CN204634261U - Multiple field composite graphite fin - Google Patents
Multiple field composite graphite fin Download PDFInfo
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- CN204634261U CN204634261U CN201520404719.1U CN201520404719U CN204634261U CN 204634261 U CN204634261 U CN 204634261U CN 201520404719 U CN201520404719 U CN 201520404719U CN 204634261 U CN204634261 U CN 204634261U
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- graphite
- copper foil
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- graphite flake
- multiple field
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Abstract
The utility model relates to heat sink material technical field, refer in particular to multiple field composite graphite fin, include transparent protective film successively from top to bottom, Copper Foil, Multi-layer graphite sheet, release film, bond successively between each layer and be rolled into one laminated structure, Copper Foil, successively by hot melt two-sided glue bond between each layer graphite flake and release film, graphite flake is made up of flexible graphite sheet material, the utility model utilizes Multi-layer graphite sheet to superpose, increase the gross thickness of graphite flake, pyroconductivity is high, substantially increase radiating effect, and utilize graphite flake can realize the quick heat radiating of horizontal direction, utilize Copper Foil can realize the quick heat radiating of vertical direction, there is the well even high heat conduction and heat radiation performance along horizontal and vertical direction, further raising radiating effect, graphite flake is made up of flexible graphite sheet material, there is good heat conductivility, electrical property, bendable folding endurance and flexibility, can be applicable to and need bending, flexure needs again the occasion of heat conduction simultaneously.
Description
technical field:
The utility model relates to heat sink material technical field, refers in particular to multiple field composite graphite fin.
background technology:
At present, the developing direction of the end product such as smart mobile phone, panel computer comprises: 1. frequency is more and more higher; 2.CPU check figure in increase, from double-core to 4 cores, 8 cores; 3. screen is increasing; 4. thickness does thinner and thinner; Consumer's Experience is more and more important.All these trend, cause the heat radiation of these equipment more and more to become challenge.
Graphite radiating film on market, especially synthetic graphite are the main materials solving the heat radiation of this series products, although synthetic graphite conductive coefficient is very large, but because graphite flake is too thin, be generally all less than 0.04mm, radiating effect is bad, for the product that power is slightly large, radiating effect is inadequate.
utility model content:
The purpose of this utility model be exactly for prior art exist deficiency and a kind of multiple field composite graphite fin improving radiating effect is provided.
To achieve these goals; the technical solution adopted in the utility model is: multiple field composite graphite fin; include transparent protective film, Copper Foil, Multi-layer graphite sheet, release film from top to bottom successively; bond successively between each layer and be rolled into one laminated structure; Copper Foil, between each layer graphite flake and release film successively by hot melt two-sided glue bond, graphite flake is made up of flexible graphite sheet material.
The thickness of described transparent protective film is 0.01 ~ 0.02mm.
The thickness of described graphite flake is 0.03 ~ 0.04mm.
Described transparent protective film adopts the transparent PET dielectric film of single-sided back-adhesive.
The thickness of described Copper Foil is 0.04 ~ 0.06mm.
Black insulating film is provided with between described transparent protective film and Copper Foil.
The utility model beneficial effect is: the multiple field composite graphite fin that the utility model provides; include transparent protective film, Copper Foil, Multi-layer graphite sheet, release film from top to bottom successively; bond successively between each layer and be rolled into one laminated structure; Copper Foil, between each layer graphite flake and release film successively by hot melt two-sided glue bond; graphite flake is made up of flexible graphite sheet material, and the utility model has the following advantages compared with existing graphite heat radiation fin:
1, Multi-layer graphite sheet is utilized to superpose, increase the gross thickness of graphite flake, pyroconductivity is high, substantially increase radiating effect, and utilize graphite flake can realize the quick heat radiating of horizontal direction, utilize Copper Foil can realize the quick heat radiating of vertical direction, there is the well even high heat conduction and heat radiation performance along horizontal and vertical direction, improve radiating effect further.
2, utilize Copper Foil to have high heat transfer and capability of electromagnetic shielding, the mode of carrying out heat conducting and radiating and electromagnetic shielding to heating element reduces the injury of human body to external world.
3, graphite flake is made up of flexible graphite sheet material, has good heat conductivility, electrical property, bendable folding endurance and flexibility, can be applicable to the occasion needing to bend, flexure needs again heat conduction simultaneously; And the composite graphite fin made has bendable folding endurance and flexibility, with web-like supply, can adopt rolling equipment continuous prodution, substantially increase production efficiency.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of another execution mode of the utility model.
embodiment:
Below in conjunction with accompanying drawing, the utility model is further described; as shown in Figure 1; multiple field composite graphite fin of the present utility model; include transparent protective film 1, Copper Foil 2, Multi-layer graphite sheet 3, release film 4 from top to bottom successively; bond successively between each layer and be rolled into one laminated structure; Copper Foil 2, to be bonded by hot melt two-sided glue 5 successively between each layer graphite flake 3 and release film 4; graphite flake 3 is made up of flexible graphite sheet material, and graphite flake 3 can be 2 layers, 3 layers, 4 layers, 5 layers, 8 layers or other quantity.
The thickness of transparent protective film 1 is 0.01 ~ 0.02mm.The thickness of graphite flake 3 is 0.03 ~ 0.04mm.The thickness of Copper Foil 2 is 0.04 ~ 0.06mm.Transparent protective film 1 adopts the transparent PET dielectric film of single-sided back-adhesive.
The utility model utilizes Multi-layer graphite sheet 3 to superpose, increase the gross thickness of graphite flake 3, pyroconductivity is high, substantially increase radiating effect, and utilize graphite flake 3 can realize the quick heat radiating of horizontal direction, utilize Copper Foil 2 can realize the quick heat radiating of vertical direction, there is the well even high heat conduction and heat radiation performance along horizontal and vertical direction, improve radiating effect further.The utility model utilizes Copper Foil 2 to have high heat transfer and capability of electromagnetic shielding, and the mode of carrying out heat conducting and radiating and electromagnetic shielding to heating element reduces the injury of human body to external world.The utility model graphite flake 3 is made up of flexible graphite sheet material, has good heat conductivility, electrical property, bendable folding endurance and flexibility, can be applicable to the occasion needing to bend, flexure needs again heat conduction simultaneously; And the composite graphite fin made has bendable folding endurance and flexibility, with web-like supply, can adopt rolling equipment continuous prodution, substantially increase production efficiency.
As shown in Figure 2, as another execution mode of the present utility model, with a upper execution mode unlike, be provided with black insulating film 6 between transparent protective film 1 and Copper Foil 2, black insulating film 6 have insulation, protection and heat-absorbing action, improve radiating effect further.
Certainly, the above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.
Claims (6)
1. multiple field composite graphite fin; it is characterized in that: include transparent protective film (1), Copper Foil (2), Multi-layer graphite sheet (3), release film (4) from top to bottom successively; bond successively between each layer and be rolled into one laminated structure; Copper Foil (2), between each layer graphite flake (3) and release film (4) successively by hot melt two-sided glue (5) bonding, graphite flake (3) is made up of flexible graphite sheet material.
2. multiple field composite graphite fin according to claim 1, is characterized in that: the thickness of described transparent protective film (1) is 0.01 ~ 0.02mm.
3. multiple field composite graphite fin according to claim 1, is characterized in that: the thickness of described graphite flake (3) is 0.03 ~ 0.04mm.
4. multiple field composite graphite fin according to claim 1, is characterized in that: described transparent protective film (1) adopts the transparent PET dielectric film of single-sided back-adhesive.
5. multiple field composite graphite fin according to claim 1, is characterized in that: the thickness of described Copper Foil (2) is 0.04 ~ 0.06mm.
6. the multiple field composite graphite fin according to claim 1 ~ 5 any one, is characterized in that: be provided with black insulating film (6) between described transparent protective film (1) and Copper Foil (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520404719.1U CN204634261U (en) | 2015-06-12 | 2015-06-12 | Multiple field composite graphite fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520404719.1U CN204634261U (en) | 2015-06-12 | 2015-06-12 | Multiple field composite graphite fin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204634261U true CN204634261U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520404719.1U Active CN204634261U (en) | 2015-06-12 | 2015-06-12 | Multiple field composite graphite fin |
Country Status (1)
| Country | Link |
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| CN (1) | CN204634261U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101758A (en) * | 2015-09-14 | 2015-11-25 | 昆山奇华印刷科技有限公司 | Natural graphite/copper composite heat sink and fabrication method thereof |
| CN110592543A (en) * | 2019-09-04 | 2019-12-20 | 湖南省凯纳方科技有限公司 | Preparation method of heat-conducting copper foil graphite composite material |
| CN111019548A (en) * | 2019-12-31 | 2020-04-17 | 苏州佳值电子工业有限公司 | Banding design sectional type heat dissipation membrane |
| US10736237B2 (en) | 2016-09-13 | 2020-08-04 | Huawei Technologies Co., Ltd. | Heat sink, preparation method therefor, and communications device |
| CN111587210A (en) * | 2017-12-29 | 2020-08-25 | 空中客车防务和空间公司 | High conductivity heat connector |
| CN114675475A (en) * | 2022-02-25 | 2022-06-28 | 歌尔光学科技有限公司 | Optical machine plate and projection optical machine |
-
2015
- 2015-06-12 CN CN201520404719.1U patent/CN204634261U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101758A (en) * | 2015-09-14 | 2015-11-25 | 昆山奇华印刷科技有限公司 | Natural graphite/copper composite heat sink and fabrication method thereof |
| US10736237B2 (en) | 2016-09-13 | 2020-08-04 | Huawei Technologies Co., Ltd. | Heat sink, preparation method therefor, and communications device |
| CN111587210A (en) * | 2017-12-29 | 2020-08-25 | 空中客车防务和空间公司 | High conductivity heat connector |
| CN110592543A (en) * | 2019-09-04 | 2019-12-20 | 湖南省凯纳方科技有限公司 | Preparation method of heat-conducting copper foil graphite composite material |
| CN111019548A (en) * | 2019-12-31 | 2020-04-17 | 苏州佳值电子工业有限公司 | Banding design sectional type heat dissipation membrane |
| CN114675475A (en) * | 2022-02-25 | 2022-06-28 | 歌尔光学科技有限公司 | Optical machine plate and projection optical machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523000 Guangdong city of Dongguan province Zhenjiang Qishi village Jin Lei Industrial Park 1 Patentee after: Guangdong Quanxin materials Limited by Share Ltd Address before: 523000 Guangdong city of Dongguan province Zhenjiang Qishi village Jin Lei Industrial Park 1 Patentee before: DONGGUAN SUQUN INDUSTRIAL CO., LTD. |