1. Nippon Sheet Glass Co. Ltd. 1‐7, 2‐Chome, Kaigan, Minato‐Ku Tokyo, 105‐8552 (Japan)
2. Department of Applied Chemistry Faculty of Science and Engineering Kinki University 3‐4‐1, Kowakae, Higashi‐Osaka, Osaka 577‐8502 (Japan)
3. Molecular Engineering Institute Kinki University 3‐4‐1, Kowakae, Higashi‐Osaka, Osaka 577‐8502 (Japan) Fax: (+81) 6‐6721‐3384
4. National Institute of Advanced Industrial Science and Technology Midorigaoka1‐8‐31, Ikeda, Osaka 563‐8577 (Japan)