Friday, May 22, 2015, 11:43
A target boat was sprayed with TaC coating and let dry yesterday.
The target boat is wrapped with 3-layers of Ta-heat shield.
The boat was installed in EVAP2, chamber is currently being pumped down.
Friday, May 22, 2015, 14:22
HS water valves opened, no leaks detected.
IGP1 = 2.4e-6 Torr.
Tapping up manually...
Friday, May 22, 2015, 14:33
Tapped up to 20A.
Vacuum jumped up to 7e-6 Torr.
Backed off to 5A before vacuum started to drop again.
IGP1 = 5e-6 Torr.
Tapping up manually again...just more slowly...
Friday, May 22, 2015, 15:31
Tapped up to 12A, unable to tap up very fast due to volatile content in coating.
IGP1 = 3.6e-6 Torr.
Initiating auto-ramp at 0.1A/min with a max current of 580A.
Monday, May 25, 2015, 09:03
IGP1 = 3e-7 Torr.
TGHT = 397.5A, 6.43V
Increasing ramping rate to 1.0A/min.
|