7. Lesker E-Beam Evacuate to High Vacuum
Close the rough valve
Open the gate valve
Wait for 5 minutes
Turn on the ion gage, record initial pressure
Wait for the pressure to fall below 3 x 10-6 Torr
Close the rough valve
Open the gate valve
Wait for 5 minutes
Turn on the ion gage, record initial pressure
Wait for the pressure to fall below 3 x 10-6 Torr