▎ 摘 要
NOVELTY - Controlling method of graphene thickness involves ion-implanting carbon atoms in the metal by ion implantation method, heating carbon atoms-implanted metal, cooling, and growing graphene on the metal. USE - Controlling method of graphene thickness used for manufacturing semiconductor device and light emitting device (claimed). DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) production of graphene; and (2) manufacture of semiconductor device or light emitting device.