[B-4-6] Effects of ultrasonic vibration on slurryless electrochemical mechanical polishing of 4H-SiC (0001) surface 〇Xiaozhe Yang1、Xu Yang1、Kentaro Kawai1、Kenta Arima1、Kazuya Yamamura1 (1.Osaka University) キーワード:Polishing、slurryless、ultrasonic-assisted electrochemical mechanical polishing、ultrasonic vibration.