Quartz guard ring
01-05-2008 дата публикации
Номер:
US2008099448A1
Принадлежит:
Контакты:
Номер заявки: 07-30-7014
Дата заявки: 02-02-2007
An electrode assembly for a plasma reaction chamber used in semiconductor substrate processing. The assembly includes an upper electrode, a backing member attachable to an upper surface of the upper electrode, and an outer ring. The outer ring surrounds an outer surface of the backing member and is located above the upper surface of the upper electrode.