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Heat Shield W.O# down

Status

Subject

781

Thursday, January 30, 2020, 15:25

Conditioning C(#1) HS

Was for UC# 32* - Schedule change, now for C#1

Thursday, January 30, 2020, 15:13: Roughing.

Thursday, January 30, 2020, 15:46: Turbo pumps on.

Thursday, January 30, 2020, 15:50: IG1 on.

Friday, January 31, 2020, 08:14: Waterlines opened. No Vacuum response. Vacuum ok @ 6.10e-07T.

Friday, January 31, 2020, 08:16: Power / sources on

Friday, January 31, 2020, 08:18: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Monday, February 03, 2020, 12:56: Auto-cooling @ 2 A per min.

Wednesday, February 05, 2020, 09:07: Power / sources off. Waterlines purged. IG1 & turbo pumps off.

Friday, February 07, 2020, 11:45:

Short was found on the HS Lid from the TGHT on the left. Milled out 1/8" off both HS lid / TGHT gaps. Lots of clearance now. Reheat req'd.

Attachment 1: C#1_-_Short.docx

782

Friday, February 07, 2020, 14:02

Conditioning C#(1) HS

Was for UC# 32* - Schedule change, now for C#1* - Last HS conditioning revealed a TGHT to HS lid short. Milled the lid back 1/8" - Aaron S.

Friday, February 07, 2020, 14:00: Roughing.

Friday, February 07, 2020, 14:33: Turbo pumps on.

Friday, February 07, 2020, 14:38: IG1 on.

Monday, February 10, 2020, 07:39: HS waterlines opened. Vacuum ok @ 4.12e-07T.

Monday, February 10, 2020, 07:41: Power / sources on.

Monday, February 10, 2020, 07:43: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Monday, February 10, 2020, 13:01: Heating appears ok. No voltage abnormalities or short.

Monday, February 10, 2020, 13:02: Auto-Cooling @ 1 A per min.

Tuesday, February 11, 2020, 06:39: Power / Sources off.

Tuesday, February 11, 2020, 06:40: Waterlines purged. Nitrogen bottle @ 2100 PSI approx.

Tuesday, February 11, 2020, 06:42: IG1 off. Turbo pumps off.

Tuesday, February 11, 2020, 09:59: Venting.

Attachment 1: C#1_-_2.docx

794

Wednesday, June 10, 2020, 08:23

Salts:

Li - 10 uL

Na - 10 uL

K - 5 uL

Rb - 10 uL

Cs - 15 uL

Wednesday, June 10, 2020, 08:55: Roughing.

Wednesday, June 10, 2020, 09:30: Turbo pumps on.

Wednesday, June 10, 2020, 09:35: Ion gauge on.

Wednesday, June 10, 2020, 13:52: HS waterline opened. Vacuum ok @ 4.11e-06T.

Wednesday, June 10, 2020, 13:59: All main PS on. E-rig PS on. Optics on.

Device	Temp [C]	Flow [lpm]
HS + MSP	27.21	5.81
TBHT	27.04	8.83
COIL + EE	26.93	2.76
TGHT	27.04	6.58

Wednesday, June 10, 2020, 14:02: Sources on.

Thursday, June 11, 2020, 07:15: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Thursday, June 11, 2020, 07:29: IV4 opened. BIAS / EZL / EE @ 30 / 13 / -1.5 kV.

Thursday, June 11, 2020, 09:56: BIAS reduced to 20 kV due to sparking / out gassing. MB1 having issues?

Thursday, June 11, 2020, 14:24: Halted auto ramp due to the vacuum. TGHT @ 500 A. Vacuum @ 7.08e-06T.

Thursday, June 11, 2020, 14:26: TBHT reduced to 200 A.

Thursday, June 11, 2020, 19:09: Auto-cooling @ 1 A per min.

Friday, June 12, 2020, 10:43: Auto-ramping TGHT / TBHT to 300 / 150 A @ 2 A per min.

Monday, June 15, 2020, 03:00: Vacuum @ 2.66e-06T. TGHT / TBHT @ 300 / 150 A. Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Monday, June 15, 2020, 05:30: Tap up BIAS. BIAS / EZL / EE @ 30 / 13 / -1.5 kV. TGHT @ 512 A. Vacuum @ 6.11e-06T.

Monday, June 15, 2020, 06:46:

Device	Temp [C]	Flow [lpm]
HS + MSP	26.40	7.51
TBHT	26.08	10.15
COIL + EE	25.88	3.53
TGHT	26.06	7.31

Mass scans complete w/ TGHT / TBHT @ 512 / 230 A. 30 kV.

Mass, wire, & emittance scans taken on: M7, M23, M38, M86, M125.

Monday, June 15, 2020, 09:52: Auto-cooling @ 1 A per min.

Monday, June 15, 2020, 21:23: BIAS / EE / EZL @ 0 kV.

Tuesday, June 16, 2020, 06:57: IV4 closed & reset.

Tuesday, June 16, 2020, 07:00: Sources / Power off. IG1 off. Turbo pumps off.

Tuesday, June 16, 2020, 08:06: Waterlines purged. N bottle @ 1450 PSI. Venting.

Attachment 1: C#1_Conditioning.docx

Attachment 2: ER-512-230-30kV-m7.txt

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Attachment 3: ER-512-230-30kV-m23.txt

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Attachment 4: ER-512-230-30kV-m86.txt

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Attachment 5: ER-512-230-30kV-m125.txt

value (Voltage offset      40.0000)
     75.0000
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./emit.dat
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Attachment 6: ER-512-230-30kV-m38.txt

value (Voltage offset      40.0000)
     75.0000
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     95.0000
  29978.0220
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./emit.dat
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Attachment 7: C#1_Conditioning_-_R.docx

800

Monday, July 13, 2020, 14:52

Broken LP-FEBIAD used to out gas.

Monday, July 13, 2020, 14:52: Roughing.

Monday, July 13, 2020, 15:29: Turbo pumps on.

Monday, July 13, 2020, 15:34: Ion gauge on.

Tuesday, July 14, 2020, 06:44: Waterlines opened.

Tuesday, July 14, 2020, 06:47: Power / sources on.

Tuesday, July 14, 2020, 06:49: Auto-ramping TGHT to 580 A @ 2 A per min.

Tuesday, July 14, 2020, 14:15: Vacuum @ 2.59e-06T

Friday, July 17, 2020, 10:54: Auto-cooling @ 1 A per min.

Monday, July 20, 2020, 06:51: Power / sources off.

Monday, July 20, 2020, 06:52: Ion gauge / Turbo pumps off.

Monday, July 20, 2020, 06:53: Re-attached N bottle / regulator for purging.

Monday, July 20, 2020, 06:57: Waterlines Purged. N bottle @ 1300 PSI.

814

Wednesday, September 30, 2020, 06:23

Wednesday, September 30, 2020, 06:14: Power / sources on.

Wednesday, September 30, 2020, 06:17: Auto-ramping TGHT / TBHT to 300 / 150 A @ 3 A per min.

Wednesday, September 30, 2020, 06:22: Optics set (minus MB1).

Wednesday, September 30, 2020, 07:11: Pair of gradual vacuum spikes noticed. Up to 3.5e-06T & 2.6e-06T, then back down to 2.3e-06T.

Wednesday, September 30, 2020, 07:59: Auto-ramping TGHT / TBHT to 450 / 200 A @ 3 A per min.

Wednesday, September 30, 2020, 08:04: Abort auto-ramping. BIAS @ 10 kV. EZL Appears to have a short. EE up to -1.5 kV ok.

Wednesday, September 30, 2020, 08:11: BIAS back to 0 kV. Auto cooling @ 4A per min.

Wednesday, September 30, 2020, 09:21: Tap down TGHT to 0 from 40 A.

Wednesday, September 30, 2020, 09:22: Power/sources off.

Wednesday, September 30, 2020, 09:23: IG1 & Turbo pumps off.

Wednesday, September 30, 2020, 10:48: Venting.

Wednesday, September 30, 2020, 11:31: Wire found touching on EZL to chamber. Bypassed interlocks. EZL on. 200 V ok 500 V ok. Back to 0V.

Wednesday, September 30, 2020, 11:33: Bypasses removed.

Wednesday, September 30, 2020, 11:37: Roughing.

Wednesday, September 30, 2020, 12:22: Turbo pumps on.

Wednesday, September 30, 2020, 16:41: TGHT / TBHT to 10 / 10 A manually. BIAS / EE / EZL @ 1 / 0.1 / 1 kV. No shorts. Vacuum @ 2.60e-06T.

Wednesday, September 30, 2020, 16:47: HV & Heaters tapped back to 0 A & 0 kV.

Thursday, October 01, 2020, 05:27: Auto-ramping TGHT / TBHT to 150 / 75 A @ 3 A per min.

Thursday, October 01, 2020, 07:04: Auto-ramping TGHT / TBHT to 300 / 150 A @ 3 A per min.

Thursday, October 01, 2020, 07:29: Optics on. (MB1 Still interlocked but connected now)

Thursday, October 01, 2020, 07:38: BIAS / EE / EZL @ 30 / -1.5 / 13 kV

Thursday, October 01, 2020, 07:39: IV4 open.

Thursday, October 01, 2020, 07:55: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Thursday, October 01, 2020, 08:34: Voltage drops on BIAS. Auto ramping halted.

Thursday, October 01, 2020, 08:37: BIAS / EE / EZL @ 15 / -1.0 / 8.5 kV.

Thursday, October 01, 2020, 10:04: Auto-ramping TGHT / TBHT to 450 / 230 A @ 1 A per min.

Thursday, October 01, 2020, 11:13: Auto-ramping TGHT / TBHT to 580 / 230 A @ 1 A per min.

Thursday, October 01, 2020, 14:31: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. BIAS instability ongoing. although less than before. Initial RPM0A & RPM0B wire scans ok. MB1 Still interlocked.

Thursday, October 01, 2020, 14:42: BIAS current limit increased to 0.150 mA

Thursday, October 01, 2020, 16:24: BIAS / EE / EZL @ 20 / -1.5 / 6.5 kV.

Friday, October 02, 2020, 09:55: BIAS / EE / EZL @ 25 / -1.5 / 10 kV.

Friday, October 02, 2020, 10:43: Spark* Tripped Optics, IV4 & TP1A. Optics reset. Trouble on IV4 & TP1A

Friday, October 02, 2020, 10:58: IV4 reset. TP1A not back yet.

Friday, October 02, 2020, 11:22: TP1A reset and on.

Friday, October 02, 2020, 12:19: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Friday, October 02, 2020, 13:58: HV to 0 kV

Friday, October 02, 2020, 14:00: Auto-Cooling @ 1 A per min.

Tuesday, October 13, 2020, 08:07: Power / sources off. HS Waterlines purged.

Tuesday, October 13, 2020, 08:09: IG1 off. Turbo pumps off.

Tuesday, October 13, 2020, 10:31: Venting.

Attachment 1: C#2_-_Short_-_EZL.docx

Attachment 2: C#2_Conditioning.docx

Attachment 3: ITW-TM2-C#2-LP-SIS_Test_Stand.docx

784

Wednesday, February 12, 2020, 11:04

Using a broken LP-FEBIAD oven for out gassing. Tentative UC#31*

Wednesday, February 12, 2020, 10:57: Roughing.

Wednesday, February 12, 2020, 11:30: Turbo pumps on.

Thursday, February 13, 2020, 07:19: Waterlines opened. Vacuum ok @ 6.91e-07T.

Thursday, February 13, 2020, 07:22: Power / Sources on. TGHT only.

Thursday, February 13, 2020, 07:25: Auto-ramping TGHT @ 2A per min to 580 A.

Friday, February 14, 2020, 14:03: Auto-cooling @ 1 A per min.

Thursday, February 20, 2020, 07:33: PS, sources off, locked out.

Thursday, February 20, 2020, 07:34: Turbo pumps & IG1 off.

Thursday, February 20, 2020, 07:35: Waterlines purged. Nitrogen Bottle around 2050 PSI.

Thursday, February 20, 2020, 09:22: Venting.

Attachment 1: UC#31.docx

816

Friday, October 16, 2020, 11:33

Friday, October 16, 2020, 11:11: Roughing.

Friday, October 16, 2020, 11:39: TP1B on.

Friday, October 16, 2020, 12:29: TP1A on.

Monday, October 19, 2020, 07:59: Waterlines opened. Vacuum ok @ 6.20e-07T

Monday, October 19, 2020, 08:01: Power / Sources on.

Monday, October 19, 2020, 08:02: Auto-ramping TGHT / TBHT to 350 / 150 A @ 2 A per min.

Monday, October 19, 2020, 08:03: IV4 opened.

Device	Temp [C]	Flow [lpm]
HS + MSP	23.43	5.86
TBHT	23.34	8.52
COIL + EE	23.36	2.65
TGHT	23.27	6.45

Monday, October 19, 2020, 08:09: Optics on / set.

Monday, October 19, 2020, 08:16: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Monday, October 19, 2020, 12:47: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Monday, October 19, 2020, 15:50: Initial wire scans were good. MB1 requires a polarity reversal

Monday, October 19, 2020, 16:00: Auto-cooling TGHT / TBHT to 300 / 10 A @ 1 A per min. Stop manually.

Monday, October 19, 2020, 18:11: TBHT @ 100 A halt. Auto-cooling TGHT to 300 @ 1 A per min. Stop manually.

Monday, October 19, 2020, 19:16: TGHT @ 300 A halt.

Tuesday, October 20, 2020, 06:15: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Tuesday, October 20, 2020, 09:30: HV off. IV4 closed. Switching MB1 polarity.

Tuesday, October 20, 2020, 13:30: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. MB1 on

Tuesday, October 20, 2020, 14:10: Mass scans working

Tuesday, October 20, 2020, 14:17:

Device	Temp [C]	Flow [lpm]
HS + MSP	24.64	5.87
TBHT	24.29	8.76
COIL + EE	24.07	2.71
TGHT	24.25	6.54

Tuesday, October 20, 2020, 15:15: IV4 opened.

Thursday, October 22, 2020, 11:35: HV to 0 kV.

Thursday, October 22, 2020, 11:36: Auto-cooling @ 1 A per min.

Monday, October 26, 2020, 11:40: IV4 closed / reset

Monday, October 26, 2020, 11:41: PS off.

Monday, October 26, 2020, 11:42: IG1 / Turbo pumps off. Purging waterlines.

Monday, October 26, 2020, 13:00: Venting.

Attachment 1: Ta#61.docx

Attachment 2: ITE-TM4-Ta#61-LP-SIS_Test_Stand.docx

Attachment 3: ER-580-230-30kV-M133.txt

value (Voltage offset      40.0000)
     75.0000
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21
21
./emit.dat
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 -0.0854 -0.0784 -0.0854 -0.0720 -0.0671 -0.0546 0.1855 0.1309 -0.0748 -0.0711 -0.0702 -0.0714 -0.0708 -0.0696 -0.0705 -0.0726 -0.0684 -0.0726 -0.0745 -0.0696 -0.0702
 -0.0839 -0.0656 -0.0583 -0.0677 -0.0690 -0.0665 -0.0610 -0.0452 0.4224 -0.0671 -0.0690 -0.0693 -0.0714 -0.0681 -0.0674 -0.0717 -0.0693 -0.0662 -0.0665 -0.0674 -0.0717
 -0.0824 -0.0705 -0.0677 -0.0693 -0.0702 -0.0671 -0.0693 -0.0699 -0.0598 0.0613 0.5127 -0.0662 -0.0723 -0.0717 -0.0693 -0.0705 -0.0696 -0.0696 -0.0711 -0.0693 -0.0726
 -0.0818 -0.0705 -0.0696 -0.0677 -0.0690 -0.0693 -0.0702 -0.0696 -0.0702 -0.0677 -0.0558 0.1892 0.0259 -0.0720 -0.0708 -0.0723 -0.0696 -0.0705 -0.0732 -0.0696 -0.0723
 -0.0824 -0.0659 -0.0693 -0.0684 -0.0693 -0.0702 -0.0690 -0.0696 -0.0665 -0.0708 -0.0677 -0.0662 -0.0418 0.5542 -0.0183 -0.0708 -0.0723 -0.0732 -0.0687 -0.0702 -0.0714
 -0.0836 -0.0665 -0.0684 -0.0693 -0.0677 -0.0684 -0.0684 -0.0684 -0.0653 -0.0705 -0.0818 -0.0677 -0.0684 -0.0583 -0.0208 0.2951 -0.0677 -0.0693 -0.0699 -0.0684 -0.0702
 -0.0815 -0.0684 -0.0653 -0.0677 -0.0677 -0.0687 -0.0684 -0.0671 -0.0681 -0.0699 -0.0665 -0.0687 -0.0690 -0.0671 -0.0671 -0.0537 0.3214 0.1694 -0.0659 -0.0681 -0.0717
 -0.0790 -0.0699 -0.0684 -0.0690 -0.0702 -0.0674 -0.0693 -0.0668 -0.0668 -0.0690 -0.0793 -0.0684 -0.0696 -0.0711 -0.0690 -0.0677 -0.0665 -0.0540 0.5020 -0.0330 -0.0714
 -0.0803 -0.0687 -0.0696 -0.0674 -0.0702 -0.0684 -0.0690 -0.0677 -0.0690 -0.0699 -0.0787 -0.0674 -0.0677 -0.0681 -0.0677 -0.0708 -0.0693 -0.0656 -0.0574 0.0818 0.2869
 -0.0824 -0.0665 -0.0705 -0.0681 -0.0674 -0.0668 -0.0668 -0.0702 -0.0674 -0.0693 -0.0742 -0.0659 -0.0677 -0.0681 -0.0674 -0.0693 -0.0684 -0.0681 -0.0677 -0.0656 -0.0595
 -0.0827 -0.0674 -0.0671 -0.0665 -0.0641 -0.0681 -0.0674 -0.0684 -0.0647 -0.0714 -0.0778 -0.0681 -0.0677 -0.0671 -0.0684 -0.0671 -0.0684 -0.0687 -0.0690 -0.0674 -0.0681
 -0.0824 -0.0684 -0.0653 -0.0684 -0.0668 -0.0684 -0.0693 -0.0659 -0.0668 -0.0702 -0.0668 -0.0671 -0.0693 -0.0690 -0.0684 -0.0665 -0.0665 -0.0674 -0.0684 -0.0674 -0.0726
 -0.0806 -0.0687 -0.0674 -0.0684 -0.0708 -0.0671 -0.0690 -0.0677 -0.0674 -0.0677 -0.0824 -0.0684 -0.0702 -0.0665 -0.0690 -0.0693 -0.0681 -0.0677 -0.0708 -0.0671 -0.0711
 -0.0818 -0.0668 -0.0696 -0.0681 -0.0681 -0.0668 -0.0665 -0.0684 -0.0668 -0.0693 -0.0644 -0.0687 -0.0690 -0.0684 -0.0684 -0.0699 -0.0684 -0.0684 -0.0705 -0.0677 -0.0708
 -0.0821 -0.0656 -0.0677 -0.0665 -0.0656 -0.0671 -0.0662 -0.0671 -0.0656 -0.0687 -0.0821 -0.0659 -0.0668 -0.0668 -0.0677 -0.0681 -0.0677 -0.0690 -0.0674 -0.0681 -0.0708
 -0.0839 -0.0684 -0.0656 -0.0674 -0.0653 -0.0671 -0.0674 -0.0659 -0.0659 -0.0687 -0.0656 -0.0693 -0.0659 -0.0690 -0.0665 -0.0665 -0.0677 -0.0671 -0.0662 -0.0677 -0.0674
 -0.0821 -0.0684 -0.0671 -0.0702 -0.0671 -0.0671 -0.0681 -0.0671 -0.0671 -0.0693 -0.0748 -0.0665 -0.0684 -0.0668 -0.0677 -0.0656 -0.0677 -0.0681 -0.0653 -0.0681 -0.0711
 -0.0815 -0.0668 -0.0671 -0.0665 -0.0687 -0.0681 -0.0674 -0.0656 -0.0717 -0.0674 -0.0693 -0.0677 -0.0684 -0.0665 -0.0668 -0.0705 -0.0690 -0.0671 -0.0690 -0.0665 -0.0720
 -0.0815 -0.0665 -0.0674 -0.0659 -0.0671 -0.0668 -0.0662 -0.0653 -0.0681 -0.0668 -0.0644 -0.0647 -0.0677 -0.0681 -0.0662 -0.0699 -0.0677 -0.0671 -0.0677 -0.0665 -0.0708
 -0.0818 -0.0659 -0.0677 -0.0665 -0.0677 -0.0659 -0.0650 -0.0677 -0.0674 -0.0690 -0.0815 -0.0656 -0.0647 -0.0659 -0.0659 -0.0665 -0.0662 -0.0681 -0.0677 -0.0677 -0.0696

Attachment 4: ER-580-230-30kV-M28.txt

value (Voltage offset      40.0000)
     75.0000
      1.0000
     95.0000
  29992.6740
21
21
./emit.dat
 -0.4572 -0.0729 -0.0775 -0.0739 0.0317 0.4523 -0.0815 -0.0772 -0.0763 -0.0757 -0.0836 -0.0766 -0.0754 -0.0775 -0.0757 -0.0815 -0.0772 -0.0742 -0.0732 -0.0766 -0.0879
 -0.0876 -0.0684 -0.0677 -0.0778 -0.0690 -0.0323 0.6406 0.1349 -0.0745 -0.0726 -0.0711 -0.0735 -0.0693 -0.0690 -0.0717 -0.0784 -0.0720 -0.0714 -0.0693 -0.0708 -0.0854
 -0.0854 -0.0684 -0.0656 -0.0586 -0.0684 -0.0623 -0.0510 -0.0015 0.7645 -0.0690 -0.0757 -0.0739 -0.0720 -0.0690 -0.0702 -0.0775 -0.0717 -0.0717 -0.0690 -0.0677 -0.0858
 -0.0842 -0.0693 -0.0726 -0.0708 -0.0720 -0.0687 -0.0677 -0.0607 -0.0446 0.4160 0.5560 -0.0735 -0.0726 -0.0717 -0.0705 -0.0775 -0.0708 -0.0708 -0.0717 -0.0674 -0.0842
 -0.0867 -0.0687 -0.0699 -0.0720 -0.0708 -0.0708 -0.0720 -0.0748 -0.0653 -0.0629 -0.0436 0.6152 0.0015 -0.0763 -0.0711 -0.0781 -0.0720 -0.0696 -0.0696 -0.0714 -0.0821
 -0.0864 -0.0696 -0.0671 -0.0705 -0.0757 -0.0711 -0.0708 -0.0714 -0.0693 -0.0714 -0.0677 -0.0552 0.1242 0.8890 -0.0266 -0.0763 -0.0674 -0.0708 -0.0702 -0.0717 -0.0842
 -0.0842 -0.0684 -0.0668 -0.0677 -0.0708 -0.0693 -0.0684 -0.0699 -0.0696 -0.0690 -0.0690 -0.0677 -0.0650 -0.0494 0.2213 0.2356 -0.0684 -0.0684 -0.0705 -0.0681 -0.0870
 -0.0839 -0.0681 -0.0687 -0.0662 -0.0699 -0.0702 -0.0696 -0.0671 -0.0690 -0.0708 -0.0790 -0.0702 -0.0659 -0.0687 -0.0629 -0.0314 0.7687 0.1627 -0.0684 -0.0693 -0.0867
 -0.0833 -0.0687 -0.0693 -0.0677 -0.0696 -0.0699 -0.0702 -0.0681 -0.0677 -0.0723 -0.0787 -0.0702 -0.0681 -0.0693 -0.0668 -0.0729 -0.0546 0.0003 0.5444 -0.0256 -0.0836
 -0.0848 -0.0671 -0.0665 -0.0693 -0.0681 -0.0699 -0.0693 -0.0705 -0.0690 -0.0702 -0.0830 -0.0690 -0.0693 -0.0711 -0.0681 -0.0769 -0.0687 -0.0677 -0.0476 0.4987 0.2927
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 -0.0824 -0.0671 -0.0696 -0.0659 -0.0665 -0.0671 -0.0665 -0.0665 -0.0720 -0.0711 -0.0681 -0.0699 -0.0668 -0.0696 -0.0681 -0.0751 -0.0671 -0.0696 -0.0693 -0.0705 -0.0824
 -0.0818 -0.0671 -0.0684 -0.0684 -0.0699 -0.0687 -0.0668 -0.0693 -0.0671 -0.0711 -0.0699 -0.0690 -0.0693 -0.0702 -0.0681 -0.0775 -0.0677 -0.0699 -0.0711 -0.0684 -0.0827
 -0.0839 -0.0665 -0.0690 -0.0690 -0.0668 -0.0674 -0.0671 -0.0690 -0.0644 -0.0690 -0.0818 -0.0662 -0.0696 -0.0708 -0.0690 -0.0760 -0.0690 -0.0696 -0.0684 -0.0699 -0.0806
 -0.0836 -0.0665 -0.0684 -0.0662 -0.0735 -0.0653 -0.0644 -0.0681 -0.0665 -0.0653 -0.0778 -0.0671 -0.0677 -0.0702 -0.0705 -0.0751 -0.0714 -0.0668 -0.0693 -0.0708 -0.0845
 -0.0830 -0.0687 -0.0668 -0.0656 -0.0708 -0.0653 -0.0653 -0.0687 -0.0681 -0.0665 -0.0659 -0.0656 -0.0659 -0.0690 -0.0696 -0.0720 -0.0702 -0.0684 -0.0684 -0.0705 -0.0809
 -0.0809 -0.0693 -0.0674 -0.0684 -0.0659 -0.0677 -0.0665 -0.0681 -0.0668 -0.0668 -0.0644 -0.0681 -0.0668 -0.0681 -0.0656 -0.0729 -0.0668 -0.0693 -0.0665 -0.0684 -0.0827
 -0.0821 -0.0677 -0.0684 -0.0677 -0.0705 -0.0687 -0.0671 -0.0687 -0.0668 -0.0684 -0.0684 -0.0665 -0.0684 -0.0656 -0.0641 -0.0732 -0.0681 -0.0696 -0.0693 -0.0671 -0.0827
 -0.0836 -0.0665 -0.0690 -0.0674 -0.0653 -0.0662 -0.0668 -0.0684 -0.0653 -0.0690 -0.0711 -0.0668 -0.0662 -0.0665 -0.0635 -0.0739 -0.0653 -0.0647 -0.0690 -0.0684 -0.0839
 -0.0839 -0.0677 -0.0677 -0.0656 -0.0659 -0.0650 -0.0656 -0.0714 -0.0674 -0.0665 -0.0699 -0.0662 -0.0656 -0.0674 -0.0656 -0.0726 -0.0671 -0.0656 -0.0693 -0.0687 -0.0821

793

Tuesday, May 19, 2020, 06:01

Aaron Schmidt

42972-8

Problems/Solutions

Leak check / Troubleshoot

https://elog.triumf.ca/TIS/Test-Stand/791

https://elog.triumf.ca/TIS/Test-Stand/792

Tuesday, May 19, 2020, 06:01: Venting.

Troubleshoot / Leak Check ISAC TS.

Tuesday, May 19, 2020, 06:35: Quite a bit of condensation was found inside the TS. Most lines had water on them.

Tuesday, May 19, 2020, 07:09: Wiped out the interior. Running a fan inside to aid in the drying.

Tuesday, May 19, 2020, 08:20:

Opened lines FS#2,3,4. No visual leaks detected.

Installed previously used/outgassed HS (Ferran's tests). Replaced all the bolts.

Roughing.

Tuesday, May 19, 2020, 08:32: Multiple attempts made to rough. Doors not sealing?

Tuesday, May 19, 2020, 08:58: IT FINALLY SEALED!!! (Assistance was provided on the doors)

Tuesday, May 19, 2020, 09:02: BV1B Open.

Tuesday, May 19, 2020, 10:54: Vacuum @ 15.339 T.

Tuesday, May 19, 2020, 10:59: FS#2 opened.

Tuesday, May 19, 2020, 11:02: Vacuum @ 15.069 T.

Tuesday, May 19, 2020, 11:03: FS#3 opened.

Tuesday, May 19, 2020, 11:06; Vacuum @ 15.069 T

Tuesday, May 19, 2020, 11:07: FS#4 opened.

Tuesday, May 19, 2020, 11:10: Vacuum @ 15.069 T.

Tuesday, May 19, 2020, 11:11: FS#5 Opened.

Tuesday, May 19, 2020, 11:13: Vacuum @ 15.069 T.

Tuesday, May 19, 2020, 11:30: Close & purge cooling lines. Observe Vacuum.

Left open overnight. Ran the fan on it this morning.

All water lines into the TS closed. FS# 2,3,4,5, & 8.

Wednesday, May 20, 2020, 08:35: Roughing.

Wednesday, May 20, 2020, 08:50: BV1B open. Vacuum at 8 T and dropping.

Wednesday, May 20, 2020, 10:12: Vacuum at 2.635 T.

Wednesday, May 20, 2020, 10:14: FS#2 opened.

Wednesday, May 20, 2020, 10:17: Vacuum @ 2.646 T.

Wednesday, May 20, 2020, 10:19: FS#3 opened.

Wednesday, May 20, 2020, 10:24: Vacuum @ 2.764 T

Wednesday, May 20, 2020, 10:25: FS#4 opened.

Gradual increase is noted, but no obvious spike.

Wednesday, May 20, 2020, 10:28: Vacuum @ 2.816 T.

Wednesday, May 20, 2020, 10:32: Vacuum @ 3.606 T.

Starting to spike.

Wednesday, May 20, 2020, 10:36: Closed supply / return. Purged. Closed the lines Vacuum @ 4.173 T.

Wednesday, May 20, 2020, 10:54: Vacuum @ 3.984 T.

Wednesday, May 20, 2020, 10:58: FS#2 opened.

Wednesday, May 20, 2020, 11:10: Vacuum @ 3.858 T.

Wednesday, May 20, 2020, 11:11: FS#3 opened. Vacuum spiking 4.3T +

Wednesday, May 20, 2020, 11:15: Closed supply / return. Purged. Closed the lines Vacuum @ 4.614 T.

Wednesday, May 20, 2020, 11:47: Venting.

Wednesday, May 20, 2020, 13:12: Significant leak discovered on FS#3. Pressurized the lines to full pressure with water and waited 15 minutes. Small drops seen pushing out from the water block.

Removed old O-ring (Appeared to have a warp/bulge, very faint) Replaced with Sn C-Seal "Small Package" MIL-DTL-117H-TII C-E S-I / MIL-PRF-131K C-II.

T= 0.095"

D= 0.424"

Wednesday, May 20, 2020, 14:02: Roughing.

Wednesday, May 20, 2020, 14:08: BV1B open.

Wednesday, May 20, 2020, 15:28: Vacuum @ 1.242 T

Wednesday, May 20, 2020, 15:29: Open FS#3.

Wednesday, May 20, 2020, 15:31: Close FS#3 supply / return. Purged. Closed the lines Vacuum @ 2.462 T.

Wednesday, May 20, 2020, 15:42: Start venting to 200 T.

Removed Right coil line on FS#3 and blanked it off (G) (H).

Monday, May 25, 2020, 14:00: Roughing.

Monday, May 25, 2020, 14:02: BV1B open.

Monday, May 25, 2020, 15:16: Turbo pumps on.

Monday, May 25, 2020, 15:25: Ion gauge on.

Wednesday, May 27, 2020, 10:28: Ion gauge & turbo pumps off.

FS#(G)(H) right coil line - Lower G water block replaced leak checked / cleaned.

Line re-installed.

Wednesday, May 27, 2020, 12:56: Roughing.

Wednesday, May 27, 2020, 13:39: Turbo pumps on.

Wednesday, May 27, 2020, 13:47: Ion gauge on.

Monday, June 01, 2020, 06:47: Vacuum @ 5.12e-06T

Monday, June 01, 2020, 06:50: FS#3 opened. Vacuum @ 5.12e-06T.

Monday, June 01, 2020, 06:57: FS#2 opened. Vacuum @ 5.12e-06T.

Monday, June 01, 2020, 07:01: FS#4 opened. Vacuum @ 5.12e-06T.

Monday, June 01, 2020, 07:04: FS#5 opened. Vacuum @ 5.10e-06T.

Monday, June 01, 2020, 07:12: PS on

Monday, June 01, 2020, 07:15: FS#8 opened. Vacuum @ 5.03e-06T.

Monday, June 01, 2020, 07:16: Sources on.

Monday, June 01, 2020, 07:18: Auto-ramping TGHT / TBHT to 300 / 150 A @ 2 A per min. Vacuum limits adjusted:

7.000e-06 Vacuum ok, increment when less than this value.

8.000e-06 Vacuum exceeds, the last increment on TGHT / TBHT is backed off.

Monday, June 01, 2020, 09:17: Halt, adjust. Continue Auto-ramping TGHT / TBHT to 350 / 200 A @ 2 A per min.Vacuum @5.19 e-06T

Monday, June 01, 2020, 10:37: Auto-ramping TGHT / TBHT to 400 / 200 A @ 2 A per min.Vacuum @ 6.29e-06T.

Monday, June 01, 2020, 11:05: Auto-ramping TGHT / TBHT to 450 / 200 A @ 2 A per min.Vacuum @ 6.70e-06T.

Monday, June 01, 2020, 12:18: Tripped* restarted* Auto-ramping TGHT / TBHT to 350 / 150 A @ 4 A per min.Vacuum @ 6.70e-06T.

Tripped as the TGHT / TBHT "good vac" interlock is at 7.30e-06T.

Monday, June 01, 2020, 17:10: Lowered TGHT to 325A to avoid a trip and continue outgassing. Vacuum @ 7.00e-06T.

Tuesday, June 02, 2020, 06:06: Manually tap TGHT up to 350 A.

Tuesday, June 02, 2020, 06:39: Manually tap TGHT up to 375 A.

Wednesday, June 03, 2020, 09:37: Manually tap TGHT up to 400 A. Vacuum, @ 6.68e-06T.

Wednesday, June 03, 2020, 09:44: Manually tap TGHT up to 400 A. Vacuum, @ 6.90e-06T.

Wednesday, June 03, 2020, 10:45: Tripped* restarted* Auto-ramping TGHT / TBHT to 400 / 200 A @ 4 A per min.Vacuum @ 5.53e-06T.

Friday, June 05, 2020, 06:19: Manually tap TGHT up to 425 A.

Tuesday, June 09, 2020, 19:57: Auto-Cooling from 475 A to 0 A @ 1 A per min.

Wednesday, June 10, 2020, 06:32: PS off. Ion Gauge off. Turbo pumps off.

Attachment 1: May_19-20_Leak_check_-_FS#3.docx

Attachment 2: Mess_inside_TS_-_1.jpg

Attachment 3: Mess_inside_TS_-_2.jpg

Attachment 4: Block_water_leak_visible.jpg

1002

Tuesday, April 09, 2024, 16:01

Conditioning empty FEBIAD for online use

Tuesday, April 09, 2024, 15:25: Roughing.

Wednesday, April 10, 2024, 05:41: TP1B on.

Wednesday, April 10, 2024, 05:47: TP1A on.

Wednesday, April 10, 2024, 06:01: IG1 on.

Wednesday, April 10, 2024, 12:21: Waterline FS#5 open. Vacuum stable @ 1.23e-06T.

Wednesday, April 10, 2024, 12:25: Power / sources on.

Wednesday, April 10, 2024, 12:32: TGHT / TBHT @ 5/5A tapped up & back down manually. Ok.

Wednesday, April 10, 2024, 12:33: Anode @ 25 V, Coil @ 10 A. Tapped up & down manually. Ok.

Wednesday, April 10, 2024, 12:35: BIAS / EE / EZL @ 1 / -0.5 / 1 kV. Tapped up & down manually. Ok.

Wednesday, April 10, 2024, 12:37: Vacuum @ 1.19e-06T. Ok, but will allow to drop further.

Thursday, April 11, 2024, 10:21: Gas lines open.

Thursday, April 11, 2024, 10:34: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, April 11, 2024, 10:38: BIAS / EE / EZL @ 40 / -2.0 / 17 kV.

Thursday, April 11, 2024, 10:41: Significant sparking for about 5 seconds. BIAS / EE / EZL @ 43 / -2.0 / 19 kV.

Thursday, April 11, 2024, 10:42: BIAS / EE / EZL @ 45 / -2.0 / 19 kV.

Thursday, April 11, 2024, 10:46: BIAS / EE / EZL @ 47.5 / -2.2 / 22 kV. Sparking again. On the spark gap.

Thursday, April 11, 2024, 10:56: BIAS / EE / EZL @ 50 / -2.5 / 25 kV.

Thursday, April 11, 2024, 11:26: 30 minutes @ 50 kV. 2 sparks in that time. The second spark tripped the optics & IG6. They were reset.

Thursday, April 11, 2024, 11:31: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, April 11, 2024, 11:38: HV tapped to 0 kV.

Thursday, April 11, 2024, 11:39: Vacuum @ 8.27e-07T.

Thursday, April 11, 2024, 13:03: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. Vacuum @ 8.16e-07T.

Thursday, April 11, 2024, 13:26: Coil @ 80 A. Tapped up manually at 4 A per min approx.

Thursday, April 11, 2024, 13:28: Vacuum @ 1.01e-06T

Thursday, April 11, 2024, 13:57: Vacuum @ 2.96e-06T

Thursday, April 11, 2024, 14:19: Coil @ 0 A.

Thursday, April 11, 2024, 14:21: Anode @ 100 V.

Thursday, April 11, 2024, 14:22: Anode @ 200 V.

Thursday, April 11, 2024, 14:24: Anode @ 500 V.

Thursday, April 11, 2024, 14:28: Anode @ 0 V.

Thursday, April 11, 2024, 14:32: HV to 0 kV.

Friday, April 12, 2024, 06:30: Auto-ramping TGHT / TBHT to 580 / 290 A @ 2 A per min.

Friday, April 12, 2024, 13:23: Auto-ramping aborted. TGHT @ 556 A, Vacuum @ 4.94e-06T. Allow 20 min for stabilization.

Friday, April 12, 2024, 13:44: Auto-ramping TGHT to 580 A @ 2 A per min. Vacuum @ 4.57e-06T.

Friday, April 12, 2024, 14:15: Aborted auto-ramp. Vacuum @ 5.20e-06T. Will manually tap up.

Friday, April 12, 2024, 14:32: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. Vacuum @ 5.31e-06T. The extraction electrode is acting up. Doubling the voltage on what is input. Add 50 V on the slider, 100 V will go to the readback.

Friday, April 12, 2024, 14:49: HV back to 0 kV.

Friday, April 12, 2024, 15:12: EE Troubleshooting. Cage open & multiple tests to adjust the voltage.

Friday, April 12, 2024, 15:19: Auto-cooling @ -2 A per min

Attachment 1: EE_issue_-_Conditioning_LP-FEBIAD_ITW-TM4.docx

Attachment 2: 2024_-_ITW-_TM4_LP_FEBIAD.docx

1004

Wednesday, April 17, 2024, 14:16

Conditioning empty FEBIAD for online use - Run 2

https://elog.triumf.ca/TIS/Test-Stand/1003

EE Issue resolved. TS closed up.

Wednesday, April 17, 2024, 14:08: IV4 opened. Vacuum @ 5.26e-07T.

Wednesday, April 17, 2024, 14:12: TGHT / TBHT manually tapped up to 5 / 5 A.

Wednesday, April 17, 2024, 14:13: BIAS / EE / EZL @ 2.5 / -1.0 / 1.0 kV. Ok.

Wednesday, April 17, 2024, 14:15: Anode to 100 V. Ok. Coil PS is still.

Wednesday, April 17, 2024, 14:19: Rear cage reopened. Coil PS on. Coil @ 5 A. Ok. Gas on in the morning.

Wednesday, April 17, 2024, 14:21: Auto-ramping TGHT / TBHT to 350 / 150 A @ 2 A per min. Coil back to 0 A.

Thursday, April 18, 2024, 05:57: Auto-ramping TGHT / TBHT to 580 / 290 A @ 2 A per min.

Thursday, April 18, 2024, 08:26: Gas lines purged & reopened full of Ar.

Thursday, April 18, 2024, 08:39: Optics set with common tune.

Thursday, April 18, 2024, 08:48: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, April 18, 2024, 08:50: Begin mass & wire scans w/o Anode & Coil

Thursday, April 18, 2024, 08:55: MB1 appears to be tripped & out of sync.

Thursday, April 18, 2024, 08:57: Switched MB1 PS off, controller off. Restart them. PS on, then controller. Reset on epics & Can Diagnostics TMS:HallMB1 (cfg)

Thursday, April 18, 2024, 08:59: MB1 ready. Continue testing / mass scan.

Thursday, April 18, 2024, 09:37: Anode to 100 V. Coil to 20 A.

Thursday, April 18, 2024, 10:15: Set optics to Dave's previous tune.

Thursday, April 18, 2024, 10:49: Primary mass & wire scans set complete.

Thursday, April 18, 2024, 11:01: Anode & Coil to 0. Scanning w/ Dave's previous tune.

Thursday, April 18, 2024, 11:52: BIAS / EE / EZL to 0 kV. Gas lines closed. IV4 closed.

Thursday, April 18, 2024, 11:53: Begin auto-cooling @ 2 A per min.

Friday, April 19, 2024, 06:56: Power off. IG1 off. TP1B & TP1A off.

Friday, April 19, 2024, 09:03: VV1 open - venting

Attachment 1: 2024_-_ITW-_TM4_LP_FEBIAD_-_2.docx

719

Friday, April 26, 2019, 13:45

Conditioning Ta#58 HS

Friday, April 26, 2019, 13:43: Roughing.

Friday, April 26, 2019, 14:12: Turbo pumps on.

Friday, April 26, 2019, 14:58: RGA on.

Monday, May 06, 2019, 07:05: RGA restarted.

Monday, May 06, 2019, 07:10: Waterlines opened. Vacuum ok @ 5.13e-07T. No response on the RGA.

Monday, May 06, 2019, 07:16: Power / sources on.

Monday, May 06, 2019, 07:20: Optics set.

Monday, May 06, 2019, 07:23: Auto-ramping TGHT / TBHT to 575 / 200 A @ 2A per min.

Monday, May 06, 2019, 07:28: IV4 opened. Initial attempt to open IV4 unsuccessful - Timed out. Reset.

Monday, May 06, 2019, 07:39: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Monday, May 06, 2019, 07:57: Reset DaqPro. Ref data sheet.

Device	Temp [C]	Flow [lpm]
HS + MSP	25.8	5.52
TBHT	25.7	7.93
COIL + EE	25.6	1.92
TGHT	25.70	6.29

Monday, May 06, 2019, 09:07: TBHT at 200A ok. Halt auto ramp. Set TBHT. Cont'd auto-ramping TGHT / TBHT to 575 / 230 A @ 2A per min.

Monday, May 06, 2019, 09:47: RGA restarted. Updates?

RGA timed out around 10:30.

Monday, May 06, 2019, 11:00: RGA error. Initial communications errors, would not connect. Restarted the computer and allowed updates to take effect. EM7 error displayed.

Monday, May 06, 2019, 11:27: RGA restarted.

Monday, May 06, 2019, 13:10: EZL to 14.3 kV

Monday, May 06, 2019, 14:48 :

Device	Temp [C]	Flow [lpm]
HS + MSP	27.4	7.78
TBHT	27.0	10.30
COIL + EE	26.8	3.01
TGHT	27.1	7.09

Tuesday, May 07, 2019, 07:26: Noticed a discrepancy on the mass scan. The mass peaks appear to have moved further along the mass / q. They are identical to what we used to see on previous scans, just further down the line. A calibration / scaling may be appropriate.

Element	Mass	Mass/q	Beam Current
Lithium	6.941	7.508	1.04401e-10
Sodium	22.9897	27.556	9.85687e-10
Mass 27 (Al)	26.9815	32.2943	2.97834e-08
Potassium	39.0983	46.3293	7.49146e-10
	(peak 2)	47.6191	1.568e-10
Rubidium	85.4678	100.355	2.79327e-10
	(peak 2)	102.904	1.04431e-10
Cesium	132.9055	156.6	8.6103e-10
	(peak 2)	162.532	2.4408e-10

The discrepancy appears to get larger the further we move along the masses.

Tuesday, May 07, 2019, 07:39: Auto-cooling @ 2 A per min to TGHT / TBHT @ 350 / 0 A. Check around 9:20am.

Tuesday, May 07, 2019, 09:30: Auto-cooled to TGHT / TBHT @ 350 / 0 A.

Tuesday, May 07, 2019, 11:06: Auto-cooling @ 2A per min.

Tuesday, May 07, 2019, 11:09: Auto-cooling @ 4A per min.

Tuesday, May 07, 2019, 12:51: Power / sources off. IV4 closed / reset. RGA off.

Tuesday, May 07, 2019, 12:54: Turbo pumps off.

Tuesday, May 07, 2019, 14:00: Venting.

Attachment 1: Ta#58.docx

Attachment 2: TS-2019-04-26-14-56.rga

Attachment 3: TS-2019-05-03-11-21.rga

Attachment 4: TS-2019-05-06-07-05.rga

Attachment 5: TS-2019-05-06-09-47.rga

Attachment 6: TS-2019-05-06-10-57.rga

Attachment 7: ITE-TM2-Ta#58-LP-SIS_Test_Stand.docx

1026

Tuesday, October 29, 2024, 18:25

Aaron Schmidt

UC#46 (assembly only)

Conditioning UC#46 Assembly

42972-6 Base / 39956-1 Lid

Tuesday, October 29, 2024, 18:20: Roughing.

Tuesday, October 29, 2024, 18:52: TP1B on.

Tuesday, October 29, 2024, 18:58: TP1A on.

Tuesday, October 29, 2024, 19:06: IG1 on.

Wednesday, October 30, 2024, 07:23: Vacuum @ 8.25e-07T. Waterline FS#5 open.

Wednesday, October 30, 2024, 07:25: Power on.

Wednesday, October 30, 2024, 07:32: PS for TGHT keeps timing out? Goes red. Won't start.

Tapped up TBHT to 10 A. TGHT?

Wednesday, October 30, 2024, 08:20: Manually cycled the PS. No longer trips.

Tapped up TGHT to 5 A. OK

Wednesday, October 30, 2024, 08:26: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Wednesday, October 30, 2024, 14:32: Auto-cooling @ 2 A per min.

Thursday, October 31, 2024, 08:30: TP/ IG1 off.

Thursday, October 31, 2024, 12:52: Venting.

738

Wednesday, June 26, 2019, 11:34

Test target for TM4 checks

The HP-SIS uses the older center block. No serial number found.

Loaded with Tantalum. Rough Target description:

Comment on the bag - 0.9 cm space

Total Ta foils = 525

Foil Thickness = 0.025mm (assumed)

Target density = ?

Target length = 7.3 cm

Total Mass = ?

Total mass w/ Target oven= 1242 g.

Assembly voltage checks - OK. Note* Spacers between insulator & Target.

Thermocouple wires attach to the 9-pin connector.

Wednesday, June 26, 2019, 14:47: roughing.

Wednesday, June 26, 2019, 15:30: Turbos on.

Wednesday, June 26, 2019, 15:51: IG1 on. Vacuum @ 1.14e-4 T.

Thursday, June 27, 2019, 07:11: Waterlines opened. No response on RGA. Vacuum stable @ 3.49e-06T.

Thursday, June 27, 2019, 07:14: Power / sources switched on. Omega switched on to read thermocouples.

Thermocouple readings:

T1 - 24.8 C & T2 - 24.9 C.

Thursday, June 27, 2019, 07:16:

Device	Temp [C]	Flow [lpm]
HS + MSP	27.40	5.21
TBHT	27.11	7.91
COIL + EE	27.01	2.26
TGHT	27.12	6.26

Thursday, June 27, 2019, 12:43: Auto-ramping TGHT / TBHT to 350 / 125 A @ 2 A per min

Friday, June 28, 2019, 07:02: HV on, IV4 opened.

Friday, June 28, 2019, 07:09: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Friday, June 28, 2019, 07:10: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Friday, June 28, 2019, 07:12: Spark*

Friday, June 28, 2019, 07:15: Optics on. Some instability noticed on the BIAS.

Friday, June 28, 2019, 07:17:

Device	Temp [C]	Flow [lpm]
HS + MSP	27.02	5.73
TBHT	26.87	8.29
COIL + EE	26.78	2.43
TGHT	26.86	6.47

Thermocouple readings:

T1 - 106.7 C & T2 - 106.8 C.

Friday, June 28, 2019, 07:24: Halt auto ramping. TGHT / TBHT @ 375 / 150 A. BIAS / EE / EZL @ 0 kV. Unusual amount of sparks and instability.

Friday, June 28, 2019, 08:45: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. Sparks seen immediately.

The TBHT insulator on the source tray side is glowing blue. Very neat.

Sparks observed striking inside the vacuum on the thermocouples / heat shield from the TBHT.

Friday, June 28, 2019, 08:57: BIAS / EE / EZL @ 0 kV. Auto-cooling @ 4 A per min.

Friday, June 28, 2019, 10:45: Disconnect mini pump, connect OMEGA thermometer to ground.

Friday, June 28, 2019, 10:59: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. No sparks.

Friday, June 28, 2019, 11:03: manually bump up TGHT / TBHT to 50 A.

Friday, June 28, 2019, 11:05: Auto-ramping TGHT / TBHT to 250 / 150 A @ 4 A per min.

Friday, June 28, 2019, 11:39: Spark*

Friday, June 28, 2019, 11:57: Auto-ramping TGHT / TBHT to 500 / 200 A @ 4 A per min.

Friday, June 28, 2019, 12:15: TGHT / TBHT @ 322 / 200 A. Sparking*

Friday, June 28, 2019, 12:17: Halt auto-ramping. Sparking*. Manually bring down current.

Friday, June 28, 2019, 12:23: Sparks ceased. TGHT / TBHT @ 300 / 150 A

Friday, June 28, 2019, 12:24: BIAS / EE / EZL @ 0 kV. Auto-cooling @ 4 A per min.

Friday, June 28, 2019, 12:32: new video taken. After reviewing the video, the spark originates at the heat shield / thermocouples and moves to the TBHT insulator.

Friday, June 28, 2019, 15:26: Auto-ramping TGHT / TBHT to 200/ 100A @ 4 A per min.

Tuesday, July 02, 2019, 07:58: RGA restarted.

Tuesday, July 02, 2019, 08:07: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. No sparks. Vacuum @ 7.08e-07T.

Tuesday, July 02, 2019, 08:08: Auto-ramping TGHT / TBHT to 350 / 150 A @ 4 A per min.

Tuesday, July 02, 2019, 08:37: Halt auto ramp. TGHT / TBHT @ 310 / 150 A. Two sparks*. Vacuum @ 2.32e-06T. Allow to stabilize.

Tuesday, July 02, 2019, 08:55: Auto-ramping TGHT to 350 A @ 4 A per min. Vacuum @ 1.08e-06T.

Tuesday, July 02, 2019, 09:05: TGHT @ 350 A. Vacuum @ 1.08e-06T

Tuesday, July 02, 2019, 09:07: Spark*

Tuesday, July 02, 2019, 09:16: Spark*

Tuesday, July 02, 2019, 09:24: Spark*

Tuesday, July 02, 2019, 09:38: Auto-cooling @ 4 A per min.

Tuesday, July 02, 2019, 09:45: BIAS / EE / EZL @ 0 kV.

Tuesday, July 02, 2019, 11:39: IG1 off. Turbos off. RGA off

722

Tuesday, May 14, 2019, 10:22

Conditioning ZrC#8 HS

Tuesday, May 14, 2019, 10:21: Roughing

Tuesday, May 14, 2019, 10:51: Turbo pumps on.

Tuesday, May 14, 2019, 11:05: Ion gauge, RGA on.

Wednesday, May 15, 2019, 08:42: Waterlines opened. Vacuum Ok @ 6.45e-07T. No response on RGA.

Wednesday, May 15, 2019, 08:58: Power / sources on.

Wednesday, May 15, 2019, 09:00: Auto-ramping TGHT / TBHT to 578 (580) / 230 A @ 2A per min.

Wednesday, May 15, 2019, 09:02: Optics set. IV4 open.

Wednesday, May 15, 2019, 09:09: BIAS / EE / EZL @ 30 / -1.5 / 13.5 kV.

Wednesday, May 15, 2019, 09:10:

Device	Temp [C]	Flow [lpm]
HS + MSP	26.34	5.24
TBHT	26.28	8.23
COIL + EE	26.11	2.18
TGHT	26.21	6.44

Wednesday, May 15, 2019, 10:39: Abort auto-ramp. Significant out gassing note. Vacuum @3.12e-06T

TGHT / TBHT @ 77 A. Hold until stable again. Effect noted similar to ZrC#7 ( https://elog.triumf.ca/TIS/Test-Stand/450 ). Resume Auto ramp in 1 hour to TGHT / TBHT 350 / 150 A.

Wednesday, May 15, 2019, 11:54: Auto-ramping TGHT / TBHT to 350 / 150 A @ 2A per min.

Wednesday, May 15, 2019, 14:47: TGHT / TBHT @ 146 / 146 A. Ramping to 350 / 150 A overnight.

Thursday, May 16, 2019, 07:30: Restarted RGA.

Thursday, May 16, 2019, 07:54: Mass scan taken albeit still ramping. TGHT / TBHT @ 280 / 150 A.

Thursday, May 16, 2019, 09:10: Ramping aborted @ TGHT / TBHT @ 285 (287.6) / 150 A. Allow for further out gassing.

Thursday, May 16, 2019, 13:22: Vacuum limit increased to 2.0e-06T. Vacuum @ 7.86E-07T.

Thursday, May 16, 2019, 13:23: Auto-ramping TGHT / TBHT to 350 / 150 A @ 2A per min.

Tuesday, May 21, 2019, 07:03: Auto-ramping TGHT / TBHT to 578 (580) / 230 A @ 2A per min.

Tuesday, May 21, 2019, 12:30: TGHT Stopped at 557.2A. Readout at 578. Moved readout to 557. Readback @ 557.2A.

Wednesday, May 22, 2019, 07:09: TGHT was at voltage limit. The limit was increased. Auto-ramping TGHT / TBHT to 578 (580) / 230 A @ 2A per min.

Wednesday, May 22, 2019, 07:32: TGHT 579.9 A / 8.051 V.

Wednesday, May 22, 2019, 13:45: Masscorr calibration confirmed.

Wednesday, May 22, 2019, 13:51: Auto-cooling @ 2A per min.

Thursday, May 23, 2019, 13:27: Sources / Power off. RGA off.

Thursday, May 23, 2019, 13:31: IV4 Closed. Turbo pumps off.

Attachment 1: ZrC#8.docx

Attachment 2: TS-2019-05-14-11-05.rga

Attachment 3: TS-2019-05-16-07-30.rga

Attachment 4: TS-2019-05-21-07-10.rga

Attachment 5: ITE-TM2-ZrC#8-LP-SIS_Test_Stand.docx

1005

Friday, April 19, 2024, 11:33

Development target test - Calibrated leak - Anode mode

Friday, April 19, 2024, 11:32: assembly installed in test stand. VV1 closed, pumping down

Friday, April 19, 2024, 11:56: TP1A and TP1B on.

Friday, April 19, 2024, 12:34: water cooling on. no effect on vacuum.

Friday, April 19, 2024, 12:34: Argon gas set to 0.5 bar. No effect on vacuum.

Monday, April 22, 2024, 09:24 beginning TGHT TBHT ramp to 440A/290A at 1A/30s. COIL increased to 80A for conditioning. vacuum monitored.

Monday, April 22, 2024, 09:47: vacuum peaks at ~8e-7 T.

Monday, April 22, 2024, 10:49 vacuum recovered and stable at 4.2e-7 T.

Monday, April 22, 2024, 10:49 TGHT TBHT ramp rate toward 440/290 increased to 1.4A/10s. COIL increased to 90A for conditioning. vacuum continues to be closely monitored.

Monday, April 22, 2024, 11:39 TGHT TBHT have reached 440/290. Waiting for vacuum to drop to stable value. Currently at 1.12e-6 T.

Monday, April 22, 2024, 13:10: vacuum stable at 9.9e-7 T

Monday, April 22, 2024, 13:11 increasing bias to 30kV

Monday, April 22, 2024, 14:30 Unintentionally, TBHT had been increased to 230 instead of 290. Increasing to 290.

Monday, April 22, 2024, 14:40. BIAS sparking. Decreasing bias and increasing COIL back to 90A to condition. (spark frequency approximately 1/min)

Monday, April 22, 2024, 15:12 increasing TGHT TBHT to 490/320 for conditioning - monitoring vacuum and bias closely

Monday, April 22, 2024, 15:23 prior to vacuum recovering, bias sparked again. decreasing to 25kV while vacuum recovers.

Monday, April 22, 2024, 15:37 vacuum plateaued at 2.5e-6T

Monday, April 22, 2024, 16:50 Vacuum significantly decreased to ~1.5e-6. increased bias to 30kV to observe argon beam activity. looks normal. data to be collected tomorrow after vacuum down further. Sparks were still observed at 30kV although significantly less frequently. (1/5min)

Monday, April 22, 2024, 16:52 decreasing bias to 0 V

Tuesday, April 23, 2024, 09:24 Vacuum at 9.6e7 T. decreasing COIL to 0, increasing bias to 30 kV

Tuesday, April 23, 2024, 09:51 BIAS at 30kV, no sparks seen.

Tuesday, April 23, 2024, 09:58. Argon gas on. COIL at 40A, ANODE at 200V. Using short mass scan to find Ar-40 peak.

Tuesday, April 23, 2024, 10:33: ran degaussing script in anode mode - measure_id=6018

Tuesday, April 23, 2024, 10:36 COIL set to 80A, ANODE at 340V, BIAS at 29 660 V.

Tuesday, April 23, 2024, 10:37 mass scan

Tuesday, April 23, 2024, 10:57 closed sv4, open sv1. to pump down argon gas lines. then closed sv5 and sv1.

Tuesday, April 23, 2024, 10:57 mass scan

Tuesday, April 23, 2024, 11:19 TGHT TBHT decreased to 440 290

Tuesday, April 23, 2024, 11:35 mass scan

Tuesday, April 23, 2024, 11:49 turned argon gas back on

Tuesday, April 23, 2024, 11:50 mass scan

Tuesday, April 23, 2024, 12:13 decreasing bias to 0 V

Tuesday, April 23, 2024, 12:33 decreasing TGHT TBHT to 100A at 1.4A/10s

Tuesday, April 23, 2024, 13:29 decreasing TGHT TBHT to 0A at 1A/30s

Tuesday, April 23, 2024, 14:13 increasing bias to test HV

Tuesday, April 23, 2024, 15:00 when bias was at ~50kV, epics shut down at the test stand computer. Internet disconnected. there were two sparks over ~10min at 50kV, but there was no spark at the same time as the epics shut down

Tuesday, April 23, 2024, 15:05 It appears that this also actuated BV1B and BV6, then turning off TP1B and TP6 turbo pumps.

Tuesday, April 23, 2024, 15:16: continuing to increase HV remotely, while monitoring closely for any sparks. the HV appears to be stable.

Tuesday, April 23, 2024, 15:20 at 54.6 kV, the bias current rapidly increased from 0.02mA to 0.135mA. There was no decrease in voltage and no accompanying spark. HV was decreased until current dropped, before increasing HV again.

Tuesday, April 23, 2024, 16:01 decreased bias to 0V.

Tuesday, April 23, 2024, 16:01 Turbo pumps restarted.

Wednesday, April 24, 2024, 09:25 TP1B and TP1A off. winding down to begin venting

Wednesday, April 24, 2024, 10:47 VV1 open. venting.

1038

Thursday, December 05, 2024, 15:38

Tuesday, December 02, 2024, 15:35 - Target loaded into the test stand

Thursday, December 03, 2024, 14:33 - as per elog entry 1033, test stand has been changed to CATHODE mode, and wiring within the Faraday cage has been altered appropriately. Additionally, a GeMov resistor has been added to potentially reduce the sparking problems that have previously tripped the TGHT power supply

Thursday, December 04, 2024, 10:00 - Roughing pump having trouble reaching suitable vacuum - possible replacement required.

Thursday, December 05, 2024, 13:37 - Turbo pumps on

Monday, December 09, 2024, 09:51 Vacuum at 3e-7 T

Monday, December 09, 2024, 12:10 Water cooling switched on, monitored vacuum. No change to vacuum.

Monday, December 09, 2024, 16:58: TGHT / TBHT ramping to 580A/230A at 1A/30.

Tuesday, December 10, 2024, 11:14 increasing COIL current 10A at a time, monitoring vacuum pressure

Tuesday, December 10, 2024, 18:42 COIL at 100A after allowing pressure to fall to reasonable levels throughout the day. allowing to stabilize for a few hours.

Tuesday, December 10, 2024, 19:00 vacuum plateauing now, awaiting decrease to 1/3 of peak before reducing COIL to zero

Tuesday, December 10, 2024, 19:37 - vacuum at 9.9e-7T. dropping COIL to 0A

Wednesday, December 11, 2024, 10:27 increasing BIAS/EE/EZL to 30/1.5/13 kV

Wednesday, December 11, 2024, 11:30 TGHT TBHT adjusted to 490/290A

Wednesday, December 11, 2024, 13:47 degaussing script not currently available. For now. will examine beam extracted at CAT=120V COIL=40A

Wednesday, December 11, 2024, 14:27 The CATHODE is completely shorted. cannot hold even 1 volt and is currently limited immediately upon switching on cathode bias power supply.

Wednesday, December 11, 2024, 15:02 dropped bias/ee/ezl to 0

Wednesday, December 11, 2024, 15:02 Must cool target to investigate Cathode short. Prior to installation, target isolation was confirmed. If the cathode dropped to contact the copper plate shielding the coil, this would be evidence to support keeping the retainer.

Thursday, December 12, 2024, 09:24 after cooling, cathode power supply was checked to see if shorted and it is indeed still shorted out.

Thursday, December 12, 2024, 09:25 turning off turbo pumps to spin down

Thursday, December 12, 2024, 11:30: venting chamber

Friday December 13: after venting the chamber and removing the target. The target appears to be unshorted and intact. However, upon inspection of the test stand, there appears to be a ~100Ω load between the cathode and ground. This load is able to sustain voltage from the cathode power supply, but draws a significant amount of current. It is too much for operation, and might be further aggravated by the presence of the target. Further, when the TGHT and TBHT terminals are shorted together, the resistance from cathode to ground drops to ~1Ω. Perhaps this could be associated with the installation of the TGHT power supply, as FEBIAD has not been run on this machine since it was installed. Wiring at the feedthroughs as been quadruple checked, I don't believe that the problem lies there.

With no target in place, the cathode was able to hold a voltage, despite drawing 100+mA current. However, I was unable to repeat further tests, as the power supply stopped responding. Despite ramping up to ~10V in epics, the readback is 0V/0A, unlike before.

1044

Tuesday, January 07, 2025, 17:06

Tuesday, January 07, 2025, 16:00 - Target assembly installed in test stand. electrical connections assessed:

Prior to installation: oven and cathode isolated from heatshield. no shorts

After installation: Oven and Cathode 35kΩ from HVC.

Tuesday, January 07, 2025, 16:05 - pumping down to rough vacuum

Tuesday, January 07, 2025, 16:45 TP1B on. TP1A on. Pumping down

Prior to proceeding, ensure that ALL water cooling is turned on, as it was all drained and empty for the past 2 weeks.

Tuesday, January 07, 2025, 17:10 Beam line TP1 and TP2 on.

Wednesday, January 08, 2025, 09:01 chamber pressure at 1.0E-6 T, beamline pressure at 3.7E-7 T

Wednesday, January 08, 2025, 10:32 - water cooling all on. no effect on vacuum pressure.

Wednesday, January 08, 2025, 10:33 - Increased argon pressure in the gas line has no effect on vacuum pressure. it is registered on the pressure gauge at feedthrough.-

- However, roughing pump doesn't seem to be venting the argon gas line. I disconnected the copper line to the venting valve to confirm pump activity. - no activity detectable.

- removed pump from assembly. switching on by itself shows no evidence of pump functionality. When on, pump is heating to very hot temperatures. I've emailed Edi at vacuum group to investigate further.

Wednesday, January 08, 2025, 15:02 - Vacuum group says that the pump is dead. We can replace it if we'd like, but i've created a temporary solution by connecting the argon venting valve to the backing pumps. For the sake of being careful (although this may be overly cautious), we must avoid opening this venting valve without first isolating the connection from the turbo pumps via closing TSG:PV1

Wednesday, January 08, 2025, 15:04 ramping up COIL to ensure conditioning against outgassing later. vacuum appears to be stabilizing below 2e-6 T

Wednesday, January 08, 2025, 16:32 vacuum recovered, beginning to heat at 1A/30s up to 580A/230A TGHT/TBHT

Wednesday, January 08, 2025, 22:32 with COIL on, the vacuum pressure increased to ~2.2E-6 T before beginning to recover, leaving on to encourage vacuum recovery.

Thursday, January 09, 2025, 08:27 Vacuum at 1.0E-6 T. COIL off.

Thursday, January 09, 2025, 10:15 Argon gas line at 0.5 bar.a

Thursday, January 09, 2025, 10:56 increasing BIAS/EE/EZL to 30/1.5/13 kV

Thursday, January 09, 2025, 11:19 turning on optics elements. TMS:Q2 is timed out and possibly unalive. - must be investigated

Thursday, January 09, 2025, 12:38 HV at 30kV. monitoring for spark activity

Thursday, January 09, 2025, 12:53 over 15 minutes, there was just one possible spark. I see also that TPS:Q2 (quadrupole prior to FC0) seems to be half-down. i can't seem to get it to stop timing out and recharge. must investigate further

after investigating further and attempting to reset/reconfigure. I tried power cycling the canbus controller as well. In the end, controls group determined that this controller needed to be replaced.

Thursday, January 09, 2025, 14:34 all optics set. setting COIL CATHODE to 40A 120V. CATHODE is leaking 0 current. (0.000 mA readback).

Thursday, January 09, 2025, 14:37 reading 2.91e-8A at FC0 . found Argon peak at 40 exactly. MB1 current 96.4561 A

Thursday, January 09, 2025, 14:42 using COIL CATHODE scan program to optimize. (data file measure_id=9106) A local maximum was identified at 140V with 40A coil current. However, a short seems to show up when the cathode voltage reaches ~130V. it lets through only ~10mA at 130 and then will release up to at least 100mA at 140V.

As time passes, the sustained voltage drops over time, given a current limit of 100mA. it dropped to ~50V. On subsequent increases of the power supply, current begins leaking through at ~65V.

Given this, I will continue (while monitoring the cathode power supply) with a cathode coil of 50V 90A.

Thursday, January 09, 2025, 15:28 FC0 = 2.21 e-8 A. FC6 at 3.21e-10A RPM taken for all 4.

Thursday, January 09, 2025, 16:04 mass scan complete - 2025_01_09-16_01 FEBIAD no retainer 1.txt CATHODE voltage was stable at 50V throughout.

Thursday, January 09, 2025, 16:07 decreasing BIAS/EE/EZL to 0, 0, 0

Friday, January 10, 2025, 09:09 ramping BIAS/EE/EZL to 30/1.5/13 kV

Friday, January 10, 2025, 11:51 Increasing COIL and CATHODE to 90A and 50V (was able to ramp cathode up to 100V before seeing current loss)

Friday, January 10, 2025, 11:53 FC0 = 1.7e-8 A. FC6 = 4.9e-10 A wire scans taken.

Friday, January 10, 2025, 12:00 Beginning mass scan with COIL CATHODE at 90A 50V - 2025_01_10-12_28 FEBIAD no retainer 2.txt

Friday, January 10, 2025, 12:28 decreasing BIAS/EE/EZL to 0, 0, 0

Friday, January 10, 2025, 13:15 gas inflow OFF (at rough vacuum pressure). Ramping up again BIAS/EE/EZL to 30/1.5/13 kV

Friday, January 10, 2025, 14:27 FC0 = 1.22e-8A. FC6 = 2.93e-12A (at 40) . mass scan taken = 2025_01_10-14_18 FEBIAD no retainer 3 argon off.txt wire scans taken.

Friday, January 10, 2025, 14:28 TGHT TBHT cooling to 0A 0A at 1A/30s

Monday, January 13, 2025, 11:00 testing cathode isolation on cold target by ramping up cathode voltage until breakdown. At 120V, CATHODE current is 2.4mA. (125V, 8.5mA), at 130V, current limiting and dropping voltage.

Monday, January 13, 2025, 11:10 power supplies off. Winding down turbo pumps for chamber evac

Monday, January 13, 2025, 13:07 venting

717

Monday, April 15, 2019, 14:42

Conditioning UC#27 HS & test FS#3

New coil lines installed for P2N testing later.

Monday, April 15, 2019, 14:15: Roughing.

Monday, April 15, 2019, 14:49: Turbo pumps on.

Tuesday, April 16, 2019, 08:20: RGA on.

Gradually open each line. Wait 5 minutes & monitor the response.

Tuesday, April 16, 2019, 08:30: Open Return & Supply main valves.

Tuesday, April 16, 2019, 08:32: Open FS#5. Vacuum @ 4.29e-06T. No response on RGA (water).

Tuesday, April 16, 2019, 08:37: Vacuum @ 4.37e-06T

Tuesday, April 16, 2019, 08:38: Open FS#4. Vacuum @ 4.37e-06T. No response on RGA (water).

Tuesday, April 16, 2019, 08:43 Vacuum @ 4.29e-06T

Tuesday, April 16, 2019, 08:44 Open FS#3. Vacuum @ 4.29e-06T. No response on RGA (water).

Tuesday, April 16, 2019, 08:49: Vacuum @ 4.26e-06T.

Tuesday, April 16, 2019, 08:50: Open FS#2. Vacuum @ 4.29e-06T. No response on RGA (water).

Tuesday, April 16, 2019, 08:57: Vacuum @ 4.29e-06T.

Wednesday, April 17, 2019, 08:30: Power/sources on. Vacuum @ 2.46e-06T.

Wednesday, April 17, 2019, 10:30: Auto-ramping TGHT to 150 @ 2A per min. Vacuum limit increased to 3.000e-06T.

Wednesday, April 17, 2019, 11:53: Auto-ramping TGHT to 300 @ 2A per min. Vacuum @ 2.50e-06T.

Wednesday, April 17, 2019, 13:10: Auto-ramping TGHT to 350 @ 2A per min. Vacuum @ 2.95e-06T.

Thursday, April 18, 2019, 07:23: Auto-ramping TGHT to 575 @ 2A per min. Vacuum @ 2.40e-06T.

Tuesday, April 23, 2019, 06:45: Auto-Cooling TGHT @ 2A per min. Vacuum @ 9.22e-07T.

Tuesday, April 23, 2019, 08:29: RGA error. Shut off RGA.

Tuesday, April 23, 2019, 11:34: Power/sources off.

Tuesday, April 23, 2019, 11:37: IG1 off. Turbos off.

Tuesday, April 23, 2019, 12:53: Venting.

Attachment 1: UC#27_&_FS#3_check.docx

Attachment 2: TS-2019-04-16-08-20.rga

999

Thursday, March 14, 2024, 17:43

Calibrated Leak Development

Thursday, March 14, 2024, 15:39: Roughing

Thursday, March 14, 2024, 16:20:TP1B on

Thursday, March 14, 2024, 16:40: TP1A on

Thursday, March 14, 2024, 16:51: IG1 on

Thursday, March 14, 2024, 17:28: Waterline FS#5 open

Friday, March 15, 2024, 13:19: Gradually increased BIAS to 25kV, then up to 50kV more slowly. Accompanied by increase in EZL voltage.

Friday, March 15, 2024, 13:50: Periodically increased BIAS voltage in 100V increments watching for sparks. Decrease BIAS whenever sparks. settled at 51.5 kV (cannot increase further without sparking), left at high voltage.

Friday, March 15, 2024, 15:48: Decreasing BIAS to 10kV

Friday, March 15, 2024, 16:28: ran coil at 80A until vacuum recovered.

Friday, March 15, 2024, 19:29: decrease coil to 0A, decrease BIAS to 0V

Monday, March 18, 2024, 10:08 increasing TGHT/TBHT to 440A/290A at 1A/30s

Monday, March 18, 2024, 16:00 increasing COIL to 40A, waiting for vacuum to return to normal

Monday, March 18, 2024, 21:05: decreasing COIL to 0A

Tuesday, March 19, 2024, 09:35: increased COIL to 40A.

Tuesday, March 19, 2024, 10:17: increased TDH:ANODE (cathode mode) to (-)200V

Tuesday, March 19, 2024, 10:20: increasing BIAS to 30kV

Tuesday, March 19, 2024, 13:12: turned on gas. vacuum jumped up and tripped everything off. gas was immediately turned back off. TGHT and TBHT were off for approximately 1 minute before being turned back on.

Tuesday, March 19, 2024, 13:46: cooling. need to investigate possible leaks.

Tuesday, March 19, 2024, 15:58: TGHT and TBHT at 0A. Turbo pumps turned off. waiting to slow before venting.

Tuesday, March 19, 2024, 16:20 venting

Wednesday, March 20, 2024, 14:47: Target assembly was removed today and the tube from the inlet to the calibrated leak was replaced. Now reinstalled, roughing. Gas was turned on at ~0.2 bar during roughing. No effect on vacuum.

water cooling also turned on.

Wednesday, March 20, 2024, 14:53 Turbo pumps turned on.

Wednesday, March 20, 2024, 20:24: begin ramping TGHT TBHT to 440/290A at 1A/30s

Thursday, March 21, 2024, 09:54: Target heated, vacuum good. Tested gas to ensure there is no noticeable effect on vacuum. Lines subsequently vented through the line roughing pump.

Thursday, March 21, 2024, 09:55 Optics switched on. increasing cathode to 200V and coil to 40A. Watching vacuum, checking beam tune

Thursday, March 21, 2024, 10:20 ramping BIAS to 30kV

Thursday, March 21, 2024, 11:14 : scanned, data recorded

Thursday, March 21, 2024, 11:14 cathode reduced to 100V. scanned

Thursday, March 21, 2024, 11:32: coil reduced to 20A. scanned.

Thursday, March 21, 2024, 11:50 cathode increased to 200V. scanned

Thursday, March 21, 2024, 12:07 coil increased to 40A. Argon gas on (-0.8bar at regulator). scanned

Thursday, March 21, 2024, 12:31 reducing bias to 0kV

Thursday, March 21, 2024, 13:02 argon regulator pressure increased to -.64bar

Thursday, March 21, 2024, 13:05 increasing bias to 30kV

Thursday, March 21, 2024, 13:15: vented lines, scanning

Thursday, March 21, 2024, 13:35 gas on. scanning

Thursday, March 21, 2024, 15:05 cathode at 100V, scanning

Thursday, March 21, 2024, 15:20 coil at 20A, scanning

Thursday, March 21, 2024, 15:55 coil off. scanning

Thursday, March 21, 2024, 16:10 cathode off, scanning

Thursday, March 21, 2024, 17:23 - bias down. changing gas pressure

Friday, March 22, 2024, 09:08 increasing bias, checking tune, increasing cathode to 200V, coil to 40A, EZL to 13kV

Friday, March 22, 2024, 09:48 gas vented, scanned, gas on, scanned.

Friday, March 22, 2024, 09:48 decreasing bias to 0V, changing gas pressure.

Friday, March 22, 2024, 10:12 pressure at 1bar.abs. increased bias to 30kV, checked beam tune, cathode to 200V, coil to 40A, EZL to 13kV

Friday, March 22, 2024, 10:13 gas on. scanning

Friday, March 22, 2024, 10:33 decrease bias, changing pressure.

Friday, March 22, 2024, 10:57 gas line pressure at 1.5bar.a. increasing bias to 30kV, checking beam tune, cathode to 200V, coil to 40A, EZL to 13kV

Friday, March 22, 2024, 11:42 decreased bias, changing pressure.

Friday, March 22, 2024, 11:52 gas line pressure at ~2bar.a increasing bias to 30kV, checking beam tune, cathode to 200V, coil to 40A, EZL to 13kV

Friday, March 22, 2024, 15:40 bias down to 0V. reducing TGHT TBHT to 0/0

Monday, March 25, 2024, 09:30 Turbo pumps turned off

Monday, March 25, 2024, 10:00 venting chamber, purged water lines.

Monday, March 25, 2024,11:00 removed target assembly

Monday, March 25, 2024,13:00 replaced target assembly, began roughing

Monday, March 25, 2024,13:50: turned on water cooling. Vacuum stable. Turned on turbo pumps.

Monday, March 25, 2024, 15:16 turned on optics elements, cathode to 200V, coil to 80A, EZL to 13kV. monitoring vacuum. Gas leak test shows no effect on vacuum (5e-6T).

Monday, March 25, 2024, 15:22: Ramping TGHT TBHT to 440/290A at 1A/30s

Tuesday, March 26, 2024, 10:32 Ran mass scans with gas off and on.

Tuesday, March 26, 2024, 10:32 scanning parameter space for optimal beam output - cathode voltage and coil current.

Tuesday, March 26, 2024, 15:29 ramping TBHT to 300A, scanning

Tuesday, March 26, 2024, 16:10 ramping TBHT to 310A, scanning

Tuesday, March 26, 2024, 16:40 ramping TBHT to 320A, scanning

Wednesday, March 27, 2024, 09:25 - ramping bias to 30kV

Wednesday, March 27, 2024, 09:40 scanning cathode / coil parameter space to optimize output --- highest output at 200V 60A - 200V 62A - magnet drifted and is not right at Ar peak. corrected. scan repeated

Wednesday, March 27, 2024, 10:31 scanning cathode / coil parameter space to optimize output

Wednesday, March 27, 2024, 11:02 mass scan with 200V 62A cathode coil.

Wednesday, March 27, 2024, 11:17 - lines evacuated. mass scan.

Wednesday, March 27, 2024, 11:40 bias to 0V. change gas pressure

Wednesday, March 27, 2024, 11:50 bias to 30kV. mass scan

Wednesday, March 27, 2024, 12:10 bias to 0V. change gas pressure

Wednesday, March 27, 2024, 12:21 bias to 30kV. mass scan

Wednesday, March 27, 2024, 12:31 bias to 0V. change gas pressure

Wednesday, March 27, 2024, 12:43 Ramping bias to 30kV.

Wednesday, March 27, 2024, 15:00 bias to 0V. changing pressure to .5 bar.

Wednesday, March 27, 2024, 15:13 bias at 30kV.

Wednesday, March 27, 2024, 15:13 increasing TGHT to 468A (~2250W) - mass scan - monitoring vacuum. stable at 6e-7T

Wednesday, March 27, 2024, 15:39 increasing TGHT to 490A (~2500W) - mass scan - monitoring vacuum. stable at 6e-7T

Wednesday, March 27, 2024, 16:23 reduced cathode voltage to 50V to record the electron current (17.09mA). mass scan taken with coil at 35A

Wednesday, March 27, 2024, 16:35 ramping down BIAS to 0V.

Wednesday, March 27, 2024, 16:38 decreasing TGHT TBHT to 0A 0A at 1A/30s in preparation to switch to anode mode in the morning.

Thursday, March 28, 2024, 13:59 - Switched to anode mode

Thursday, March 28, 2024, 13:59 - ramping TGHT and TBHT to 100A at 1A/30s

Thursday, March 28, 2024, 14:37 increasing BIAS to 30kV

Thursday, March 28, 2024, 14:47 - ramping TGHT/TBHT to 440A/290A at 1A/7s

Thursday, March 28, 2024, 15:56 mass scan with 200V 62A cathode coil. gas on at 0.5 bar. (bias at 29.8kV)

Thursday, March 28, 2024, 15:56 mass scan with 200V 62A cathode coil. gas vented. (bias at 29.8kV)

Thursday, March 28, 2024, 16:29 ramping TGHT/TBHT to 490A/320A at 1.4A/10s

Thursday, March 28, 2024, 16:36 mass scan with 200V 62A cathode coil. gas on at 0.5 bar. (bias at 29.8kV)

Thursday, March 28, 2024, 16:56 mass scan with 200V 62A cathode coil. gas vented. (bias at 29.8kV)

Thursday, March 28, 2024, 17:13 dropping bias to 0

Thursday, March 28, 2024, 17:14 cooling tght and tbht at 1A/30s

685

Monday, September 17, 2018, 11:52

Conditioning Heat Shield for UC#25

Monday, September 17, 2018, 11:47: Roughing*. Doors not sealing, help acq'd

Monday, September 17, 2018, 11:51: Roughing. Doors sealed

Monday, September 17, 2018, 12:30: Turbo pumps started.

Monday, September 17, 2018, 14:09: RGA on.

Tuesday, September 18, 2018, 09:01: Waterlines opened. No response on RGA. Vacuum ok @ 5.92e-07T.

Tuesday, September 18, 2018, 09:02: Power on

Tuesday, September 18, 2018, 09:05: Sources on.

Tuesday, September 18, 2018, 09:08: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2A per min

Device	Temp [C]	Flow [lpm]
HS + MSP	24.8	4.02
TBHT	24.4	3.11
COIL + EE	24.6	5.15
TGHT	24.6	5.79

Wednesday, September 19, 2018, 08:14: Vacuum @ 7.73e-07T.

Device	Temp [C]	Flow [lpm]
HS + MSP	34.8	4.02
TBHT	24.7	3.10
COIL + EE	24.9	5.13
TGHT	26.8	5.77

Wednesday, September 19, 2018, 14:30: Auto-cooling @ 2A per min.

Friday, September 21, 2018, 07:52: Power / Sources off.

Friday, September 21, 2018, 07:53: RGA off. Ion Gauge off. Turbo pumps off.

Friday, September 21, 2018, 07:56: Waterlines purged. TS locked out.

Attachment 1: OMEGA_OM-DAQPRO-5300_24-Sep-18_08.08.26.dlp

Attachment 2: TS-2018-09-17-14-10.rga

Attachment 3: UC#25.docx

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