Affiliation: | (1) Department of Materials Science and Engineering, Osaka University, 2-1 Yamadaoka, 565 Suita, Osaka, Japan;(2) Welding Research Institute, Osaka University, 2-1 Yamadaoka, 565 Suita, Osaka, Japan;(3) Department of Electrical Engineering, Osaka University, 2-1 Yamadaoka, 565 Suita, Osaka, Japan;(4) Dental School, Osaka University, 2-1 Yamadaoka, 565 Suita, Osaka, Japan |