Patent ID: 7735710
Filing Date: 2010-06-15
Classification: H01L,Y10S

Abstract:
1. An apparatus for supporting a substrate, comprising: a chamber body; a support plate disposed in the chamber body and having a first side adapted to support the substrate and a first edge bounding a portion of the first side, the support plate rotationally fixed relative to the chamber body; a first body coupled to the support plate and disposed proximate the first edge and rotatable on a first axis parallel to a plane of the first side of the support plate and first edge of the support plate, the first axis fixed in a stationary position relative to the first edge; and a first pushing member radially coupled to a second body having a second axis and the second body is coupled to the first body with the first pushing member adapted to concurrently urge the substrate in a direction parallel to the first side when the first body rotates, wherein the first pushing member further has a roller rotational axis comprising the second axis of the second body, wherein the second body further comprises: