Monday, March 24, 2014, 17:50
UO2/C cast was prepared on March 21 and let dry over the weekend. The cast looks pretty good, and it was rolled up and wrapped in a piece of graphite sheet.
The Ta-target boat was wrapped with 3-layers of heat shield and installed in EVAP1.
Chamber is currently being pumped down.
Target will be ramped up to 520A at the rate of 0.1A/min.
Vacuum limit stop at 5.0e-5 Torr, backing off at 6.0e-5 Torr.
Tuesday, March 25, 2014, 15:55
Chamber has been pumped down to 6.8e-6 Torr. BP 47mTorr.
Stepping up TGHT 35A/0.264V. Vac stabilizing at 6.0e-5 Torr.
Tuesday, March 25, 2014, 17:43
Auto-ramping initiated.
Friday, April 11, 2014, 11:49
TGHT reached to max 520A.
Carbonization process is complete (see attachment)
IG at 9.3e-6 Torr.
Cooling down TGHT at 2A/min
Will vent the chamber with Ar on Monday
Monday, April 14, 2014, 16:41
UC2 flakes was removed from the chamber and transferred in to the Ar glovebox.
Evap off.
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