Patent ID: 6561880
Filing Date: 2003-05-13
Classification: B24B

Abstract:
A linear polisher for polishing a substrate comprising:an endless loop of a polishing pad having a first width; a first roller means and a second roller means for mounting said polishing pad and supplying a predetermined tension on said pad; a motor means for rotating said first roller means such that said polishing pad moves at a predetermined linear speed in a longitudinal direction; a substrate holder for mounting said substrate thereto and for pressing an exposed surface of said substrate onto a top surface of said polishing pad; a brush means equipped with a bristle having a second width for pressing against said top surface of the polishing pad, said brush means being a rotatable, cylindrical-shaped brush driven by a motor, said second width of the brush means being in the range of within Â±50% of said first width of said polishing pad; and solvent spray means for removing debris from said brush means.