Patent ID: 6193836
Filing Date: 2001-02-27
Classification: H01J,Y10S

Abstract:
A plasma reactor for processing a workpiece, said reactor comprising:a reactor enclosure defining a processing chamber;a base within said chamber for supporting said workpiece during processing thereof;said reactor enclosure comprising a semiconductor ceiling overlying said base;an apparatus for coupling plasma source power into said chamber;a center gas feed top sealed onto an exterior surface of said semiconductor ceiling;plural gas inlet ports in said semiconductor ceiling opening into said chamber;a gas manifold formed between said center gas feed top and said semiconductor ceiling, said gas manifold encompassing said gas inlet ports;a baffle of said manifold and dividing said manifold into a pair of sub-manifolds, for preventing plasma discharge between said baffle and said gas inlet ports; andplural gas feed passages through said baffle offset from said gas inlet ports.