▎ 摘　　要

NOVELTY - The device has a pre heater (21) which is arranged on an air supply pipe (11). A first air supply branch (13) is connected to a first air hole (5). A second air supply branch (14) is connected to a second air hole. The second air supply branch is made to run through a first vacuum chamber. The second air supply branch is contacted with a heating rod. The second air supply branch is connected with several heat conducting rods. A top end of the heat conducting rod is provided with a telescopic end and the bottom end is set with a heat conducting plate. USE - Graphene film deposition device. ADVANTAGE - The product yield of graphene is improved. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for depositing graphene film. DESCRIPTION OF DRAWING(S) - The drawing shows a cross sectional view of the graphene film deposition device. Air hole (5) Air supply pipe (11) Air supply branches (13,14) Pre-heater (21) Circular bead (28)