Patent ID: 6500263
Filing Date: 2002-12-31
Classification: C23C,H01L

Abstract:
A method of operating a processing chamber, the processing chamber having associated therewith a mechanism for selectively transmitting a plurality of gases to the processing chamber, the plurality of gases including at least one toxic gas, the method comprising the steps of:actuating a first interlock condition to prevent transmission of all of the plurality of gases to the processing chamber when no lid is situated in a closed position on the processing chamber; actuating a second interlock condition to prevent transmission of the at least one toxic gas to the processing chamber, while allowing transmission of at least another of the plurality of gases to the processing chamber, when a first lid is situated in a closed position on the processing chamber; and allowing all of the plurality of gases to be transmitted to the processing chamber when a second lid is situated in a closed position on the process chamber.