POLISHING MACHINE FOR POLISHING DIAMOND MATERIAL AND METHOD OF POLISHING DIAMOND MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide a polishing machine for a diamond material, which can polish a diamond at high speed with high surface precision.;SOLUTION: In the polishing machine to be used to polish a diamond, a polishing surface of the polishing machine, which abuts on the diamond, is formed of a material including an oxide at 50 vol% or more and having indentation hardness of 500 Kfg/cm² or more. As the oxide, an oxide of one or more elements selected from a group of Si, Al, Ti, Cr and Zr is desirable.;COPYRIGHT: (C)2013,JPO&INPIT