Properties of Transparent Conductive Ga-Doped ZnO Films on Glass, PMMA and COP Substrates. - Tetsuya Yamamoto; Aki Miyake; Takahiro Yamada; Toshiyuki Morizane; Tetsuhiro Arimitsu; Hisao Makino; Naoki Yamamoto (IEICE Trans. Electron., 2008)