Patent ID: 6375758
Filing Date: 2002-04-23
Classification: H01L,Y10S

Abstract:
A method for drying an object to be processed in a cleaning and drying apparatus, wherein said apparatus includes:a cleaning chamber enclosed with a cleaning bath for storing cleaning liquid in which said object is immersed, said cleaning bath having an upper portion defining an upper opening, and a drying chamber enclosed with a case arranged above said cleaning bath and being used only for drying, for supplying the object with gas in order to dry the object, said case having a lower portion defining a lower opening, said lower opening being connected with said upper opening between said case of said drying chamber and said cleaning bath, said method comprising the steps of: a first drying process step including the steps of: supplying a first dry gas into said cleaning chamber after cleaning said object, draining said cleaning liquid, wherein said object is fixed in said cleaning chamber, while lowering the level of said cleaning liquid, exposing said object to said first dry gas to dry said object to a certain extent, wherein said first dry gas contains volatile organic solvent; a moving process step of moving said object to said drying chamber after said first drying process; and a second drying process step of supplying a second dry gas into said drying chamber to complete the drying of said object.