▎ 摘　　要

NOVELTY - The utility model claims a diamond carbon film, comprising a metal layer, a diamond layer, graphene, diamond layer and metal layer in turn from up to down, graphene, single-layer diamond layer, a single layer of metal layer thickness ratio is 5-8: 1-2: 1-2. The utility model makes full use of graphene, diamond heat-conducting advantage, but also adopts metal material as substrate, and expands the heat application of graphene, the utility model can improve the heat conduction coefficient of the product, it can prepare products with different thicknesses, different coefficient of heat conduction, and can be applied to mobile products, the panel computer, television and other consumer electronic products.