〇Mitsuhiro Goto1,2, Keiji Ogawa3, Hirotaka Tanabe2, Takuto Yamaguchi4, Hideki Hagino4
(1.Fuji High Frequency Co.,LTD., 2.The University of Shiga Prefecture, 3.Ryukoku University, 4.Osaka Research Institute of Industrial Science and Technology)
Keywords:Surface treatment、Laser、Heat treatment、Hardening、