▎ 摘　　要

NOVELTY - Biochip based on silicon carbide substrate, comprises a graphene film (1), a silicon carbide substrate (2) and a biochip unit (3). The graphene film is attached to the substrate of the silicon carbide substrate, and the biochip unit is integrated on the graphene film. USE - A biochip based on silicon carbide substrate. ADVANTAGE - The preparation method has smart preparation steps, simple preparation technique and can improve the production efficiency. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparing biochip based on silicon carbide substrate, which involves: (a) adhering the graphene film on the substrate of the silicon carbide substrate; (b) using cutting, grinding, and polishing processes to process the silicon carbide substrate graphene film on the micro-flow channel; (c) fixing a gene probe and a chemical modification unit on the micro-flow channel processed in the step (b); and (d) using cutting, grinding, and polishing processes to process graphene film on the biological chip unit. DESCRIPTION OF DRAWING(S) - The drawing shows a structural schematic view of biochip based on silicon carbide substrate. Graphene film (1) Silicon carbide substrate (2) Biochip unit (3) Biological chip system (3-1) Micro-pump (3-2)