Patent ID: 6280296
Filing Date: 2001-08-28
Classification: B24B

Abstract:
A method of polishing a surface of a workpiece in a plane such that the surface of the workpiece is held in sliding contact with a polishing face of a rotating polishing plate, said method comprising the steps of:rotating said workpiece about an autorotation axis thereof which is parallel to an axis of rotation of said polishing plate and which lies within said surface of the workpiece; andrevolving said autorotation axis of said workpiece about a revolving axis which is parallel to said axis of rotation of said polishing plate and which lies within a circumscribed circle of said surface of the workpiece,and wherein said workpiece is rotated with a rotating period T.sub.A while said autorotation axis is revolved with a revolving period T.sub.B, such that said rotating period T.sub.A and said revolving period T.sub.B satisfies 0.1.ltoreq.T.sub.B /T.sub.A <1, or 1<T.sub.B /T.sub.A.ltoreq.10.