Patent ID: 7347006
Filing Date: 2008-03-25
Classification: H01J,H01L

Abstract:
1. A method for removing particles from a processing apparatus having a vacuum vessel whose inner space is evacuatable; a gas introduction unit for introducing a gas into the inner space of the vacuum vessel; and a processing unit, disposed in the inner space of the vacuum vessel, for processing an object therein, the method comprising: a first detection step for detecting a temperature of an inner wall of the vacuum vessel; a second detection step for detecting a temperature of the processing unit; a first control step for controlling a temperature of the gas; a gas introduction step for introducing the gas into the inner space of the vacuum vessel; and a second control step for controlling a pressure of the inner space of the vacuum vessel, wherein, in the first control step, the temperature of the gas is controlled based on a temperature gradient between the temperatures of the inner wall and the gas or a temperature gradient between the temperatures of the processing unit and the gas.