Patent ID: 6123791
Filing Date: 2000-09-26
Classification: H01J,Y10S

Abstract:
A plasma reactor for processing substrates comprising a reactor chamber including a chamber wall;a dielectric window supported by said chamber wall and comprising a ceramic composition including a ceramic compound and an oxide of a Group IIIB metal said ceramic composition of said dielectric window comprising from about 30% by weight to about 95% by weight of said ceramic compound and from about 5% by weight to about 70% by weight of said oxide of a Group IIIB metal;a pedestal assembly disposed in said reactor chamber for supporting substrates in said reactor chamber;a processing power source;a processing gas-introducing assembly, engaged to said reactor chamber, for introducing a processing gas into said reactor chamber; anda processing power-transmitting member disposed in proximity to said reactor chamber and connected to said processing power source for transmitting power into the reactor chamber to aid in sustaining a plasma from a processing gas within the reactor chamber.