Affiliation: | 1. Industrial Technology Research Institute of Okayama Prefecture, Haga, Okayama-shi,Okayama 701-1296, Japan 2. Hori Metal Finishing Industry Co.,Ltd., Abe, Ochiai-cho, Takahashi-shi, Okayama 716-0061, Japan 3. Graduate School of Okayama University of Science, Ridai-cho, Okayama-shi, Okayama 700-0005, Japan |