All Users, Please remember to add pellets to our sources before allowing them to be reduce to less than half the crucible depth. Sources in Bin C 40, also have a small supply of pellets to be added to the whole sources. Thanks, Jeannie Perez Stanford Nanofabrication Facility CIS Room 146, Mail Code 4070 Stanford, CA 94305 (650) 723-7997 jperez at snf.stanford.edu