CN210012797U - Can paste fixed heat dissipation graphite flake - Google Patents
Can paste fixed heat dissipation graphite flake Download PDFInfo
- Publication number
- CN210012797U CN210012797U CN201920394698.8U CN201920394698U CN210012797U CN 210012797 U CN210012797 U CN 210012797U CN 201920394698 U CN201920394698 U CN 201920394698U CN 210012797 U CN210012797 U CN 210012797U
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- graphite
- upper portion
- copper foil
- graphite flake
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Abstract
The utility model relates to a graphite flake field, more specifically say a can paste fixed heat dissipation graphite flake, including top layer, insulating layer, protection film, graphite layer, heat conduction copper foil layer, PET thin layer and gum layer, the top layer is on insulating layer upper portion, and the insulating layer is on protection film upper portion, and the protection film is on graphite layer upper portion, and the graphite layer is on heat conduction copper foil layer upper portion, and the heat conduction copper foil layer is on PET thin layer upper portion, and the PET thin layer is on gum layer upper portion, the utility model provides a pair of can paste fixed heat dissipation graphite flake and do into the colloid banding with the graphite flake, not only can strengthen the ductility of graphite flake, and is not fragile, conveniently.
Description
Technical Field
The utility model relates to a graphite flake field to more specifically relates to a can paste fixed heat dissipation graphite flake.
Background
The graphite flake is a brand new heat-conducting and heat-dissipating material, has unique crystal grain orientation, conducts heat uniformly along two directions, and the lamellar structure can be well adapted to any surface, shield heat sources and components and simultaneously improve the performance of consumer electronic products. The novel natural graphite solution has high heat dissipation efficiency, small occupied space and light weight, conducts heat uniformly along two directions, eliminates a 'hot spot' area, shields a heat source and components and improves the performance of consumer electronic products. The traditional graphite sheet is generally fixed on a product by using a bonding agent such as glue, so that the thickness of the graphite sheet is increased when the graphite sheet is connected, the graphite sheet is difficult to remove after the bonding agent is connected, and the graphite sheet is fragile, so that the graphite sheet is easy to damage.
SUMMERY OF THE UTILITY MODEL
The utility model provides a can paste fixed heat dissipation graphite flake, make into the colloid banding with the graphite flake, not only can strengthen the ductility of graphite flake, it is not fragile, conveniently take off moreover.
In order to solve the technical problem, the utility model relates to a graphite flake field, more specifically can paste fixed heat dissipation graphite flake, including top layer, insulating layer, protection film, graphite layer, heat conduction copper foil layer, PET thin layer and gum layer, the top layer is on insulating layer upper portion, and the insulating layer is on protection film upper portion, and the protection film is on graphite layer upper portion, and the graphite layer is on heat conduction copper foil layer upper portion, and the heat conduction copper foil layer is on PET thin layer upper portion, and the PET thin layer is on gum layer upper portion.
As a further technical optimization of the technical proposal, the utility model relates to a can paste fixed heat dissipation graphite flake surface layer material be nano particle material, thickness is 20 ~ 40 mu m.
As the further technical optimization of this technical scheme, the utility model relates to a can paste fixed heat dissipation graphite flake insulating layer material be phenolic resin, thickness is 10 ~ 30 mu m.
As the further technical optimization of this technical scheme, the utility model relates to a can paste fixed heat dissipation graphite flake protective film material be polypropylene, thickness is 10 ~ 20 mu m.
As the further technical optimization of this technical scheme, the utility model relates to a can paste fixed heat dissipation graphite flake the material on graphite layer be multilayer graphite flake, thickness is 20 ~ 50 mu m.
As the further technical optimization of this technical scheme, the utility model relates to a can paste fixed heat dissipation graphite flake heat conduction copper foil layer material be the copper foil, thickness is 40 ~ 60 mu m.
As the further technical optimization of the technical proposal, the utility model relates to a can paste fixed heat dissipation graphite flake the thickness of PET film layer be 20 ~ 40 mu m.
As the further technical optimization of this technical scheme, the utility model relates to a can paste fixed heat dissipation graphite flake the material of gum layer be hot melt pressure sensitive adhesive, thickness is 30 ~ 50 mu m.
The utility model relates to a can paste fixed heat dissipation graphite flake's technique compares with prior art, has following beneficial effect: make into the colloid strip with the graphite flake, not only can strengthen the ductility of graphite flake, it is not fragile, conveniently take off moreover.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of the graphite sheet capable of being stuck and fixed to dissipate heat.
In the figure: a surface layer 1; an insulating layer 2; a protective film 3; a graphite layer 4; a heat conductive copper foil layer 5; a PET film layer 6; a back glue layer 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
The present embodiment is described below with reference to fig. 1, and the present invention provides a fixable heat dissipation graphite sheet that can be pasted, including top layer 1, insulating layer 2, protection film 3, graphite layer 4, heat conduction copper foil layer 5, PET film layer 6 and gum layer 7, top layer 1 is on insulating layer 2, and insulating layer 2 is on protection film 3, and protection film 3 is on graphite layer 4 upper portion, and graphite layer 4 is on 5 upper portions of heat conduction copper foil layer, and heat conduction copper foil layer 5 is on 6 upper portions of PET film layer, and PET film layer 6 is on 7 upper portions of gum layer.
The material of the surface layer 1 is a nano particle material, the thickness is 20-40 mu m, preferably 30 mu m, and the wear resistance of the surface of the graphite sheet is improved;
the insulating layer 2 is made of phenolic resin, the thickness of the insulating layer is 10-30 micrometers, preferably 15 micrometers, and the insulating layer has good insulating property in electronic products and prevents electric shock;
the protective film 3 is made of polypropylene, the thickness of the protective film is 10-20 microns, the optimal thickness of the protective film is 16 microns, the graphite flake is a brittle material, and the protective film 3 prevents the material from falling off after the graphite flake is broken;
the graphite layer 4 is made of multilayer graphite flakes, the thickness of the graphite flakes is 20-50 microns, preferably 40 microns, the graphite flakes are made of flexible graphite flake materials, and the graphite flakes have good heat conducting performance, electrical performance, bendability and flexibility and can be applied to occasions needing bending and heat conduction; and the prepared multilayer graphite sheet has bendability and flexibility, can be supplied in a roll shape, can be continuously produced by adopting rolling equipment, and greatly improves the production efficiency.
The heat-conducting copper foil layer 5 is made of copper foil, the thickness is 40-60 microns, preferably 50 microns, and the heat-conducting and heat-dissipating coefficient of the graphite flake in the vertical direction can be effectively improved through the copper foil, so that the heat-dissipating graphite flake has good uniform high heat-conducting and heat-dissipating performance in the horizontal and vertical directions, and the heat-conducting and heat-dissipating effect of the heat-dissipating graphite flake is greatly improved;
the thickness of the PET film layer 6 is 20-40 mu m, preferably 30 mu m, and the adhesiveness of the adhesive tape is improved;
the back adhesive layer 7 is made of hot-melt pressure-sensitive adhesive, the thickness of the hot-melt pressure-sensitive adhesive is 30-50 micrometers, the preferred thickness is 40 micrometers, the hot-melt pressure-sensitive adhesive is a plastic adhesive, the cost is low, and the adhesiveness is strong;
the above-described embodiments are merely illustrative of the advantageous embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the structure concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art all fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (8)
1. The utility model provides a can paste fixed heat dissipation graphite flake which characterized in that: including being equipped with top layer (1), insulating layer (2), protection film (3), graphite layer (4), heat conduction copper foil layer (5), PET thin layer (6) and gum layer (7) in proper order, top layer (1) is on insulating layer (2) upper portion, and insulating layer (2) are on protection film (3) upper portion, and protection film (3) are on graphite layer (4) upper portion, and graphite layer (4) are on heat conduction copper foil layer (5) upper portion, and heat conduction copper foil layer (5) are on PET thin layer (6) upper portion, and PET thin layer (6) are on gum layer (7) upper portion.
2. The attachable and fixable heat dissipating graphite sheet according to claim 1, wherein: the surface layer (1) is made of nano particle materials, and the thickness of the surface layer is 20-40 mu m.
3. The attachable and fixable heat dissipating graphite sheet according to claim 1, wherein: the insulating layer (2) is made of phenolic resin and is 10-30 mu m thick.
4. The attachable and fixable heat dissipating graphite sheet according to claim 1, wherein: the protective film (3) is made of polypropylene and has a thickness of 10-20 microns.
5. The attachable and fixable heat dissipating graphite sheet according to claim 1, wherein: the graphite layer (4) is made of multilayer graphite sheets, and the thickness of the graphite sheets is 20-50 mu m.
6. The attachable and fixable heat dissipating graphite sheet according to claim 1, wherein: the heat-conducting copper foil layer (5) is made of copper foil and is 40-60 mu m thick.
7. The attachable and fixable heat dissipating graphite sheet according to claim 1, wherein: the thickness of the PET film layer (6) is 20-40 mu m.
8. The attachable and fixable heat dissipating graphite sheet according to claim 1, wherein: the back adhesive layer (7) is made of hot-melt pressure-sensitive adhesive and has the thickness of 30-50 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920394698.8U CN210012797U (en) | 2019-03-26 | 2019-03-26 | Can paste fixed heat dissipation graphite flake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920394698.8U CN210012797U (en) | 2019-03-26 | 2019-03-26 | Can paste fixed heat dissipation graphite flake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210012797U true CN210012797U (en) | 2020-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920394698.8U Active CN210012797U (en) | 2019-03-26 | 2019-03-26 | Can paste fixed heat dissipation graphite flake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210012797U (en) |
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2019
- 2019-03-26 CN CN201920394698.8U patent/CN210012797U/en active Active
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