▎ 摘　　要

NOVELTY - The heat sink has a graphene film layer (1), and a copper heat sink (2). The graphene film layer is coated with a copper heat sink formed graphene. The graphene film layer is prepared on the copper heat sink surface of the copper heat sink. The graphene film layer can be single-layer graphene, oxidized graphene, multilayer graphene, graphene film layer prepared on the copper heat sink surface coated with a copper heat sink. USE - Heat sink for semiconductor laser. ADVANTAGE - The cost is low. The radiating performance is stable. The service life is long. The semiconductor laser performance is improved. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic structural diagram of the heat sink for semiconductor laser. Graphene film layer (1) Copper heat sink (2)