Friday, April 11, 2025, 06:18

 initial IPG1=2.3 e=06 Torr

Ta container tube, wrapped in 4 Ta foil heat-shields, and loaded with _________ D shaped discs in a 12mm graphite cartridge with usable 11mm

conditioning tube WO = 41882-4

End-caps on the graphite cartridge have holes for outgassing.  One spring each end in the Ta container

initial heating @ 2A/min to 85 A then 2A/min to 120A TGHT

OMEGA slope = 0.99

Vacuum limits up to 400A: 5.0e-04 Torr -- 1.0e-02 Torr

Friday, April 11, 2025, 14:45

reached 1800 C on OMEGA at 398A readback

Will take to ~410 A and leave for 4 hours

Friday, April 11, 2025, 18:55

at 415A OMEGA was 1879 C

was left for 4 hours at this setting

starting rampdown at -2A/min