Patent ID: 7232760

Claim:
The polishing apparatus comprising: a polishing tool having a polishing surface and having conductivity; a polishing tool rotating and holding means for rotating said polishing tool about a predetermined axis of rotation and holding the same; a rotating and holding means for holding a polishing object and rotating the same about a predetermined axis of rotation; a movement and positioning means for moving and positioning said polishing tool to a target position in a direction facing said polishing object; a relative moving means for making the polished surface of said polishing object and the polishing surface of said polishing tool relatively move along a predetermined plane; an electrolyte feeding means for feeding an electrolyte onto the polished surface of said polishing object; and an electrolytic current supplying means for supplying an electrolytic current flowing through said polishing tool through said electrolyte from said polished surface by using the polished surface of said polishing object as an anode and said polishing tool as a cathode.