Patent ID: 6821189
Filing Date: 2004-11-23
Classification: B24B,B24D

Abstract:
A method of mechanically treating a substrate, the method comprising the steps of:(a) providing a substrate for mechanical treatment, the substrate selected from the group consisting of a rigid disk or a rigid disk substrate; (b) providing an abrasive article that is free of abrasive particles, the abrasive article comprising: a backing having a first major surface and a second major surface; and an abrasive coating consisting essentially of: a hardened binder coating having a first surface adhered to the backing and a second structured surface comprising a plurality of precisely-shaped protrusions; and a diamond-like carbon coating superposed and adhered to at least a portion of the structured surface of the hardened binder coating; (c) contacting the abrasive article and substrate at a pressure; and (d) moving at least one of the substrate and the abrasive article relative to the other to provide the mechanical treatment.