▎ 摘　　要

NOVELTY - Graphene grown on a substrate is irradiated with laser beam and heat treated to obtain graphene with improved property. USE - Method for improving graphene property. ADVANTAGE - The graphene with improved property is manufactured. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of the graphene, which involves laminating graphene on flexible printed circuit board and contacting with reaction gas containing carbon source and hydrogen.