ELOG Test-Stand

Sunday, June 04, 2017, 06:52 : Source at TGHT / TBHT 580 / 290 A over night and outgassing while measuring mass 20. Both anode current andFC6 current increased whie vacuum decreased. Ramped TBHT up to 300 A. Anode current now 68 mA, FC6 0.2 nA, FC0 3 uA

Monday, June 05, 2017, 16:04: Starting cool down

Monday, June 05, 2017, 22:04: Source off. Stopped turbo pumps.

Tuesday, June 06, 2017, 07:28: RGA off.

Tuesday, June 06, 2017, 07:30: Venting

Attachment 1: 20170605-Anode-Coil_CHT-sweep.xlsx

Attachment 2: TS-2017-06-02-16-21.rga

Attachment 3: SiC#36.docx

Attachment 4: OMEGA_OM-DAQPRO-5300_06-Jun-17_09.30.24.dlp

Attachment 5: ITW-TM2-SiC#36-HP-CTL-FEBIAD_Test_Stand.docx

Attachment 6: ER-580-300-30kV-m20.txt

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Attachment 7: CHT-290-AV-200-CI-70.txt

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Attachment 8: 20170605_1029_emit_A40.txt

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 -0.0732 -0.0861 -0.0732 -0.0873 -0.0876 -0.0674 -0.0690 -0.0717 -0.0681 -0.0793 -0.0607 -0.0714 -0.0861 -0.0809 -0.0830 -0.0876 -0.0800 -0.0876 -0.0800 -0.0671 -0.0912
 -0.0739 -0.0833 -0.0708 -0.0885 -0.0870 -0.0604 -0.0684 -0.0699 -0.0647 -0.0800 -0.0620 -0.0351 -0.0598 -0.0793 -0.0854 -0.0897 -0.0797 -0.0885 -0.0800 -0.0656 -0.0906
 -0.0754 -0.0858 -0.0653 -0.0882 -0.0903 -0.0671 -0.0684 -0.0644 -0.0638 -0.0784 -0.0674 -0.0204 -0.0140 -0.0558 -0.0824 -0.0876 -0.0781 -0.0888 -0.0806 -0.0659 -0.0912
 -0.0763 -0.0867 -0.0668 -0.0897 -0.0894 -0.0687 -0.0684 -0.0735 -0.0626 -0.0751 -0.0674 -0.0418 0.0314 -0.0415 -0.0555 -0.0851 -0.0757 -0.0900 -0.0800 -0.0720 -0.0900
 -0.0754 -0.0867 -0.0705 -0.0900 -0.0864 -0.0677 -0.0693 -0.0668 -0.0659 -0.0735 -0.0681 -0.0507 0.0629 -0.0208 -0.0577 -0.0656 -0.0769 -0.0873 -0.0812 -0.0714 -0.0894
 -0.0745 -0.0839 -0.0693 -0.0882 -0.0864 -0.0656 -0.0702 -0.0745 -0.0681 -0.0723 -0.0653 -0.0601 -0.0052 0.0259 -0.0586 -0.0677 -0.0641 -0.0891 -0.0827 -0.0656 -0.0903
 -0.0763 -0.0809 -0.0644 -0.0861 -0.0867 -0.0665 -0.0699 -0.0717 -0.0632 -0.0797 -0.0644 -0.0656 -0.0400 0.0293 -0.0558 -0.0720 -0.0684 -0.0781 -0.0772 -0.0662 -0.0894
 -0.0793 -0.0827 -0.0653 -0.0882 -0.0864 -0.0693 -0.0711 -0.0668 -0.0656 -0.0809 -0.0757 -0.0681 -0.0577 -0.0064 -0.0433 -0.0797 -0.0705 -0.0839 -0.0708 -0.0671 -0.0906
 -0.0763 -0.0873 -0.0687 -0.0882 -0.0876 -0.0693 -0.0702 -0.0806 -0.0665 -0.0803 -0.0766 -0.0812 -0.0735 -0.0455 -0.0415 -0.0790 -0.0732 -0.0848 -0.0739 -0.0656 -0.0879
 -0.0739 -0.0848 -0.0690 -0.0858 -0.0864 -0.0650 -0.0702 -0.0702 -0.0696 -0.0797 -0.0726 -0.0797 -0.0848 -0.0684 -0.0562 -0.0739 -0.0745 -0.0867 -0.0760 -0.0620 -0.0864
 -0.0748 -0.0833 -0.0665 -0.0876 -0.0833 -0.0644 -0.0708 -0.0693 -0.0687 -0.0769 -0.0751 -0.0803 -0.0845 -0.0793 -0.0797 -0.0784 -0.0775 -0.0879 -0.0812 -0.0623 -0.0873
 -0.0760 -0.0839 -0.0674 -0.0885 -0.0851 -0.0668 -0.0729 -0.0742 -0.0662 -0.0781 -0.0739 -0.0797 -0.0815 -0.0800 -0.0833 -0.0858 -0.0769 -0.0879 -0.0803 -0.0681 -0.0885
 -0.0766 -0.0815 -0.0687 -0.0876 -0.0870 -0.0699 -0.0702 -0.0717 -0.0662 -0.0784 -0.0757 -0.0797 -0.0815 -0.0787 -0.0806 -0.0851 -0.0775 -0.0888 -0.0781 -0.0693 -0.0870
 -0.0751 -0.0824 -0.0702 -0.0888 -0.0867 -0.0671 -0.0677 -0.0702 -0.0665 -0.0797 -0.0742 -0.0790 -0.0815 -0.0812 -0.0824 -0.0839 -0.0775 -0.0885 -0.0787 -0.0677 -0.0879
 -0.0742 -0.0842 -0.0674 -0.0827 -0.0861 -0.0653 -0.0684 -0.0705 -0.0668 -0.0803 -0.0732 -0.0787 -0.0821 -0.0784 -0.0836 -0.0858 -0.0763 -0.0879 -0.0793 -0.0671 -0.0873

590

Tuesday, June 06, 2017, 09:22

Aaron Schmidt

Pump down empty chamber

Tuesday, June 06, 2017, 09:21: roughing.

Friday, June 09, 2017, 08:50: Ion gauge off. Turbo pumps off.

Friday, June 09, 2017, 10:46: Venting.

591

Wednesday, June 07, 2017, 12:49

Aaron Schmidt

Gas bottles

Gas bottles for FEBIAD testing were exchanged yesterday around 1:30. One Neon & one Argon bottle were removed.

Two Neon bottles were added.

593

Friday, June 16, 2017, 11:23

Aaron Schmidt

Pump down empty chamber.

Friday, June 16, 2017, 11:22: roughing.

Friday, June 16, 2017, 14:28: Turbo pumps on

Friday, June 30, 2017, 10:37: Ion gauge, turbos off.

Friday, June 30, 2017, 13:01: Venting.

598

Monday, July 17, 2017, 09:58

Target cleaning test (Long) HP-SIS CC Clean

Target Test (Fully Cleaned vs Crystal Clean only).

For all tests:

-Start Turbo pumps & Ion gauge as soon as available on ISAC TEST STAND VACUUM Screen.

- Ensure previous test turbos are off by 8:15 and started venting by 9:15am to meet timeline.

-Start Roughing by 10:10am +/- 1 minute.

-TGHT / TBHT ramping starts @ 8:30am. 2A per min to 580A / 200A

ALL START TIMES MUST BE CONSISTENT.

***Pre-outgassed*** Heat Shield W.O# 42738-1: Includes insulators, new Al grounded 9-pin, bracket, & gripper arms. Blank/Plate. No source cup/EE.

HP-SIS Target # 42218-8: Crystal Clean only.

Monday, July 24, 2017, 09:46: HS removed from test stand. Exchange target.

Monday, July 24, 2017, 10:08: Target # 42218-8 placed into test stand. Door open for 22 minutes.

Monday, July 24, 2017, 10:10: Roughing.

Monday, July 24, 2017, 10:10: Doors sealed for roughing.

Monday, July 24, 2017, 10:11: BV1B OPEN. Opened @ 306T.

Monday, July 24, 2017, 10:29: Both Turbo pumps started.

Monday, July 24, 2017, 10:34: Ion gauge on. TP1B @ speed 42 KRPM.

Monday, July 24, 2017, 10:38: TP1A @ speed 38 KRPM.

Monday, July 24, 2017, 10:40: RGA on. Vacuum @ 1.51E-05T.

Monday, July 24, 2017, 15:03: Vacuum @ 6.14e-07T

Tuesday, July 25, 2017, 08:02: Water lines opened. No response on RGA. Vacuum stable @ 1.97E-07T.

Tuesday, July 25, 2017, 08:05: Power/Sources on.

Tuesday, July 25, 2017, 08:23: Anode increased to 5, 10, 25, 50 V. Ok @ 0.000mA

Device	Temp [C]	Flow [lpm]
HS + MSP	27.3	3.77
TBHT	27.3	3.02
COIL + EE	27.1	4.91
TGHT	27.3	5.53

Tuesday, July 25, 2017, 08:30: Auto ramping TGHT / TBHT to 580 / 200 A @ 2A per min.

Tuesday, July 25, 2017, 09:00: Open back power supply panel. Using multimeter, 9-pin ground connection verified. Panel closed.

10:45: Check. Vacuum @ 2E-06T.

11:45: Check. Vacuum @ 3.33E-07T.

13:30: Check. Vacuum @ 2.78E-07T.

Device	Temp [C]	Flow [lpm]
HS + MSP	33.5	3.78
TBHT	28.1	3.03
COIL + EE	27.2	4.92
TGHT	29.4	4.48

Tuesday, July 25, 2017, 14:27: Open back power supply panel. Using multimeter, 9-pin ground connection verified. Panel closed

Wednesday, July 26, 2017, 08:15: Check. Vacuum @ 2.60E-07T.

Device	Temp [C]	Flow [lpm]
HS + MSP	33.5	3.78
TBHT	27.6	2.99
COIL + EE	27.2	4.06
TGHT	29.4	5.52

Wednesday, July 26, 2017, 15:00: Auto-Cooling @ 2A per min. Check. Vacuum @ @2.43e-07T

Thursday, July 27, 2017, 07:20: Check. Vacuum @ 1.44e-07T

Thursday, July 27, 2017, 07:22: Power/sources off.

Thursday, July 27, 2017, 07:24: Waterlines purged.

Thursday, July 27, 2017, 07:26: RGA off.

Thursday, July 27, 2017, 07:27: Ion gauge, Turbos off

Thursday, July 27, 2017, 09:13: Venting.

Attachment 1: HP-SIS_CC_Clean_(Long).docx

Attachment 2: OMEGA_OM-DAQPRO-5300_27-Jul-17_10.25.04.dlp

Attachment 3: TS-2017-07-24-10-40.rga

599

Monday, July 17, 2017, 10:04

Target cleaning test HP-SIS Full Clean

Target Test (Fully Cleaned vs Crystal Clean only).

For all tests:

-Start Turbo pumps & Ion gauge as soon as available on ISAC TEST STAND VACUUM Screen.

- Ensure previous test turbos are off by 8:15 and started venting by 9:15am to meet timeline.

-Start Roughing by 10:10am +/- 1 minute.

-TGHT / TBHT ramping starts @ 8:30am. 2A per min to 580A / 200A

ALL START TIMES MUST BE CONSISTENT.

***Pre-outgassed*** Heat Shield W.O# 42738-1: Includes insulators, new Al grounded 9-pin, bracket, & gripper arms. Blank/Plate. No source cup/EE.

HP-SIS Target # 42218-10: Full Clean. Crystal Clear, Acetone, & Methanol used.

Thursday, July 27, 2017, 09:49: HS removed from test stand. Exchange target.

Thursday, July 27, 2017, 10:07: Target # 42218-10 placed into test stand. Door open for 20 minutes.

Thursday, July 27, 2017, 10:10: Roughing.

Thursday, July 27, 2017, 10:10: Doors sealed for roughing.

Thursday, July 27, 2017, 10:13 BV1B OPEN. Opened @ 230T.

Thursday, July 27, 2017, 10:29: Both Turbo pumps started.

Thursday, July 27, 2017, 10:34: Ion gauge on. TP1B @ speed 42 KRPM.

Thursday, July 27, 2017, 10:37: TP1A @ speed 38 KRPM.

Thursday, July 27, 2017, 10:40: RGA on. Vacuum @ 1.42T.

Thursday, July 27, 2017,15:00: Check. Vacuum @ 5.51e-07T.

Thursday, July 27, 2017, 15:02: Waterlines opened. No response on RGA. Vacuum @ 5.42e-07T

Thursday, July 27, 2017, 15:05: Power on.

Friday, July 28, 2017, 08:30: Ramping started

Monday, July 31, 2017, 07:56: Ramping down

Monday, July 31, 2017, 14:25: Power supplies off. RGA off.

Tuesday, August 15, 2017, 06:48: Ion gauge, Turbo pumps off.

Tuesday, August 15, 2017, 06:50: power off. Waterlines purged.

Tuesday, August 15, 2017, 07:55: Venting.

Attachment 1: HP-SIS_Full_Clean_(Short).docx

Attachment 2: TS-2017-07-27-10-40.rga

606

Monday, September 25, 2017, 14:10

Aaron Schmidt

Pump down empty chamber

Monday, September 25, 2017, 14:10: Roughing.

Wednesday, September 27, 2017, 08:23: Turbo pumps on

Friday, October 06, 2017, 09:04: Ion gauge off. Turbos off.

Friday, October 06, 2017, 11:17: Venting.

608

Tuesday, October 10, 2017, 13:10

Aaron Schmidt

Gas bottles

Tuesday, October 10, 2017, 09:30: Install/swap gas bottles. Elog.

Removed smallest Neon leak. Neon Bottle Serial #11231. Leak rate calibrated @ 1.59e-07 atm*CC/sec (02/09/2016)

In use:

Neon Bottle Serial #09572. Leak rate calibrated @ 1.82e-06 atm*CC/sec (02/09/2016)

Argon Bottle Serial #09937. Leak rate calibrated @ 1.35 x10-6 Atm-CC/sec (08/06/2003)

Tuesday, October 10, 2017, 10:12: Gas bottles opened. Pump not on? Vacuum spiked into e-04T. All closed. Await vacuum stabilization.

Tuesday, October 10, 2017, 10:36: Power on. Pump on Gas bottles opened. Await vacuum stabilization.

pump off.

612

Tuesday, October 24, 2017, 11:38

Anders Mjos

FEBIAD coil magnetic field measurment

with Fernando

Tuesday, October 24, 2017: Testing setup with triple coil

Wednesday, October 25, 2017: Field mapping at 70 A and current/field measurements on triple coil.

Attachment 1: FEBIAD_Coil_Field_Measurement_2017-10-25.xlsx

Attachment 2: 171025-First-Run.xlsx

619

Thursday, December 21, 2017, 15:12

Anders Mjos

Powered down devices

Powered down vacuum gauge and turbo pump controllers

629

Wednesday, February 07, 2018, 08:46

Aaron Schmidt

BIAS Power supply installation

Wednesday, February 07, 2018, 08:40: A 75 kV Glassman power supply was installed in the rack for use in further HV testing.

-The 75kV power supply is linked into the keyed interlock system. The key & switch labelled BIAS/EZL will unlock it.

-The PS is currently not connected to the epics controls and can only be adjusted manually.

-The old Glassman supply is disconnected and removed from the cage.

Attachment 1: BIAS_PS_off_top_switch.jpg

Attachment 2: BIAS_PS_70kV_rear_bottom.jpg

Attachment 3: BIAS_PS_70kV_Front_bottom.jpg

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 I tried to put it higher than 1kV, the current would start spiking from 12uA to > 100uA. The voltage would jump around quite a bit as well (+/- 100V). Everything seems the way it was before, except the EZL power supply is still connected in parallel with the old bias power supply, which is no longer powered. Maybe one of the transorbs connecting line and neutral on the bias side is fried? I will unhook the connection to the old PSU and try again.

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 new bias supply in EPICS because the "TSGBIASSAFETY ok" interlock is tripped. No idea what this means - maybe it checks for AC power?

Friday, February 09, 2018, 08:48 Reconnected power to old bias supply, does not fix problem. Talked to Mike, he thinks it is PLC related, so will call Gelo later.

Friday, February 09, 2018, 11:38 TSGBIASSAFETY ok interlock problem seems to have solved itself, it now appears to be working fine. Will turn off power for now and continue tests on Tuesday. (note: turns out Mike told Dave about the problem and he solved it. No one knows what this interlock is for, but it used to be reset using the Global Reset button and now the RST button for the power supply should also reset it.)

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 ). Much more instability on the bias current readout (see attached screen shot), develops around 54kV. As well, the old supply read out 37uA at 60kV while the new supply reads out ~85uA. This could just be an EPICS read back issue though.

Attachment 1: vacuumbias_13022018.PNG

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.

Now up to 63kV, no sparks so far (5 mins). Left EE @ -3100V and EZL @ 28.5kV

There is the sound of a low level continuous discharge, like HV power lines, and a very strong ozone smell coming from the HV duct that sticks into the cage and carries the cables from the HV rack. Also seems to be present near the EE insulating standoff. Can't see anything though. Maybe just moisture in the air? Starts at 55kV on the bias, does not change with EE voltage.

Turned EZL up to 29kV, bias stable at 63kV for 11mins.

Sparks at 63.6kV in the EE spark gap, EE @ -3.1kV.

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 did.

Turned the bias up and again at 55kV I hear small sparks near the end of the HV duct that brings the cables from the rack. Cannot see anything. If it is really sparking where it sounds like sparking, it must be from the edge of the duct to the faraday cage.

Changing the EZL voltage and the EE voltage has no effect on where it starts sparking.

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. The best guess right now is that these are coronal discharges coming from the end of the HV duct to the faraday cage. The only way to fix this would be to round out the edges of the duct, or to move the duct farther away. Since I have heard small discharges in other places, we may need to make a variety of modifications. Things that have had no effect:

1. Changing the EZL/EE voltages - break down is happening only between HV bias and ground

2. Cleaning the faraday cage

3. Locating sparks with a thermal camera

4. Conditioning - break down always happens at the same point

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 appear on the EE read current. Ozone smell around 61kV, so there are still some discharges.

Turned back up to 62.5kV but no sparks. Put it up to 63.5kV and there was a spark, but not in the EE spark gap as expected. Took down TP1B but everything is back up and seems fine.

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