▎ 摘　　要

NOVELTY - Preparing different graphene pattern strain sensor by laser method comprises preparing flexible transparent rubber substrate, taking multiple chemical vapor deposition growth of graphene and placing the copper foil sample of the graphene on the surface of the copper etchant to remove the copper foil, etching the copper completely, removing the copper foil, transferring the graphene and tile preparation on flexible substrate, transferring the graphene and tiling to the graphene on the flexible substrate with the ultrashort pulsed laser beam and irradiating. USE - The method is useful for preparing different graphene pattern strain sensor by laser method (claimed). ADVANTAGE - The method: utilizes the ultra-high energy characteristic of ultra-short pulse laser; carries out the ablation of graphene by cold processing; removes material without causing heat, so that high quality graphene boundaries can be obtained; can design arbitrary pattern by focused laser beam with a high-speed galvanometer scanning motion which is a soft and flexible approach. DETAILED DESCRIPTION - Preparing different graphene pattern strain sensor by laser method comprises (a) preparing flexible transparent rubber substrate by mixing the basic components of the transparent rubber and the curing agent and curing, to obtain a rectangular substrate having a thickness of 2-10 mm, (b) taking multiple chemical vapor deposition growth of graphene and placing the copper foil sample of the graphene on the surface of the copper etchant to remove the copper foil, etching the copper completely, removing the copper foil, transferring graphene to the deionized water with the filter paper, soaking for 50-70 minutes, transferring the processed graphene to fresh deionized water, soaking for 50-70 minutes, transferring the graphene and tile preparation on flexible substrate, (c) transferring the graphene and tiling to the graphene on the flexible substrate with the ultrashort pulsed laser beam, where the laser beam determines its preset path based on the array pattern of graphene preset, quickly moving the laser beam based on the preset path, irradiating the graphene on the rectangular substrate by a laser beam, to form a patterned graphene on the graphene surface of a flexible transparent substrate, (d) brushing a layer of silver glue on the two parallel sides of the rectangular base patterned graphene, staining the silver line on both sides of the graphene silver glue, fixing the silver line, brushing on the top of a silver layer for silver wire package and assembling into a strain sensor.