Patent ID: 6660124
Filing Date: 2003-12-09
Classification: B08B,B24B

Abstract:
A polishing system comprising:a polishing unit for polishing a metal constituting a polished surface of a substrate, the polishing unit comprising an abrasive member having a polishing surface, wherein the polishing unit polishes the metal by supplying an abrasive solution functioning as a chemical abrasive to the polishing surface of the abrasive member while relatively sliding the polished surface of the substrate on the abrasive member; a chemical supply unit for supplying a chemical to the polishing surface of the abrasive member, the chemical being configured to dissolve a reaction product produced by a reaction of the metal with the abrasive solution; a polishing surface finishing unit for scraping the polishing surface of the abrasive member to recover polishing capacity of the abrasive member by supplying a finishing fluid to the polishing surface of the abrasive member while relatively sliding on the polishing surface of the abrasive member; and a cleaning unit for supplying a cleaning solution to the polishing surface of the abrasive member to remove the chemical and the reaction product dissolved by the chemical from the polishing surface.