1. Choshu Industry Co., Ltd.; 3740, Shin-yamanoi Sanyo Onoda Yamaguchi 757-8511 Japan
2. Department of Materials Science and Engineering; Yamaguchi University; 2-16-1 Tokiwadai Ube Yamaguchi 755-8611 Japan
3. Crystal Solar Inc.; 3050 Coronado Drive Santa Clara CA 95054 USA