Patent ID: 7419551
Filing Date: 2008-09-02
Classification: H01J,H01L

Abstract:
1. A plasma reactor for processing a workpiece, comprising: a process chamber comprising an enclosure including a ceiling and having a vertical axis of symmetry generally perpendicular to said ceiling, a workpiece support pedestal inside the chamber and generally facing the ceiling, process gas injection apparatus coupled to the chamber and a vacuum pump coupled to the chamber; a plasma source power applicator overlying the ceiling and comprising a radially inner applicator portion and a radially outer applicator portion, and RF power apparatus coupled to said inner and outer applicator portions; and a tilt apparatus supporting said workpiece support pedestal and capable of tilting said workpiece support pedestal about a radial axis perpendicular to said axis of symmetry and capable of rotating said workpiece support pedestal about said axis of symmetry, wherein said tilt apparatus comprises: