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Friday, October 07, 2016, 16:40
Target consists of 470 discs.
Total packed length 3.4cm [exactly 7.8cm space on both sides]
Total mass g [Incl foils + Ta wire on 6 packs]
Note: Target consists of 350 single discs and 6x20 packs of Ta discs
3x Ta Heat shields.
No endcaps inserted, no Rh foil inserted.
Chamber currently pumping down.
TBHT will be ramped up to 230A at 1.0A/min.
TGHT will be ramped up to 300A at 2.0A/min.
Final desired temperature = 1900C
Tuesday, October 11, 2016, 10:02
HS water valves opened, no leaks detected
Tapped up manually to 35A
Vacuum stable, IGP1 = 2e-7 Torr
Initiating auto-ramp.
OMEGA slope = 0.98
Wednesday, October 12, 2016, 16:15
Tapped up to 1900C? [see attached link for data concerning temperature readings]
TGHT = 450A, 7.16V
TBHT = 230A, 4.1V
OMEGA = 1748C
IGP1 = 6.1e-7 Torr
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