About KAWASAKI SHOTA
About HAMADA KAZUKI
About OKAMOTO YASUHIRO
About OKADA AKIRA
About NISHI NORIO
About 片岡製作所
About SAKAGAWA TOMOKAZU
About 片岡製作所
About 日本機械学会生産加工・工作機械部門講演会(CD-ROM)
About infrared laser
About laser welding
About copper
About numerical aperture
About surface roughness
About near-infrared laser
About Welding techniques
About Special machining
About 近赤外レーザ
About 銅
About 微細
About 溶接
About 開口数
About 表面粗さ