1. Hashimoto Polymer Phasing Project, ERATO, Japan Science and Technology Corporation, 15 Morimoto, Shimogamo, Sakyo, Kyoto 606-0805, Japan, Central Laboratory, Rengo Company, Ltd., 186-1-4, Ohhiraki, Fukushima, Osaka 553-0007, Japan, and Graduate School of Engineering, Kyoto University, Kyoto 606-8501, Japan