Patent ID: 6634934
Filing Date: 2003-10-21
Classification: B24B

Abstract:
A cleaning method of a polishing tool for cleaning a rotatably held polishing tool having a polishing surface to be cleaned and an outer peripheral surface extending perpendicularly to the polishing surface, the cleaning method comprising:arranging with respect to the polishing tool a cleaning member having a first facing surface facing the polishing surface of said polishing tool to be cleaned forming a first clearance with and between the polishing surface and a second facing surface facing the outer peripheral surface of said polishing tool forming a second clearance with and between the outer peripheral surface, feeding a cleaning solution to the first clearance to form a first cleaning solution film between the first facing surface and the polishing surface and to the second clearance to form a second cleaning solution film between the second facing surface and the outer peripheral surface, and rotating the polishing tool to clean at least the polishing surface of said polishing tool.