John Wong wrote: |
Anders Mjos wrote: |
Target installed with 4 T/C
The target assembly is ITD0300 with the CTL Cu cooling block slightly modified.
Ch1 - CTL cooling block T/C feedtrough
Ch2 - Heat shield below left gripper arm - T/C feedthrough
Ch3 - Heat shield below left gripper arm - 9 pin connector
Ch4 - Target left side leg on tube - 9 pin connector
Friday, April 19, 2013, 15:23: Roughing
Friday, April 19, 2013, 15:41: Started turbo
Monday, April 22, 2013, 09:43: Opened water supply. Vacuum stable at 2.8E-7 T (IGP1)
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Monday, April 22, 2013, 18:48
Ramping TGHT/TBHT to 850A/300A at 1A/min.
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Tuesd ay, April 23, 2013, 10:07
TBHT / TGHT: 820A / 300A
TGHT:RDCUR: 816.6A
TBHT:RDCRU: 303.5A
Local P/S displays
TGHT: 821A / 11.05V
TBHT: 307A / 4.37V
Tuesday, April 23, 2013, 10:45: Ramping down TBHT to 0A @ 5A/min
Tuesday, April 23, 2013, 12:49: Ramping down TGHT to 0A @ 5A/min
Tuesday, April 23, 2013, 15:52: Swithced off TGHT and TBHT P/S. TGHT P/S showed 30A read back value, while local value was 0A
Wednesday, April 24, 2013, 09:53: Turbo stopped
Wednesday, April 24, 2013, 12:00: Target removed
The ionizer tube was found to have deformed as seen in the attached photo. |