[B-6-2] Study on High-efficiency and High-quality Micro-welding of Copper by Superposition of 532 nm and 1064 nm Lasers 〇Shota Kawasaki1、Yasuhiro Okamoto1、Martin Ruthandi Maina1、Akira Okada1、Shin-Ichi Nakashiba2、Norio Nishi2 (1.Okayama University、2.Kataoka Corporation) キーワード:Processing、Laser、Copper、532 nm、1064 nm