Patent ID: 6782843
Filing Date: 2004-08-31
Classification: C23C,H01J

Abstract:
A plasma processing system comprising:(i) a plasma generator; (ii) a processing chamber having an interior processing cavity in communication with said plasma generator such that plasma within said generator may pass into said cavity and react with the surface of a substrate residing therein; said processing chamber comprising walls which at least partially define said cavity, said walls provided with first cooling passages for reducing an operating temperature thereof, said processing chamber comprising a lower baffle plate and a generally planar upper baffle plate attached to said lower baffle plate and separated by a distance therefrom, said upper baffle plate provided with apertures, and a non-apertured plate overlying and covering apertures in a central portion of the upper baffle plate; (iii) a cooling medium inlet and a cooling medium outlet connected to said first cooling passages to permit circulation of a cooling medium through said first cooling passages; and (iv) a radiant heater assembly for heating the substrate.