Patent ID: 6387207
Filing Date: 2002-05-14
Classification: H01J

Abstract:
A substrate processing system comprising:a housing defining a process chamber; a substrate support for supporting a substrate during substrate processing in the process chamber; a remote plasma generator having an inlet and an outlet; and a gas delivery system for introducing gases into the process chamber, the gas delivery system including a three-way valve having a valve inlet, a fist valve outlet, and a second valve outlet, the three-way valve being adjustable to switch flow between a first valve path from the valve inlet to the first valve outlet and a second valve path from the valve inlet to the second valve outlet; a first inlet flow conduit coupled between the outlet of the remote plasma generator and the process chamber; a remote plasma conduit coupled between the first valve outlet of the three-way valve and the inlet of the remote plasma generator; and a second inlet flow conduit coupled between the second valve outlet of the three-way valve and the process chamber.