Patent ID: 8366869
Filing Date: 2013-02-05
Classification: C23C,F17D,H01J,Y10T

Abstract:
1. A processing apparatus for performing a predetermined process using a process gas at a prescribed flow rate to an object, the processing apparatus comprising; a process container comprising a placing table for placing the object; an exhaust system having a vacuum pump and a pressure control valve for exhausting an atmosphere in the process container; a gas injection unit having a gas ejection hole for ejecting the process gas into the process container; a gas supplying unit for supplying the process gas to the gas injection unit while controlling the prescribed flow rate; and a control unit configured for controlling the entire processing apparatus; wherein the control unit controls the exhaust system and the gas supplying unit so that the process gas flows at a flow rate greater than the prescribed flow rate of the predetermined process, and the process gas is supplied for a predetermined short time at a constant flow rate while exhausting the atmosphere in the process container by the exhaust system; and thereafter the same process gas is supplied at the prescribed flow rate.