▎ 摘 要
NOVELTY - Manufacture of graphene film involves forming graphene oxide film on substrate, mounting with chamber, injecting nitrogen gas and carbon gas phase with chamber, irradiating oxidation laser and reducing to the graphene film. USE - Manufacture of graphene film used for manufacturing touch device (claimed). ADVANTAGE - The graphene film is efficiently manufactured. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of touch device.