CN204392766U - There is the suction ripple adhesive tape of heat sinking function - Google Patents
There is the suction ripple adhesive tape of heat sinking function Download PDFInfo
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- CN204392766U CN204392766U CN201420796322.7U CN201420796322U CN204392766U CN 204392766 U CN204392766 U CN 204392766U CN 201420796322 U CN201420796322 U CN 201420796322U CN 204392766 U CN204392766 U CN 204392766U
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Abstract
The utility model discloses a kind of suction ripple adhesive tape with heat sinking function, comprises PET insulating barrier, metal level, suction ripple layer and separated type material layer; Described suction ripple layer is by ferrite powder and macromolecule matrix is mixing forms, the first adhesive layer is provided with between PET insulating barrier and metal level, the second adhesive layer is provided with between described metal level and suction ripple layer, the first acryl glue adhesion coating, graphite radiating layer, the second acryl glue adhesion coating is disposed with between described suction ripple layer and separated type material layer, the surface that described metal level contacts with suction ripple layer has several high lug bosses, low lug boss, the height of described high lug boss is greater than the height of low lug boss, and high lug boss, low lug boss are alternately arranged.The suction ripple adhesive tape that the utility model has a heat sinking function greatly reduces the interference of electromagnetic field, substantially increase the uniformity of absorbing property and electromagnetic field further, strong evacuation absorbs owing to inhaling ripple layer the heat that electromagnetic field causes in a large number, thus ensure that the reliability of the performance of product, and the defect such as coming unstuck of preventing adhesive layer from high temperature causing.
Description
Technical field
The utility model belongs to technical field of electronic materials, particularly relates to a kind of suction ripple adhesive tape with heat sinking function.
Background technology
At present, as shielding material widely used metal sheet or net heavier, have in the housing of the equipment of being configured in and need cost labour and the problem of time.And there is electro-magnetic wave absorption ability and there is large anisotropic tendency in the sheet of metal or net, the tendency that namely electro-magnetic wave absorption ability significantly declines when electromagnetic incidence angle increases.The electromagnetic wave that electronic product discharges, brings electromagnetic interference can to other electronic equipment of surrounding, make its operation irregularity; Also can work the mischief to health simultaneously.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, the patch-type electromagnetic wave absorbent material design and develop that thickness is thin, quality is light, being applicable to small space, becomes the direction that those skilled in the art make great efforts.
Summary of the invention
The utility model provides a kind of suction ripple adhesive tape with heat sinking function, this suction ripple adhesive tape with heat sinking function greatly reduces the interference of electromagnetic field, substantially increase the uniformity of absorbing property and electromagnetic field further, strong evacuation absorbs owing to inhaling ripple layer the heat that electromagnetic field causes in a large number, thus ensure that the reliability of the performance of product, and the defect such as coming unstuck of preventing adhesive layer from high temperature causing.
For achieving the above object, the technical solution adopted in the utility model is: a kind of suction ripple adhesive tape with heat sinking function, comprises PET insulating barrier, metal level, suction ripple layer and separated type material layer; Described suction ripple layer is by ferrite powder and macromolecule matrix is mixing forms, the first adhesive layer is provided with between PET insulating barrier and metal level, the second adhesive layer is provided with between described metal level and suction ripple layer, the first acryl glue adhesion coating, graphite radiating layer, the second acryl glue adhesion coating is disposed with between described suction ripple layer and separated type material layer, the surface that described metal level contacts with suction ripple layer has several high lug bosses, low lug boss, the height of described high lug boss is greater than the height of low lug boss, and high lug boss, low lug boss replace continuous arrangement.
The technical scheme improved further in technique scheme is as follows:
1, in such scheme, the height of described high lug boss and the height aspect ratio of low lug boss are 1:0.6 ~ 0.4.
2, in such scheme, the height of described high lug boss is 20 ~ 30 μm, and the height of described low lug boss is 12 ~ 15 μm.
3, in such scheme, the thickness of described first adhesive layer is less than the thickness of the second adhesive layer.
Because technique scheme is used, the utility model compared with prior art has following advantages:
The utility model has the suction ripple adhesive tape of heat sinking function, which raises the utilance of metal layer reflection electromagnetic field, and arranging of metal level can form re-absorption effect, significantly improves the absorbing property inhaling ripple paster; Meanwhile, 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, several high lug bosses arranged in parallel and low lug boss, high lug boss and low lug boss are alternately arranged continuously, greatly reduce the interference of electromagnetic field, substantially increase the uniformity of absorbing property and electromagnetic field further; And be disposed with the first acryl glue adhesion coating, graphite radiating layer, the second acryl glue adhesion coating between suction ripple layer and separated type material layer, strong evacuation absorbs owing to inhaling ripple layer the heat that electromagnetic field causes in a large number, thus ensure that the reliability of the performance of product, and the defect such as coming unstuck of preventing adhesive layer from high temperature causing.
Accompanying drawing explanation
Accompanying drawing 1 has the suction ripple adhesive tape structure schematic diagram of heat sinking function for the utility model.
In above accompanying drawing: 1, PET insulating barrier; 2, metal level; 3, ripple layer is inhaled; 4, separated type material layer; 5, the first adhesive layer; 6, the second adhesive layer; 7, the first acryl glue adhesion coating; 81, high lug boss; 82, low lug boss; 9, graphite radiating layer; 10, the second acryl glue adhesion coating.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment 1: a kind of suction ripple adhesive tape with heat sinking function, comprises PET insulating barrier 1, metal level 2, inhales ripple layer 3 and separated type material layer 4, described suction ripple layer 3 is by ferrite powder and macromolecule matrix is mixing forms, the first adhesive layer 5 is provided with between PET insulating barrier 1 and metal level 2, the second adhesive layer 6 is provided with between described metal level 2 and suction ripple layer 3, the first acryl glue adhesion coating 7 is disposed with between described suction ripple layer 3 and separated type material layer 4, graphite radiating layer 9, second acryl glue adhesion coating 10, the surface that described metal level 2 contacts with suction ripple layer 3 has several high lug bosses 81, low lug boss 82, the height of described high lug boss 81 is greater than the height of low lug boss 82, high lug boss 81, low lug boss 82 is alternately arranged.
The height of above-mentioned high lug boss 81 is 25 μm, and the height of described low lug boss 82 is 12 μm.The thickness of described first adhesive layer 5 is less than the thickness of the second adhesive layer 6.
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 is esters of acrylic acid adhesive layer.
Embodiment 2: a kind of suction ripple adhesive tape with heat sinking function, comprises PET insulating barrier 1, metal level 2, inhales ripple layer 3 and separated type material layer 4, described suction ripple layer 3 is by ferrite powder and macromolecule matrix is mixing forms, the first adhesive layer 5 is provided with between PET insulating barrier 1 and metal level 2, the second adhesive layer 6 is provided with between described metal level 2 and suction ripple layer 3, the first acryl glue adhesion coating 7 is disposed with between described suction ripple layer 3 and separated type material layer 4, graphite radiating layer 9, second acryl glue adhesion coating 10, the surface that described metal level 2 contacts with suction ripple layer 3 has several high lug bosses 81, low lug boss 82, the height of described high lug boss 81 is greater than the height of low lug boss 82, high lug boss 81, low lug boss 82 is alternately arranged.
The height of above-mentioned high lug boss 81 is 26 μm, and the height of described low lug boss 82 is 13 μm.The thickness of described first adhesive layer 5 is less than the thickness of the second adhesive layer 6.
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.
Adopt above-mentioned when having the suction ripple adhesive tape of heat sinking function, which raises the utilance of metal layer reflection electromagnetic field, arranging of metal level can form re-absorption effect, significantly improves the absorbing property inhaling ripple paster; Meanwhile, 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, several high lug bosses arranged in parallel and low lug boss, high lug boss and low lug boss are alternately arranged continuously, greatly reduce the interference of electromagnetic field, substantially increase the uniformity of absorbing property and electromagnetic field further; And be disposed with the first acryl glue adhesion coating, graphite radiating layer, the second acryl glue adhesion coating between suction ripple layer and separated type material layer, strong evacuation absorbs owing to inhaling ripple layer the heat that electromagnetic field causes in a large number, thus ensure that the reliability of the performance of product, and the defect such as coming unstuck of preventing adhesive layer from high temperature causing.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection range of the present utility model.
Claims (4)
1. there is a suction ripple adhesive tape for heat sinking function, it is characterized in that: comprise PET insulating barrier (1), metal level (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 metal level (2), the second adhesive layer (6) is provided with between described metal level (2) and suction ripple layer (3), the first acryl glue adhesion coating (7) is disposed with between described suction ripple layer (3) and separated type material layer (4), graphite radiating layer (9), second acryl glue adhesion coating (10), the surface that described metal level (2) contacts with suction ripple layer (3) has several high lug bosses (81), low lug boss (82), the height of described high lug boss (81) is greater than the height of low lug boss (82), high lug boss (81), low lug boss (82) is continuous arrangement alternately.
2. suction ripple adhesive tape according to claim 1, is characterized in that: the height of described high lug boss (81) and the height aspect ratio of low lug boss (82) are 1:0.6 ~ 0.4.
3. suction ripple adhesive tape according to claim 1 and 2, is characterized in that: the height of described high lug boss (81) is 20 ~ 30 μm, and the height of described low lug boss (82) is 12 ~ 15 μm.
4. the suction ripple adhesive tape with heat sinking function according to claim 1, is characterized in that: the thickness of described first adhesive layer (5) is less than the thickness of the second adhesive layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420796322.7U CN204392766U (en) | 2014-12-15 | 2014-12-15 | There is the suction ripple adhesive tape of heat sinking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420796322.7U CN204392766U (en) | 2014-12-15 | 2014-12-15 | There is the suction ripple adhesive tape of heat sinking function |
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| Publication Number | Publication Date |
|---|---|
| CN204392766U true CN204392766U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420796322.7U Active CN204392766U (en) | 2014-12-15 | 2014-12-15 | There is the suction ripple adhesive tape of heat sinking function |
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| Country | Link |
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| CN (1) | CN204392766U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI671002B (en) * | 2017-05-04 | 2019-09-01 | 志寶富生物科技有限公司 | heat sink |
| CN112351575A (en) * | 2019-12-30 | 2021-02-09 | 广州方邦电子股份有限公司 | Electromagnetic shielding film, circuit board and preparation method of electromagnetic shielding film |
| CN112351665A (en) * | 2019-12-30 | 2021-02-09 | 广州方邦电子股份有限公司 | Electromagnetic shielding film, circuit board and preparation method of electromagnetic shielding film |
-
2014
- 2014-12-15 CN CN201420796322.7U patent/CN204392766U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI671002B (en) * | 2017-05-04 | 2019-09-01 | 志寶富生物科技有限公司 | heat sink |
| CN112351575A (en) * | 2019-12-30 | 2021-02-09 | 广州方邦电子股份有限公司 | Electromagnetic shielding film, circuit board and preparation method of electromagnetic shielding film |
| CN112351665A (en) * | 2019-12-30 | 2021-02-09 | 广州方邦电子股份有限公司 | Electromagnetic shielding film, circuit board and preparation method of electromagnetic shielding film |
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