Patent ID: 8287967
Filing Date: 2012-10-16
Classification: H01L

Abstract:
1. A plasma processing method comprising the steps of: a) carrying a workpiece into a process chamber which is capable of being maintained in a subatmospheric pressure, and moving said workpiece to a position over a mounting stage arranged in said process chamber; b) mounting said workpiece on a surface of said mounting stage; c) with said workpiece mounted on the surface of said mounting stage, applying process gas to a surface of said workpiece in a plasma atmosphere while supplying a heat transfer gas having a first temperature to a space between the surface of said mounting stage and said workpiece through a gas channel arranged in said mounting stage; d) removing said workpiece from the surface of said mounting stage to a position above said mounting stage; e) carrying said workpiece from the position above said mounting stage to a position outside said process chamber, (f) supplying a first gas, which is a heated N (g) supplying a second gas, which is a heated N wherein step a) to step e) is repeated for each processing of one workpiece.