*Shunsuke Fujii¹, Naoyuki Nakamura¹, Nozomi Hirayama¹, Tomotaka Katsura¹, Toshio Otsu², Hiroki Tanaka², Kenta Kohno², Yosuke Orii², Yusuke Mori³, Masashi Yoshimura⁴, Junichi Nishimae¹ (1. Mitsubishi Electric Corporation, 2. Spectronix Corporation, 3. Graduate School of Engineering, Osaka University, 4. Institute of Laser Engineering, Osaka University)

*Kazuhisa Tsujio¹, Yuta Mizuguchi², Masahiro Ihama², Keisuke Takenaka³, Manabu Heya¹, Yuji Sato³, Masahiro Tsukamoto³ (1. Faculty of Engineering, Osaka Sangyo University, 2. Graduate School of Engineering, Osaka University, 3. Joining and Welding Research Institute, Osaka University)

*Keisuke Nishida¹, Shumpei Fujio², Keisuke Takenaka³, Yuji Sato³, Masahiro Tsukamoto³ (1. Sch. of Eng., Osaka Univ., 2. Grad. Sch. of Eng., Osaka Univ., 3. JWRI, Osaka Univ.)

*Ryoga Ueda¹, Masahiro Ihama², Yuta Mizuguchi², Keisuke Takenaka³, Norio Yoshida³, Yuji Sato³, Minoru Yoshida¹, Masahiro Tsukamoto³ (1. Fac.of Sci.and Eng., Kindai Univ., 2. Grad.Sch.of Eng., Osaka Univ., 3. JWRI, Osaka Univ.)