Patent ID: 6422930
Filing Date: 2002-07-23
Classification: B24B

Abstract:
An apparatus for removing a deposited film in an edge portion of a substrate to be polished, the apparatus for removing the deposited film comprising:a polishing body having at least one polishing portion formed thereon and having substantially the same shape as that of the edge portion of the substrate; a forming body for forming the polishing portion having substantially the same shape as that of the edge portion of the substrate on the polishing body; a holding member for a forming body; a holding member for a polishing body; and a holding member for an object to be polished having mechanisms for rotation, horizontal movement, and pressing, wherein the forming body movably held by the holding member for a forming body is brought into contact with the polishing body held rotatably and vertically movably by the holding member for a polishing body so as to form the polishing portion, and wherein the substrate held by the holding member is urged into contact with the polishing body so as to remove a deposited film at the edge portion by polishing.