| ID |
Date |
Author |
Target/No.# |
Source |
Station |
Module |
Target Oven W.O# |
Heat Shield W.O# |
Status |
Subject |
Text |
 |
|
1044
|
Tuesday, January 07, 2025, 17:06 |
Dave Neilson | | LP-FEBIAD | | | 44692-4 | 42972-10 | In progress | FEBIAD development | Tuesday, January 07, 2025, 16:00
- Target assembly installed in test
stand. electrical connections assessed: |
|
|
1045
|
Thursday, January 23, 2025, 17:12 |
Dave Neilson | | | | | | | | CATHODE ANODE current leak testing | Recent tests have shown that CATHODE voltage
breaks down at ~130V, continually leaking
current and progressively dropping voltage, |
|
|
1046
|
Friday, February 28, 2025, 17:16 |
Dave Neilson | | LP-SIS | | | 45447-17 | 42972-2 | In progress | UCx heat shield conditioning | Friday, February 28, 2025, 15:54 : installed
target assembly in test stand
Friday, February 28, 2025, 15:54 |
|
|
1048
|
Thursday, April 17, 2025, 16:11 |
Dave Neilson | C#5 | | | | | 45235 - 5 | | LPSIS C#5 conditioning | Thursday, April 17, 2025, 15:46 target
installed. now roughing
Thursday, April 17, 2025, 17:12 Turbo |
|
|
830
|
Friday, December 11, 2020, 15:02 |
Carla Babcock, Sam McEwen, Aaron Schmidt | | | | | | | | Modifications to test stand for TM3 tests | Test piece installed with Sam, Aaron and
Alexander. Ended up shimming the support
stand (middle foot) since it seemed to be |
|
|
826
|
Thursday, December 03, 2020, 15:55 |
Carla Babcock, Alexander Shkuratoff | | | | | | | | Modifications to ISAC test stand for TM3 tests | Thursday, December 03, 2020, 15:54 :
Got sign off from John Chow to run
the system, though the nylon insulator was |
|
|
833
|
Wednesday, December 16, 2020, 10:32 |
Carla Babcock, Alexander Shkuratoff | | | | | | | | TM3 service tray prototype HV tests | Wednesday, December 16, 2020, 10:30 (Carla)
:
Started ramping up about 45 mins |
|
|
834
|
Thursday, December 17, 2020, 08:16 |
Carla Babcock, Alexander Shkuratoff | | | | | | | | | Ramping up to 75kV. Started drawing current
at 63.5kV this time.
Now at 75kV, drawing 5uA of current. |
|
|
630
|
Thursday, February 08, 2018, 14:44 |
Carla Babcock | | | | | | | Done | Conditioning station power supply integrated into EPICS | The 75kV power supply is now in EPICS under
the usual TSG:BIAS controls. The upper limit
has been set to 70kV to protect the transformer. |
|
|
631
|
Thursday, February 08, 2018, 16:54 |
Carla Babcock | | | | | | | | EZL strange behaviour | Thursday, February 08, 2018, 16:54
Testing the HV bias I found that
the einzel lens was behaving strangely. When |
|
|
632
|
Friday, February 09, 2018, 08:57 |
Carla Babcock | | | | | | | | TSGBIASSAFETY ok interlock | Friday, February 09, 2018, 08:25
Disconnected the AC power chain from the
old bias supply but now cannot turn on the |
|
|
633
|
Tuesday, February 13, 2018, 12:17 |
Carla Babcock | | | | | | | | Ramping up bias to 60kV with conditioning station supply | Ramped up to 60kV with the new power supply,
same as what we did last time with the standard
test stand bias supply (see entry #627 ). |
|
|
634
|
Tuesday, February 13, 2018, 16:47 |
Carla Babcock | | | | | | | | Ramping to 63kV - some sparks | Sparks at 62kV on the bias.
Turned it down, turned it back up
and got a spark at 60kV. |
|
|
635
|
Friday, February 16, 2018, 15:21 |
Carla Babcock | | | | | | | | Cleaned HV cage - trying bias again | I vacuumed inside the HV cage, though it
has many small areas that are difficult to
access so I am not sure how great a job I |
|
|
636
|
Monday, February 19, 2018, 08:30 |
Carla Babcock | | | | | | | | TMSTP6 off | Found TMSTP6 off, restarted it, seems fine
now (drawing 0.8A) |
|
|
637
|
Monday, February 19, 2018, 14:01 |
Carla Babcock | | | | | | | | Attempts to get to higher voltages, summarized. | The test stand holds up to 63kV, however
at voltages over 54kV there are small discharges,
rising to a continuous level around 60kV. |
|
|
638
|
Tuesday, February 20, 2018, 09:04 |
Carla Babcock | | | | | | | | Trying HV with rubber corona shield | Tuesday, February 20, 2018, 09:01: Sparks
at 62.5kV after a couple minutes. Sounds
like they were in the EE spark gap but don't |
|
|
640
|
Monday, February 26, 2018, 09:13 |
Carla Babcock | | | | | | | | Running list of changes to the ISAC test stand for >60kV operation | 1. Al corona shield installed over end
of the HV duct to suppress discharges from
the sharp edge of the duct. |
6x |
|
642
|
Thursday, March 01, 2018, 10:05 |
Carla Babcock | | | | | | | | HV tests with corona discharge problems solved | Turning up bias, no corona discharge at
60kV but a spark at 61.5kV bias, 31kV EZL,
-800V EE |
|
|
643
|
Tuesday, March 06, 2018, 10:55 |
Carla Babcock | | | | | | | | Trying HV without electronics | I have removed the resistor/varistor combinations
that go between the poles of the target and
tube heaters, and between those two supplies. |
|