Patent ID: 7637272
Filing Date: 2009-12-29
Classification: H01L

Abstract:
1. A substrate cleaning and drying apparatus comprising: a cleaning chamber carrying a process for cleaning substrates; a drying chamber carrying a process for drying the substrates, the drying chamber located above the cleaning chamber; a transfer device transferring the substrates between the cleaning chamber and the drying chamber; a gas supplier that is located in the drying chamber, the gas supplier for supplying a gas for drying the substrates and a discharge device that is located between the cleaning chamber and the drying chamber, the discharge device for evacuating forcibly the gas from the drying chamber such that the gas is driven down generally vertically in the drying chamber; wherein the discharge device comprising; a discharge block having a bottom surface, a top surface, a plurality of discharge holes that are formed on the top surface of the discharge block, at least one of the discharge holes extending through the top and bottom surfaces of the discharge block and at least one internal passage that are connected to the discharge holes; discharge lines connected to at least one internal passage through the sidewall; and a vacuum pump installed on the discharge lines.