Patent ID: 8235001
Filing Date: 2012-08-07
Classification: C23C

Abstract:
1. A substrate processing apparatus comprising: a processing chamber in which a substrate is processed; a processing gas feeding line that feeds a processing gas into said processing chamber; an inert gas feeding line that feeds an inert gas into said processing chamber; an inert gas vent line provided in said inert gas feeding line, which exhausts said inert gas fed into said inert gas feeding line without feeding said inert gas into said processing chamber; a first valve provided in said inert gas feeding line, on a downstream side of a part where said inert gas vent line is provided in said inert gas feeding line; a second valve provided in said inert gas vent line; a third valve provided in said processing gas feeding line; an exhaust line that exhausts an inside of said processing chamber; and a main controller that is configured to control said first, second and third valves so that: