[B-4-1] Basic Study on Polishing Process of Nonwoven Nanofiber Pad with a Ball-Nose Tool 〇Ning Yu1, Wei Wu2, Toshiki Hirogaki1, Eiichi Aoyama1, Hiroyoshi Sota2 (1.Doshisha University, 2.M-TechX Inc.) Keywords:Abrasives、Polishing、Buffing process