1. Semiconductor Energy Laboratory Co., Ltd.,Atsugi,Kanagawa,Japan,243-0036
2. Fukuoka University,Fukuoka,Fukuoka,Japan,814-0180
3. School of Engineering, The University of Tokyo,D.lab,Tokyo,Japan,153-8505
4. Powerchip Semiconductor Manufacturing Corporation,Hsinchu,Taiwan, R.O.C.
5. National Taiwan University,Taipei,Taiwan, R.O.C.