9:30 AM - 11:30 AM [10a-PA3-7] Electrical characteristic of ZnO-FET with piezoelectric polymer film P(VDF-TrFE) for gate insulator evaluated before and after heat treatment of P(VDF-TrFE) film 〇Takuya Okayama1, Shusaku Matsumoto1, Akio Furukawa1 (1.Tokyo Univ.of Science)