▎ 摘　　要

NOVELTY - A graphene-manufacturing device comprises heating unit (a) in which catalyst substrate is annealed, a gas-supply unit for forming gas atmosphere having molecular weight which is more than the atomic weight of carbon, a deposition chamber, a hydrocarbon gas-supply unit and a nozzle. USE - Graphene-manufacturing device. ADVANTAGE - The device efficiently and economically provides graphene. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of graphene.