CN104302159A - Wideband multi-use wave absorbing film - Google Patents
Wideband multi-use wave absorbing film Download PDFInfo
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- CN104302159A CN104302159A CN201410445979.3A CN201410445979A CN104302159A CN 104302159 A CN104302159 A CN 104302159A CN 201410445979 A CN201410445979 A CN 201410445979A CN 104302159 A CN104302159 A CN 104302159A
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- adhesive layer
- wave absorbing
- metal layer
- ripple
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Abstract
The invention discloses a wideband multi-use wave absorbing film. The wideband multi-use wave absorbing film comprises a PET insulating layer, a composite metal layer, a wave absorbing layer and a release material layer. A first adhesive layer is arranged between the PET insulating layer and the composite metal layer. A second adhesive layer is arranged between the composite metal layer and the wave absorbing layer. A third adhesive layer is arranged between the wave absorbing layer and the release material layer. The composite metal layer is formed by stacking a copper layer and an aluminum foil layer. A plurality of prism protrusion parts arranged in parallel are arranged on the surface, making contact with the wave absorbing layer, of the composite metal layer. The tops of the prism protrusion parts are arc surfaces, and the radian of the arc surfaces is 15 degrees-35 degrees. According to the wideband multi-use wave absorbing film, the utilization rate of the composite metal layer for reflecting an electromagnetic field is increased, multiple times of absorbing can be formed as the wave absorbing film is provided with the composite metal layer, interference between rays is reduced, and the wave absorbing performance of the wave absorbing film is improved remarkably.
Description
Technical field
The invention belongs to technical field of electronic materials, particularly relate to a kind of broadband multipurpose and inhale ripple film.
Background technology
Along with the application of electronic product is more and more wider, electronic product operationally generates electromagnetic waves usually.In order to reduce electromagnetic interference, one is needed to have the suction ripple film inhaling wave energy.At present, microminiaturized, Highgrade integration is the main trend of electronic product development, and the inner space of these products is relatively narrow and small.In absorbing material, patch-type absorbing material thickness is thin, easy to use, for reduction electromagnetic radiation, prevents electromagnetic interference from having good effect, is relatively applicable to being applied in electronic product.Therefore, design and develop that thickness is thin, quality is light, be applicable to small space, improves the utilance electromagnetic wave absorbent material of complex metal layer reflection of electromagnetic, becomes the direction that those skilled in the art make great efforts.
Summary of the invention
The invention provides a kind of broadband multipurpose and inhale ripple film, this broadband multipurpose inhales the utilance that ripple film improves complex metal layer reflection of electromagnetic, arranging of complex metal layer can form re-absorption effect, decreases the interference between light and light, significantly improves the absorbing property inhaling ripple film.
For achieving the above object, the technical solution used in the present invention is: a kind of broadband multipurpose inhales ripple film, comprises PET insulating barrier, complex metal layer, suction ripple layer and separated type material layer; The first adhesive layer is provided with between PET insulating barrier and complex metal layer, the second adhesive layer is provided with between described complex metal layer and suction ripple layer, the 3rd adhesive layer is provided with between described suction ripple layer and separated type material layer, described complex metal layer is superposed by layers of copper and aluminium foil layer and forms, the surface that described complex metal layer contacts with suction ripple layer is provided with several prismatic protrusions portions arranged in parallel, this top, prismatic protrusions portion is arc surface, and the radian of this arc surface is 15 ° ~ 35 °.
The technical scheme improved further in technique scheme is as follows:
1, in such scheme, described PET thickness of insulating layer is less than 10 microns.
2, in such scheme, described first adhesive layer, the second adhesive layer and the 3rd adhesive layer are esters of acrylic acid adhesive layer.
3, in such scheme, the thickness of described first adhesive layer is less than the thickness of the second adhesive layer, and the thickness of described second adhesive layer is less than the 3rd adhesive layer.
Because technique scheme is used, the present invention compared with prior art has following advantages:
Broadband multipurpose of the present invention inhales ripple film, which raises the utilance of complex metal layer reflection of electromagnetic, the complex metal layer that forms is superposed and it has several prismatic protrusions portions by layers of copper and aluminium foil layer, re-absorption effect can be formed, significantly improve the absorbing property inhaling ripple film, simultaneously, due to electromagnetic wave absorption a large amount of in use, temperature can be caused to raise, this metal level with several prismatic protrusions portions, avoids the too concentrated of heat, is conducive to heat diffusion, also avoid, because temperature rise causes film to upwarp, improve the stability of properties of product; Secondly, its top, prismatic protrusions portion is arc surface, and the radian of this arc surface is 15 ° ~ 35 °, decreases the interference between light and light, further increases absorbing property; Again, the use of insulating barrier and PET film layer improves the intensity of material on the one hand, has also increased substantially the effect that its proof voltage punctures on the other hand.
Accompanying drawing explanation
Accompanying drawing 1 is broadband multipurpose suction ripple membrane structure schematic diagram of the present invention;
Accompanying drawing 2 is A place partial structurtes enlarged diagram in accompanying drawing 1;
Accompanying drawing 3 is comparative example suction ripple membrane structure schematic diagram.
In above accompanying drawing: 1, PET insulating barrier; 2, complex metal layer; 21, layers of copper; 22, aluminium foil layer; 3, ripple layer is inhaled; 4, separated type material layer; 5, the first adhesive layer; 6, the second adhesive layer; 7, the 3rd adhesive layer; 8, prismatic protrusions portion; 81, arc surface.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment 1: a kind of broadband multipurpose inhales ripple film, comprises PET insulating barrier 1, complex metal layer 2, inhales ripple layer 3 and separated type material layer 4; The first adhesive layer 5 is provided with between PET insulating barrier 1 and complex metal layer 2, the second adhesive layer 6 is provided with between described complex metal layer 2 and suction ripple layer 3, the 3rd adhesive layer 7 is provided with between described suction ripple layer 3 and separated type material layer 4, described complex metal layer 2 is superposed by layers of copper 21 and aluminium foil layer 22 and forms, the surface that described complex metal layer 2 contacts with suction ripple layer 3 is provided with several prismatic protrusions portions 8 arranged in parallel, this top, prismatic protrusions portion 8 is arc surface 81, and the radian of this arc surface is 25 °.
Inhale ripple layer by soft magnetic powder and macromolecule matrix is mixing forms, the electromagnetic wave discharged by electronic product converts the energy of heat energy or other form to reach the effect reducing electromagnetic radiation in the mode such as electrical loss, magnetic loss, within the scope of 2 ~ 18GHz, there is good absorption, the reflection of electromagnetic wave resorption ripple layer of incidence can be formed re-absorption effect.
Above-mentioned PET insulating barrier 1 thickness is 6 microns; Described first adhesive layer 5, second adhesive layer 6 and the 3rd adhesive layer 7 are esters of acrylic acid adhesive layer.
Embodiment 2: a kind of broadband multipurpose inhales ripple film, comprises PET insulating barrier 1, complex metal layer 2, inhales ripple layer 3 and separated type material layer 4; The first adhesive layer 5 is provided with between PET insulating barrier 1 and complex metal layer 2, the second adhesive layer 6 is provided with between described complex metal layer 2 and suction ripple layer 3, the 3rd adhesive layer 7 is provided with between described suction ripple layer 3 and separated type material layer 4, described complex metal layer 2 is superposed by layers of copper 21 and aluminium foil layer 22 and forms, the surface that described complex metal layer 2 contacts with suction ripple layer 3 is provided with several prismatic protrusions portions 8 arranged in parallel, this top, prismatic protrusions portion 8 is arc surface 81, and the radian of this arc surface is 30 °.
Inhale ripple layer by soft magnetic powder and macromolecule matrix is mixing forms, the electromagnetic wave discharged by electronic product converts the energy of heat energy or other form to reach the effect reducing electromagnetic radiation in the mode such as electrical loss, magnetic loss, within the scope of 2 ~ 18GHz, there is good absorption, the reflection of electromagnetic wave resorption ripple layer of incidence can be formed re-absorption effect.
Above-mentioned PET insulating barrier 1 thickness is 8 microns; Described first adhesive layer 5, second adhesive layer 6 and the 3rd adhesive layer 7 are 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 described second adhesive layer 7 is less than the 3rd adhesive layer 7.
Absorbing property adopts the arc method of testing of reflectivity to detect, and minimum reflectance is lower than-10dB.
When adopting above-mentioned broadband multipurpose to inhale ripple film, which raises the utilance of complex metal layer reflection of electromagnetic, the complex metal layer that forms is superposed and it has several prismatic protrusions portions by layers of copper and aluminium foil layer, re-absorption effect can be formed, significantly improve the absorbing property inhaling ripple film, simultaneously, due to electromagnetic wave absorption a large amount of in use, temperature can be caused to raise, this metal level with several prismatic protrusions portions, avoids the too concentrated of heat, is conducive to heat diffusion, also avoid, because temperature rise causes film to upwarp, improve the stability of properties of product; Secondly, its top, prismatic protrusions portion is arc surface, and the radian of this arc surface is 15 ° ~ 35 °, decreases the interference between light and light, further increases absorbing property; Again, the use of insulating barrier and PET film layer improves the intensity of material on the one hand, has also increased substantially the effect that its proof voltage punctures on the other hand.
Comparative example 1: a kind of broadband multipurpose inhales ripple film, comprises PET insulating barrier 1, complex metal layer 2, inhales ripple layer 3 and separated type material layer 4; The first adhesive layer 5 is provided with between PET insulating barrier 1 and complex metal layer 2, the second adhesive layer 6 is provided with between described complex metal layer 2 and suction ripple layer 3, be provided with the 3rd adhesive layer 7 between described suction ripple layer 3 and separated type material layer 4, described complex metal layer 2 is superposed by layers of copper 21 and aluminium foil layer 22 and forms.
Comparative example 2: a kind of broadband multipurpose inhales ripple film, comprises PET insulating barrier 1, metal copper layer, suction ripple layer 3 and separated type material layer 4; Be provided with the first adhesive layer 5 between PET insulating barrier 1 and metal copper layer, be provided with the second adhesive layer 6 between described metal copper layer and suction ripple layer 3, between described suction ripple layer 3 and separated type material layer 4, be provided with the 3rd adhesive layer 7.
Test performance: in 2GHZ-4GHZ frequency range, absorbing property is as follows:
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (4)
1. broadband multipurpose inhales a ripple film, it is characterized in that: comprise PET insulating barrier (1), complex metal layer (2), inhale ripple layer (3) and separated type material layer (4), the first adhesive layer (5) is provided with between PET insulating barrier (1) and complex metal layer (2), the second adhesive layer (6) is provided with between described complex metal layer (2) and suction ripple layer (3), the 3rd adhesive layer (7) is provided with between described suction ripple layer (3) and separated type material layer (4), described complex metal layer (2) is superposed by layers of copper (21) and aluminium foil layer (22) and forms, the surface that described complex metal layer (2) contacts with suction ripple layer (3) is provided with several prismatic protrusions portions (8) arranged in parallel, this prismatic protrusions portion (8) top is arc surface (81), the radian of this arc surface is 15 ° ~ 35 °.
2. broadband multipurpose according to claim 1 inhales ripple film, it is characterized in that: described PET insulating barrier (1) thickness is less than 10 microns.
3. broadband multipurpose according to claim 1 inhales ripple film, it is characterized in that: described first adhesive layer (5), the second adhesive layer (6) and the 3rd adhesive layer (7) are esters of acrylic acid adhesive layer.
4. broadband multipurpose according to claim 1 inhales ripple film, and it is characterized in that: the thickness of described first adhesive layer (5) is less than the thickness of the second adhesive layer (6), the thickness of described second adhesive layer (7) is less than the 3rd adhesive layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410445979.3A CN104302159A (en) | 2014-09-04 | 2014-09-04 | Wideband multi-use wave absorbing film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410445979.3A CN104302159A (en) | 2014-09-04 | 2014-09-04 | Wideband multi-use wave absorbing film |
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| CN104302159A true CN104302159A (en) | 2015-01-21 |
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| CN201410445979.3A Pending CN104302159A (en) | 2014-09-04 | 2014-09-04 | Wideband multi-use wave absorbing film |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893605A (en) * | 2015-05-21 | 2015-09-09 | 苏州斯迪克新材料科技股份有限公司 | Wave-absorbing plate for electromagnetic shielding |
| CN104893606A (en) * | 2015-05-21 | 2015-09-09 | 苏州斯迪克新材料科技股份有限公司 | Broadband wave-absorbing film |
| CN106281072A (en) * | 2015-05-21 | 2017-01-04 | 斯迪克新型材料（江苏）有限公司 | The pressure-sensitive pad pasting of anti-electromagnetic-radiation type |
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| CN203095967U (en) * | 2013-02-18 | 2013-07-31 | 苏州斯迪克新材料科技股份有限公司 | Adhering film applied to electronic products |
| CN203105050U (en) * | 2013-02-18 | 2013-07-31 | 苏州斯迪克新材料科技股份有限公司 | Wave absorbing patch for electronic product |
| CN103619154A (en) * | 2013-12-09 | 2014-03-05 | 保定乐凯新材料股份有限公司 | Electromagnetic protection film with efficient shielding and electromagnetism absorption function |
| CN103889197A (en) * | 2012-12-21 | 2014-06-25 | 财团法人工业技术研究院 | Shielding composite membrane |
| CN204560117U (en) * | 2014-09-04 | 2015-08-12 | 苏州斯迪克新材料科技股份有限公司 | Broadband multipurpose inhales ripple film |
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2014
- 2014-09-04 CN CN201410445979.3A patent/CN104302159A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103889197A (en) * | 2012-12-21 | 2014-06-25 | 财团法人工业技术研究院 | Shielding composite membrane |
| CN203095967U (en) * | 2013-02-18 | 2013-07-31 | 苏州斯迪克新材料科技股份有限公司 | Adhering film applied to electronic products |
| CN203105050U (en) * | 2013-02-18 | 2013-07-31 | 苏州斯迪克新材料科技股份有限公司 | Wave absorbing patch for electronic product |
| CN103619154A (en) * | 2013-12-09 | 2014-03-05 | 保定乐凯新材料股份有限公司 | Electromagnetic protection film with efficient shielding and electromagnetism absorption function |
| CN204560117U (en) * | 2014-09-04 | 2015-08-12 | 苏州斯迪克新材料科技股份有限公司 | Broadband multipurpose inhales ripple film |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893605A (en) * | 2015-05-21 | 2015-09-09 | 苏州斯迪克新材料科技股份有限公司 | Wave-absorbing plate for electromagnetic shielding |
| CN104893606A (en) * | 2015-05-21 | 2015-09-09 | 苏州斯迪克新材料科技股份有限公司 | Broadband wave-absorbing film |
| CN106281072A (en) * | 2015-05-21 | 2017-01-04 | 斯迪克新型材料（江苏）有限公司 | The pressure-sensitive pad pasting of anti-electromagnetic-radiation type |
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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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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150121 |