About HARA KEISUKE
About ISOBE HIROMI
About cutting tool
About ultrasonic vibration
About cutting(machining)
About ultrasonic machining
About principle
About chip(cutting)
About refinement
About characteristic
About surface quality
About microscopy
About drilling(machining)
About surface integrity
About ultrasonic cutting
About emissions characteristics
About refinement
About Special machining
About Other cutting
About 穴あけ加工
About 切りくず処理
About 工具
About 動向
About 超音波切削
About 切りくず
About 分断
About 微細化