.5A patent/CN108811477B/en active Active
- 2014-09-01 CN CN201810500904.9A patent/CN108728005B/en active Active
- 2014-09-01 CN CN201810500531.5A patent/CN108738291B/en active Active
- 2014-09-01 CN CN201410440407.6A patent/CN104202957B/en active Active
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| JP2004134571A (en) * | 2002-10-10 | 2004-04-30 | Nippon Tokushu Toryo Co Ltd | Sound-absorption electromagnetic wave absorbing material |
| CN202626089U (en) * | 2012-03-31 | 2012-12-26 | 常州宏巨电子科技有限公司 | Conductive cloth adhesive tape |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104202957A (en) | 2014-12-10 |
| CN108811477A (en) | 2018-11-13 |
| CN108738291B (en) | 2020-02-14 |
| CN108728005B (en) | 2020-03-06 |
| CN108738291A (en) | 2018-11-02 |
| CN108728005A (en) | 2018-11-02 |
| CN108811477B (en) | 2020-02-14 |
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Address after: 223900 Sihong Province Economic Development Zone, Suqian, West Ocean West Road, No. 6 Applicant after: Jiangsu Stick new materials Polytron Technologies Inc Address before: 215400 Taicang, Suzhou, Taicang Economic Development Zone, Qingdao West Road, No. 11, No. Applicant before: Suzhou Sidike New Material Science & Technology Co., Ltd. |
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