Tuesday, January 14, 2025, 16:26
Cartridge #22 loaded with 211 discs including 3 analysis discs
To be reduced inside a Ta container tube. Tube wrapped in 3 Ta foil heatshields.
Reduction for 4 hours and then 8 hours @ 450A (see docushare 177267)
Good Vacuum: 5.0e-04 Torr
Bad Vacuum: 5.0e-02 Torr
Initial pressure is 1.6 e-06 Torr
Tuesday, January 14, 2025, 16:27
Left system to pump down earlier in the day.
Wednesday, January 15, 2025, 10:23
Earlier started initial ramp to 60A at 2A/min
Initial pressure IGP1 was 2.65e-06 Torr
Pressure stable now at 2.40e-5 Torr
Starting ramp to 90 A at 1A/min
Wednesday, January 15, 2025, 18:06
top current = 440A held for four hours
Wednesday, January 15, 2025, 22:07
setting temperature to 450A
IGP1= 9.0 e-6 Torr
5.5 V was final voltage
Thursday, January 16, 2025, 06:05
IGP1=2.12 e-6 Torr
4.5V, 450A on TGHT
ramp down at -2A/min |