1. Department of Materials Science and Engineering, National Chung Hsing University, Taichung 40227, Taiwan
2. Aluminum & Specialty Alloy Development Section, New Materials Research & Development Department, China Steel Corporation, Chung Kang Rd., Hsiao Kang, Kaohsiung 81233, Taiwan
3. Institute of Electronics, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
4. Department of Electronic Engineering, Lunghwa University of Science and Technology, Taoyuan 33306, Taiwan
5. Department of Applied Materials and Optoelectronic Engineering, National Chi Nan University, Puli, Nantou 54561, Taiwan