Patent ID: 7083506

Claim:
A polishing apparatus comprising: a polishing table having a polishing surface thereon; a top ring for pressing a workpiece to be polished against said polishing surface; and a dresser for dressing said polishing surface on the polishing table, said dresser including (i) a dressing element provided on a surface of said dresser for dressing said polishing surface by sliding contact with said polishing surface, and (ii) an ejection nozzle provided on the surface of said dresser for ejecting a mixture, of a fluid supplied from a fluid source and a gas supplied from a gas source, toward said polishing surface, said ejection nozzle being directed toward an outer circumferential edge of said dressing element so as to eject the mixture of the fluid and the gas toward the outer circumferential edge of said dressing element, wherein said dressing element is annularly disposed on the surface of said dresser, and said ejection nozzle is disposed in an area surrounded by said dressing element.