▎ 摘　　要

(CN204968326-U) NOVELTY - One of natural graphite/copper composite heat sink, relating to heat abstractor and electromagnetic shielding area of heating component of electric products. One of natural graphite/copper composite radiating fin comprises copper foil layer and surface of the upper copper foil layer graphite layer under the two side of copper foil layer comprises copper substrate of the copper substrate and the following roughening layer is double face, roughening layer uniformly distributed with tumor shape copper grain structure, roughened by nodule copper grain structure and graphene layer with each other. This new utility model is one of natural graphite/copper composite heat sink using graphite layer and copper foil layer by copper grain structure mutually engaged nodule and method, make the conductive Z-axis direction increase greatly, and has the excellent electromagnetic shielding effect, stretch can bent for 180 degree, copper foil and graphite is surface heat retardant less, increase of heat conductivity.