Patent ID: 9129777
Filing Date: 2015-09-08
Classification: H01J

Abstract:
1. A plasma reactor for processing a workpiece, comprising: a workpiece processing chamber having a processing chamber enclosure comprising a ceiling and a side wall and an electron beam opening in said side wall, a workpiece support pedestal in said processing chamber having a workpiece support surface facing said ceiling and defining a workpiece processing region between said workpiece support surface and said ceiling, said electron beam opening facing said workpiece processing region; an electron beam source chamber comprising an electron beam source chamber enclosure that is open to said electron beam opening of said workpiece processing chamber; an array of plasma sources distributed along a portion of said electron beam source chamber enclosure opposite from said electron beam opening, each of said plasma sources comprising a supply of plasma source power and a plasma source power applicator coupled to the supply of plasma source power; a controller governing each supply of plasma source power of each of said plasma sources; wherein: said plasma sources comprise respective RF capacitively coupled plasma sources facing respective regions of said electron beam source chamber; said plasma source power applicator of each of said plasma sources comprises: