Patent ID: 7934513
Filing Date: 2011-05-03
Classification: H01L

Abstract:
1. A substrate cleaning facility having a multi-storied structure, comprising: a cleaning part including a plurality of process chambers having at least one process bath in which substrates are cleaned, the plurality of process chambers being stacked; an interface part where substrates are transferred between the plurality of process chambers, the interface part includes: a transfer robot, wherein the transfer bath includes a nozzle configured to supply a cleaning solution thereinto, the substrates are transferred between the plurality of process chambers while being submerged in the cleaning solution of the transfer bath, the transfer bath further includes an exhaust valve configured to exhaust a cleaning solution, the exhaust valve is made of an elastic member to continue to cut off its outlet when an external force is not applied, the exhaust value includes: the interface part further includes a switch mounted on a bottom of the interface part for opening and closing the exhaust valve, and the switch further includes a gas injection part for injecting a dry gas to the injection valve to dry the exhaust valve, wherein the switch includes: