Thursday, December 01, 2016, 16:06

Container coated with TaC using 'flushing technique' and let dry overnight.

Cleaned ionizer tube with acetone, no coating inside ionizer tube

Wrapped with 3 x Ta heat shields, incl center block

Currently pumping down in evap2

OMEGA slope = 0.98

 Friday, December 02, 2016, 11:24

Opened up HS water valves, no leaks detected.

Tapped up manually to 35A.

Waited ~25min, vacuum stable.

IGP1 = 1.65e-6 Torr

Initiating auto-ramp at 0.2A/min for the TGHT and 0.1A/min for the TBHT.

Max setpoints set for 350A and 230A for the TGHT and TBHT respectively.

Once max setpoints achieved, will tap up manually to final desired temperature of 1900C

 Monday, December 05, 2016, 09:38

TGHT = 350A, 5.38V

TBHT = 230A, 4.03V

OMEGA = 1550C

IGP1 = 3.2e-7 Torr

Tapping up to 1900C...

 Monday, December 05, 2016, 14:11

OMEGA = 1905C

TGHT = 475A, 7.63V

TBHT = 230A, 4.07V

IGP1 = 8.5e-7 Torr

 Tuesday, December 06, 2016, 08:41

TGHT = 475A, 7.76V

TBHT = 230A, 4.07V

IGP1 = 3.9e-7 Torr

Initiating auto-cool at 2.0A/min and 1.0A/min for the TGHT and TBHT respectively.

Wednesday, December 07, 2016, 08:46 

Evap2 was vented in air and opened up yesterday afternoon.

Container looks good, coating fully sintered.