Patent ID: 6168669
Filing Date: 2001-01-02
Classification: H01L

Abstract:
An apparatus for holding a substrate comprising: a frame section formed surrounding a half or more of a periphery of said substrate; an arm section supporting said frame section; and a plurality of supporting members provided on an inner periphery of said frame section, each of said supporting members having an inclined guide which allows a rim portion of said substrate to slide down and be guided to a predetermined position, a rear face supporting section which supports a rear face of said substrate slid down along said inclined guide and a vertical wall formed continuously with said inclined guide and being nearly perpendicular to a supported face of said substrate at an upper end of said inclined guide, said supporting members each have a concave section formed on a side where said substrate is supported and said inclined guide and said vertical wall are formed on the both sides of the concave section in said supporting member.