Patent ID: 6990988
Filing Date: 2006-01-31
Classification: H01L,Y10S,Y10T

Abstract:
1. A liquid processing system comprising: heaters for heating a processing liquid stored in a tank; cooling means for flowing a cooling medium for cooling the processing liquid in the tank; a stand-by circulation line for circulating the processing liquid in the tank outside the tank for stand-by; processing liquid supply means for supplying the processing liquid to objects-to-be-processed loaded in a processing chamber; a supply passage for supplying the processing liquid to the processing liquid supply means; a discharge passage for discharging the processing liquid used for processing from the processing chamber; a processing circulation line including the supply passage, supply means and the discharge passage; change-over means for changing over a flow of the processing liquid between the stand-by circulation line and the processing circulation line; opening/closing means inserted in a communication passage for the cooling medium; and control means for controlling the heaters to heat the processing liquid when the processing liquid is switched to the stand-by circulation line by the change-over means while controlling the opening/closing means to open to pass the cooling medium into the tank.