Patent ID: 7210985

Claim:
A system for removing material from microfeature workpiece having a first face, a second face facing opposite from the first face, an edge surface between the first and second faces, and an edge at a juncture between the edge surface and one of the first and second faces, the system comprising: a polishing pad having: a support surface positioned to face a polishing pad support; and a polishing surface facing generally opposite from the support surface, the polishing surface having a first portion and a second portion facing at least partially toward each other to remove material from the edge of the microfeature workpiece when at least one of the polishing pad and the microfeature workpiece is rotated about an axis oriented at an acute angle relative to the first and second portions, the polishing surface further having a third portion oriented generally normal to the axis to remove material from at least one of the first and second faces of the microfeature workpiece, wherein at least one of the first and second portions includes a recess positioned to convey material away from the polishing surface.