▎ 摘 要
NOVELTY - Graphene is formed in side of a catalyst metal. A supporter is formed in a side of graphene in which the catalyst metal is not arranged. A portion of catalyst metal is removed by the wet etching using etchant (e1). The remaining portion of catalyst metal is removed by wet etching using etchant (e2), and the graphene is exposed. The exposed graphene is transferred to a target film. USE - Method used for attaining graphene.