Patent ID: 6722964
Filing Date: 2004-04-20
Classification: B24B,H01L

Abstract:
A polishing apparatus for polishing a workpiece, comprising:a surface polishing mechanism for polishing a surface of a workpiece, said surface polishing mechanism including a polishing table having a polishing surface, and a top ring for holding the workpiece and pressing the workpiece against said polishing surface of said polishing table; and an outer periphery polishing mechanism for polishing an outer peripheral portion of the workpiece after polishing the surface of the workpiece with said surface polishing mechanism, said outer periphery polishing mechanism including an outer periphery polishing surface and said top ring, wherein said outer periphery polishing surface exhibits an upwardly extending inclination with respect to a horizontal plane defined by the workpiece while the workpiece is being held by said top ring, with said upwardly extending inclination being directed in a radially outward direction with respect to the workpiece while the workpiece is being held by said top ring.