Patent ID: 6797069
Filing Date: 2004-09-28
Classification: C23C,C30B,H01L

Abstract:
A gas driven rotation apparatus for use with a flow of drive gas, the apparatus comprising:a) a base member having an upper surface; b) a main platter overlying the upper surface of the base member; and c) a satellite platter overlying the main platter; d) wherein the apparatus is adapted to: direct the flow of drive gas between the upper surface of the base member and the main platter such that the main platter is rotated relative to the base member by the flow of drive gas; and direct at least a portion of the flow of drive gas from between the upper surface of the base member and the main platter to between the main platter and the satellite platter such that the satellite platter is rotated relative to the main platter by the at least a portion of the flow of drive gas.