Patent ID: 6216873
Filing Date: 2001-04-17
Classification: G03F

Abstract:
A container for supporting a workpiece having four corners, the workpiece including a chamfer around upper and lower edges of the workpiece, the container including a door and a shell capable of coupling with the door to define an isolated environment within the container, the container comprising:a workpiece support mounted to said door, said workpiece support including four support posts, a support post of said four support posts capable of supporting the workpiece at a corner of the four corners, said support post including:a pair of sloping sidewalls, said pair of sloping sidewalls capable of supporting adjoining sides of the workpiece at said corner,a tilt limiting section at a bottom of said pair of sloping sidewalls for preventing said corner from falling down out of said support post, anda stopper projection at a top of said pair of sloping sidewalls for preventing said corner from rotating up out of said support post.