Patent ID: 8298365

Claim:
A sticking method for sticking a support plate onto a substrate, the method comprising: a step of sticking the support plate onto the substrate via a first adhesive layer provided on the substrate, a separation film layer provided on the first adhesive layer, and a second adhesive layer provided on the separation film layer, wherein the first adhesive layer and the second adhesive layer dissolve in a solvent and the second adhesive layer is higher in rate of dissolution in the solvent than the first adhesive layer, or wherein the second adhesive layer dissolves in a solvent different from a solvent in which the first adhesive layer dissolves, and wherein the separation film layer is formed from a resin selected from the group consisting of a polyethylene resin, a polyimide resin (PI), a polyamide resin, polyethylene terephthalate (polyester resin (PET)), polyphenylene sulfide, polyethylene naphthalate (PEN), polypropylene resin, polybutylene resin, nylon, and a polylactide resin.