Copper/graphene composite multi-layer heat dissipation film
A graphene composite and graphene layer technology, applied in cooling/ventilation/heating transformation, electrolytic inorganic material coating, modification through conduction heat transfer, etc., can solve the problems of limited heat dissipation direction and low heat dissipation efficiency of heat dissipation film, etc. Achieve the effect of improved heat dissipation efficiency and tight connection
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[0024] The specific embodiments of the present invention will now be described in detail with reference to the drawings.
[0025] The copper / graphene composite multilayer heat dissipation film of the present invention is mainly formed by alternately superposing graphene layers 1 and copper layers 2. Wherein, the number of layers of the graphene layer and the copper layer can be set according to the requirements of large-area industrial use of electronic equipment. In the present invention, the surface layer of the copper / graphene composite multilayer heat dissipation film is preferably a graphene layer , The middle layer is formed by alternately superimposing a copper layer and a graphene layer, and its total thickness is 10-50μm.
[0026] The preparation method of the copper / graphene composite multilayer heat dissipation film of the present invention mainly includes the following steps: step one, take a piece of metal substrate, chemically degreasing; step two, deposit a layer of ...
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