1. National Cheng Kung University,Department of Electrical Engineering,Tainan,Taiwan
2. National Sun Yat-sen University,Department of Electrical Engineering,Kaohsiung,Taiwan
3. Taiwan Semiconductor Research Institute,Tainan,Taiwan
4. National Yang Ming Chiao Tung University,Advanced Semiconductor Institute,Hsinchu,Taiwan
5. Taiwan Semiconductor Manufacturing Company,Hsinchu,Taiwan