Polishing pad reconditioning via polishing pad material as conditioner

摘要

A method of reconditioning a polishing pad using a chemical-mechanical polishing apparatus is disclosed, wherein the polishing pad contacts a workpiece in the presence of a slurry to perform chemical-mechanical polishing on the workpiece. The method comprises contacting the polishing pad with a reconditioning pad. The reconditioning pad is made of a polishing pad material similar to that of the polishing pad.