▎ 摘　　要

NOVELTY - Multilayer film comprises a target substrate with a first surface that is provided with a patterned graphene film. A patterned substrate layer is attached to the first surface. A second surface of the graphene film is connected with a second surface. The second surface is connected to the second surface, and the substrate layer forms a growth substrate of the graphite film. The graphite layer is made of silicon carbide. USE - Multilayer film for use a graphene device. Uses include but are not limited to integrated circuit, field effect transistor, radio frequency device and sensor field. ADVANTAGE - The film: can improve the efficiency of the preparation process of the graphene-based device; can simplify the operation; and does not peeling off the growth substrate. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for : (1) An application of the multilayer film; and (2) A manufacturing method of multi-layer film. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic representation of the obtained layered product corresponding to each step in the process.