ELOG Test-Stand

Monday, May 31, 2021, 11:30: Loose control cable found on the PS. Connected. Manually set TGHT / TBHT to 10 A & back ok. Checked FS#5 interlocks - OK.

Monday, May 31, 2021, 11:50: Auto-ramping TGHT / TBHT to 300 / 150 A @ 2 A per min.

Monday, May 31, 2021, 18:06: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Tuesday, June 01, 2021, 15:40: Auto-cooling @ 1 A per min.

Wednesday, June 02, 2021, 07:57: Power / sources off. Ion gauge & turbo pumps off.

Wednesday, June 02, 2021, 07:58: FS#5 purged.

Wednesday, June 02, 2021, 10:12: Venting.

875

Wednesday, June 02, 2021, 10:45

UC#34 HS conditioning

Straight tube target / TGHT for outgassing.

Wednesday, June 02, 2021, 11:06: Roughing.

Wednesday, June 02, 2021, 12:15: TP1B on.

Wednesday, June 02, 2021, 12:54: TP1 A on. IG1 on.

Wednesday, June 02, 2021, 14:58: Vacuum @ 2.24e-06T

Wednesday, June 02, 2021, 15:01: Waterlines opened. vacuum remained stable.

Wednesday, June 02, 2021, 15:02: Power / sources on.

Thursday, June 03, 2021, 11:18: Auto-ramping TGHT @ 2 A per min to 580A.

Sunday, June 06, 2021, 21:26: Auto-cooling @ 1 A per min.

Monday, June 07, 2021, 08:33: Power/sources off. IG1 off. Turbo pumps off.

899

Tuesday, September 14, 2021, 17:12

Tuesday, September 14, 2021, 17:00: Roughing

Tuesday, September 14, 2021, 17:37: TP1B on.

Tuesday, September 14, 2021, 17:47: TP1A on.

Tuesday, September 14, 2021, 17:55: IG1 on.

Wednesday, September 15, 2021, 06:51: Waterlines opened. Vacuum Stable @ 4.46e-06T.

Wednesday, September 15, 2021, 07:01: Power/sources/optics on - Set.

Wednesday, September 15, 2021, 07:02: IV4 opened.

Device	Temp [C]	Flow [lpm]
HS + MSP	23.8	3.99
TBHT	24.6	3.23
COIL + EE	23.6	5.02
TGHT	23.8	5.66

Wednesday, September 15, 2021, 07:05: Quick system check. TGHT / TBHT @ 10 / 10 A. OK.

Wednesday, September 15, 2021, 07:06: BIAS / EE / EZL @ 1 / -0.5 / 1 kV. Not ok. BIAS short!!!* set to 1kV, zero read back. 0V & 0.230 mA.

Wednesday, September 15, 2021, 08:01: Hook was still in the cage. Removed*

Wednesday, September 15, 2021, 08:05: Quick system check. TGHT / TBHT @ 10 / 10 A. BIAS / EE / EZL @ 1 / -0.5 / 1 kV. All ok. Vacuum @ 4.02e-06T. Allow to stabilize.

Thursday, September 16, 2021, 04:38: Vacuum @ 2.13e-06T. Auto-ramping TGHT / TBHT to 350 A / 150 A @ 2 A per min.

Thursday, September 16, 2021, 04:44: BIAS / EE / EZL @ 20 / -1.0 / 10 kV.

Thursday, September 16, 2021, 08:58: Auto-ramping TGHT / TBHT to 580 A / 230 A @ 2 A per min.

Thursday, September 16, 2021, 13:20: Auto-ramp halted. Vacuum @ 3.12 e-06T. TGHT / TBHT @ 410 / 210. Adjusted good vacuum / increment limit t0 5.0e-06T & 7e-06T (Back off limit). Continue auto-ramping TGHT / TBHT to 580 A / 230 A @ 2 A per min.

Thursday, September 16, 2021, 16:30: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. TGHT / TBHT @ 543+/ 230 A. TGHT still ramping on vac limit. Good wire scans so far.

Thursday, September 16, 2021, 16:36: Mass & wires scans proceeding.

Thursday, September 16, 2021, 17:16: Scans ok. TGHT @ 550 A. Vacuum @ 5.12e-06T.

Friday, September 17, 2021, 10:41: Mass & wire scans ok. BIAS / EE / EZL to 0 kV.

Sunday, September 19, 2021, 20:33: Auto-cooling @ 1 A per min.

Monday, September 20, 2021, 06:10: Power/sources off. IV4 off. Lock-out.

Monday, September 20, 2021, 06:13: IG1 off. Turbo pumps off.

Thursday, September 23, 2021, 05:04: Venting.

903

Thursday, October 14, 2021, 10:13

Conditioning UC#36 HS

Tube / TGHT only.

Thursday, October 14, 2021, 10:11: Roughing.

Thursday, October 14, 2021, 12:05: TP1B on.

Thursday, October 14, 2021, 12:10: TP1A on.

Thursday, October 14, 2021, 13:27: IG1 on.

Thursday, October 14, 2021, 16:08: Vacuum @ 3.73e-06T

Thursday, October 14, 2021, 16:10: FS#5 open. Vacuum Stable.

Thursday, October 14, 2021, 16:13: PS on. Sources on. TGHT manually tapped up to 10 A. OK. Allow vacuum to stabilize further.

Friday, October 15, 2021, 06:38: Auto-ramping TGHT to 580 A @ 2 A per min.

Friday, October 15, 2021, 21:32: Auto-Cooling @ 1 A per min.

Monday, October 18, 2021, 07:50: Sources, IG1, & turbo pumps off.

916

Tuesday, April 05, 2022, 14:01

Test FEBIAD & TS operation

Tuesday, April 05, 2022, 13:57: Roughing. BV1B.

Tuesday, April 05, 2022, 14:04: BV1A on.

Tuesday, April 05, 2022, 14:28: TP1B on.

Tuesday, April 05, 2022, 14:36: TP1A on.

Tuesday, April 05, 2022, 14:46: IG1 on.

Wednesday, April 06, 2022, 07:42: Vacuum @ 2.50e-06T.

Wednesday, April 06, 2022, 07:44: Waterlines opened. Vacuum Remains stable.

Wednesday, April 06, 2022, 07:59: Cage fully closed up. Power/sources on.

Wednesday, April 06, 2022, 08:00: COIL / TGHT / TBHT @ 10 A manually. Check - Ok.

Wednesday, April 06, 2022, 08:02: Anode @ 50V - Ok.

Wednesday, April 06, 2022, 08:04: BIAS / EE / EZL @ 1 / -0.5 / 1 kV. Check - Ok.

Wednesday, April 06, 2022, 08:10: BIAS / EE / EZL @ 10 / -1 / 10 kV.

Wednesday, April 06, 2022, 08:16: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. Ok. Vacuum @ 2.39e-06T.

Wednesday, April 06, 2022, 08:46: 1/2 hour. Stable.

Wednesday, April 06, 2022, 08:50: All sources off. PS off. Open Cage.

Wednesday, April 06, 2022, 08:54: Begin cycling source gas control.

Wednesday, April 06, 2022, 08:57: SV5 open.

Wednesday, April 06, 2022, 08:58: SV3 & SV4 open. Vacuum stable @2.32e-06T.

Wednesday, April 06, 2022, 09:02: Cage closed. Sources / PS on. IV4 open.

Wednesday, April 06, 2022, 09:04: Auto-ramping TGHT / TBHT to 350 / 150 @ 2 A per min.

Wednesday, April 06, 2022, 09:05: Anode @ 50 V. Coil @ 10 A.

Wednesday, April 06, 2022, 09:10: Optics set.

Wednesday, April 06, 2022, 11:37: Gas lines closed. Abort ramping. TGHT / TBHT @ 306 / 150 A. HV lockout. Open cage.

***Gas bottles are not in the old configuration*** No gas.

Wednesday, April 06, 2022, 11:50: Begin Auto-cooling @ 2 A per min.

Thursday, April 07, 2022, 08:13: IG1 off. Turbo pumps off. Power off.

Thursday, April 07, 2022, 09:17: Venting.

917

Thursday, April 07, 2022, 11:19

Test FEBAID & TS operation

Gas system switched on manually to use Ar & calibrated leak.

Thursday, April 07, 2022, 10:25: Roughing.

Thursday, April 07, 2022, 11:17: TP1B on.

Thursday, April 07, 2022, 12:55: TP1A on.

Thursday, April 07, 2022, 14:42: SV5 on. Power / sources on.

Thursday, April 07, 2022, 14:44: IV4 open. Optics on. Vacuum @ 2.7e-06T.

Thursday, April 07, 2022, 14:47: System check:

TGHT / TBHT @ 10 A. Coil @ 10A.

BIAS / EE / EZL @ 1 / -0.5 / 1 kV. Anode @ 50V

OK. Set.

Thursday, April 07, 2022, 14:49: Auto-ramping TGHT / TBHT to 350 / 150 A @ 2 A per min.

Thursday, April 07, 2022, 14:51: BIAS / EE / EZL @ 0 kV. Anode @ 0V

Friday, April 08, 2022, 05:44: Auto-ramping TGHT / TBHT to 500 / 200 A @ 2 A per min.

Friday, April 08, 2022, 05:51: BIAS / EE / EZL @ 20 / -1.0 / 7.5 kV.

Coil @ 20 A, Anode @ 100 V.

Friday, April 08, 2022, 10:01: Auto-ramping TGHT / TBHT to 580 / 270 A @ 2 A per min.

BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Friday, April 08, 2022, 11:15: TBHT @ 290 A.

Friday, April 08, 2022, 12:09: Mass & wire scans complete. HV to 0kV. Anode to to V. Auto cooling @ 1 A per min. Coil @ 0 A.

Monday, April 11, 2022, 07:25: Auto-ramping TGHT /TBHT to 580 / 290 A @ 2 A per min.

Monday, April 11, 2022, 13:48: BIAS / EE / EZL 30 / -1.5 / 13 kV. Mass & wire scans started.

Wire scans good.

Monday, April 11, 2022, 13:58: Controller for TP6 is dead. Literally smokes if you try to use it.

Monday, April 11, 2022, 14:05: HV to 0 kV / Off. IV4 closed. Anode & Coil to 0.

Tuesday, April 12, 2022, 07:14: Vacuum instability noted. 2 spikes to 4.6e-06T. Back to 2.48e-06T. BIAS / EE / EZL 30 / -1.5 / 13 kV. IV4 opened. Coil to 10 A. Anode to 100 V Optics standard tune set.

Mass & wire scans started.

Tuesday, April 12, 2022, 08:16: FM tune used. Mass & wire scans ok. Minor vacuum instability continues. Begin auto-cooling @ 2 A per min.

Tuesday, April 12, 2022, 08:27: Coil, Anode off. HV off. Closed SV5. Closed IV4

928

Wednesday, May 25, 2022, 15:48

Wednesday, May 25, 2022, 15:46: Roughing.

Wednesday, May 25, 2022, 16:21: TP1B on.

Wednesday, May 25, 2022, 16:38: TP1A on.

Wednesday, May 25, 2022, 16:46: IG1 on.

Thursday, May 26, 2022, 09:20: FS#5 Waterline opened. Vacuum ok @ 5.27e-06T.

HV preset: BIAS / EE / EZL @ 30 / -1.0 / 15 kV

Friday, May 27, 2022, 05:11: Coil to 40 A. Anode t0 300 V.

Friday, May 27, 2022, 05:16: TGHT on. Auto-ramping TGHT / TBHT to 580 / 290 @ 2 A per min.

Friday, May 27, 2022, 07:14: Optics set & IV4 opened. TGHT / TBHT @ 242 A (Ramping ongoing)

Friday, May 27, 2022, 17:17 : IG1 @ 5.19e-6 T. TBHT @ 290 A. TGHT @ 540 A since 16:27.

Friday, May 27, 2022, 17:18: The assembly has been outgassing and the good vacuum limit was reached, preventing reaching the operational point.

Friday, May 27, 2022, 17:19: Auto-ramp up aborted. We'll heat up again Monday morning.

Friday, May 27, 2022, 17:20: Auto-cooling to 0 A @ 2A/min

Sunday, May 29, 2022, 21:35: Auto-ramping TGHT/ TBHT to 350 / 150 A @ 2 A per min - AS.

Sunday, May 29, 2022, 21:40: Vacuum @ 1.43e-06T.

Monday, May 30, 2022, 04:53: Vacuum @ 1.49e-06T. Auto-ramping TGHT / TBHT to 580 / 290 A @ 2 A per min - AS

Monday, May 30, 2022, 08:06: Initial wire & mass scans ok. Increase EE to -1.5 kV.

Monday, May 30, 2022, 08:30: EE back to -1.0 kV.

Monday, May 30, 2022, 10:31: BIAS / EE / EZL / Anode @ 0 kV. Lock over. Open back/top cage.

FM
Monday, May 30, 2022, 11:21: Mass set to 40Ar+. The gas on/off now shows an effect on the signal

Monday, May 30, 2022, 11:24: Running a small scan to test the web-app

Monday, May 30, 2022, 14:00: Spark towards TBHT, TPS:Q1 charged up.

Monday, May 30, 2022, 14:30: Spark to anode.

Monday, May 30, 2022, 16:16: Issue preventing FEBIAD-scan solve.

Monday, May 30, 2022, 16:16 : FEBIAD scan on 40Ar+.

Monday, May 30, 2022, 17:00: TMS :VCB1 died in the middle of the scan. Scan aborted save id 1085. Starting a new scan

Monday, May 30, 2022, 18:24: measured_id = 1086

Moving to H2O

Monday, May 30, 2022, 18:30: Scan started for H2O.

Monday, May 30, 2022, 19:53: Scan finished. measure_id = 1087

Monday, May 30, 2022, 19:58: Gas off. Scan for H2O ready to go.

Monday, May 30, 2022, 19:59: Scan started

Monday, May 30, 2022, 21:21: Scan finished. measured_id = 1089

Monday, May 30, 2022, 21:32: Auto-cooling to 0 A @ 2A/min

Tuesday, May 31, 2022, 05:10: All HV & Sources off.

Tuesday, May 31, 2022, 05:11: IV4 closed. IG1 & turbo pumps off.

Tuesday, May 31, 2022, 07:02: IV4 reset. Venting.

Tuesday, May 31, 2022, 07:08: FS#5 purged. Power locked up.

930

Tuesday, May 31, 2022, 13:35

Conditioning UC#38 assembly

Using a broken LP-FEBIAD source. TGHT only.

Tuesday, May 31, 2022, 13:24: Roughing.

Tuesday, May 31, 2022, 13:54: TP1B on.

Tuesday, May 31, 2022, 14:06: TP1A on.

Tuesday, May 31, 2022, 14:13: IG1 on.

Wednesday, June 01, 2022, 07:41: Vacuum @ 2.13e-06T. Waterline FS#5 open.

Wednesday, June 01, 2022, 07:43: Power/Sources on.

Wednesday, June 01, 2022, 07:51: Auto-ramping TGHT to 580A @ 2A per min.

Monday, June 06, 2022, 07:09: Auto-cooling @ 2A per min.

Wednesday, June 08, 2022, 07:07: Turbo pumps off.

Wednesday, June 08, 2022, 07:53: Venting.

932

Saturday, June 18, 2022, 10:04

Note: SiC#42 replacement.

Saturday, June 18, 2022, 09:54: Roughing.

Saturday, June 18, 2022, 10:08: Data logger removed. Pins 4 & 5 grounded. Power on.

Saturday, June 18, 2022, 10:41: TP1B on.

Saturday, June 18, 2022, 10:48: TP1A on.

Saturday, June 18, 2022, 10:55: IG1 on.

Saturday, June 18, 2022, 11:13: Gases on. Cage closed up. SV5 remains on. SV4 (Argon tank) Closed.

Saturday, June 18, 2022, 11:14: Vacuum @ 2.49e-05T.

Saturday, June 18, 2022, 11:15: Waterline FS#5 opened.

Saturday, June 18, 2022, 11:22: Electrical check w/ IG1 bypass

BIAS / EE / EZL @ 2.5 / -0.5 / 1 kV. Anode @ 100V.

TGHT / TBHT @ 5 A each. Coil @ 5 A.

Saturday, June 18, 2022, 11:23: All checks clear. Bypass removed. Ready for remote operation. Vacuum @ 2.14e-05T

Saturday, June 18, 2022, 21:34: Sources on. Vacuum @ 3.38e-06T. IV4 open.

Saturday, June 18, 2022, 21:36: Optics on. Standard tune.

Saturday, June 18, 2022, 22:24: Auto-ramping TGHT / TBHT to 350 / 150 A @ 2 A per min to out gas overnight.

Saturday, June 18, 2022, 22:55: BIAS / EE / EZL @ 2.5 / -0.5 / 1 kV. Anode @ 100V. Coil @ 10 A. Low settings left as a general electrical check to run as the target heats up.

Sunday, June 19, 2022, 16:37: Vacuum @ 1.60e-06T.

Sunday, June 19, 2022, 16:40: Open SV4 (Argon gas - W/ quick steps on procedure). Vacuum ok.

Sunday, June 19, 2022, 16:42: Auto-ramping TGHT / TBHT to 580 / 290 A @ 2 A per min.

Sunday, June 19, 2022, 19:48: BIAS / EE / EZL / Anode @ 0. Coil to 0.

Sunday, June 19, 2022, 19:59: Anode tapped up manually to 400 V @ approx 1 V per second.

Sunday, June 19, 2022, 20:14: Anode tapped up manually to 0 V @ approx 1 V per second.

Sunday, June 19, 2022, 20:14: Coil tapped up manually to 100 A @ approx 1 A per second.

Sunday, June 19, 2022, 20:15: Full Trip. Vacuum limit passed. TGHT / TBHT Went to 0 A

Sunday, June 19, 2022, 20:17: TGHT / TBHT @ 580 / 290 A.

Sunday, June 19, 2022, 20:31: Stable. Vacuum @ 4.21e-06T.

Sunday, June 19, 2022, 20:58: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. Anode @ 100 V.

Sunday, June 19, 2022, 21:00: Coil @ 10 A. Vacuum @ 3.49e-06T.

Sunday, June 19, 2022, 21:07: Begin mass & wire scans.

Sunday, June 19, 2022, 21:39: Scans complete.

Monday, June 20, 2022, 05:58: Further mass, wire, & emittance scans.

Monday, June 20, 2022, 06:29: Coil @ 40 A, Anode @ 300 V. Optics set to FM tune.

Monday, June 20, 2022, 06:59: Scans complete. Auto-cooling @ 3 A per min.

Monday, June 20, 2022, 07:03: Coil & Anode to 0 A / 0 V.

Monday, June 20, 2022, 07:07: BIAS / EE / EZL @ 0 kV.

Monday, June 20, 2022, 10:12: IV4 closed.

Monday, June 20, 2022, 10:13: Gases closed. IG1 off. Turbo pumps off.

Monday, June 20, 2022, 11:09: Venting.

936

Thursday, July 07, 2022, 16:52

Conditioning UC#39 assembly

No UCx target installed. Straight / blank oven in use for out gassing.

Thursday, July 07, 2022, 16:50: Roughing.

Thursday, July 07, 2022, 16:53: BV1A Open.

Thursday, July 07, 2022, 17:31: TP1B on.

Thursday, July 07, 2022, 17:36: TP1A on.

Thursday, July 07, 2022, 17:46: IG1 on. Vacuum @ 2.31e-05T

Thursday, July 07, 2022, 17:47: Waterline FS#5 Opened. Vacuum @ 2.05e-05T & continuing down.

Thursday, July 07, 2022, 18:00: Bypass on IG1. 10A TGHT Check. Ok. Back to 0A. Removed bypass. Ready for remote operation.

Friday, July 08, 2022, 10:44: Started autoramping TGHT 580A/TBHT 0A

Friday, July 08, 2022, 15:37: Autoramping complete

Saturday, July 09, 2022, 07:34 : ramp down started

Sunday, July 10, 2022, 22:14: IG1, TP1B & A off. TP6 has tripped. Sources off.

962

Monday, April 17, 2023, 14:08

Monday, April 17, 2023, 14:03: Roughing.

Monday, April 17, 2023, 14:08: BV1A open.

Monday, April 17, 2023, 14:32: TP1B on.

Monday, April 17, 2023, 14:38: TP1A on.

Monday, April 17, 2023, 14:47: TP1A Timed out. Restarted it within 30 seconds & it's up to speed. IG1 on.

Tuesday, April 18, 2023, 11:49: Vacuum @ 3.68e-07T. Waterline FS#5 opened. Vacuum stable.

Tuesday, April 18, 2023, 11:52: Power / Sources on.

Tuesday, April 25, 2023, 12:20: Power / Sources off

Tuesday, April 25, 2023, 12:26: IG1 Off. TP1B & TP1A off.

965

Friday, May 05, 2023, 06:49

Ceramic elbow installed on the anode.

Friday, May 05, 2023, 06:47: Roughing.

Friday, May 05, 2023, 07:24: TP1B on.

Friday, May 05, 2023, 07:34: TP1A on.

Friday, May 05, 2023, 07:43: IG1 on.

Friday, May 05, 2023, 12:12: Vacuum @ 6.91e-06T. FS#5 opened. Vacuum stable.

Friday, May 05, 2023, 12:16: Power/sources on. Gases set

Friday, May 05, 2023, 12:19: Optics on / set.

Friday, May 05, 2023, 12:21: Quick System ready check - OK. Manually set.

TGHT / TBHT @ 5 / 5 A

BIAS / EE / EZL @ 1 / -0.5 / 1 kV

Anode @ 100 V - 7.326mA

Coil @ 10 A.

Friday, May 05, 2023, 12:23: Ready for operation. All sources back to 0 A / 0 V. Optics remain. Vacuum continues down @ 6.70e-06T.

Monday, May 08, 2023, 08:21: IV4 open.

Monday, May 08, 2023, 08:25: Tap up Anode in steps @ 20 v per 20 seconds.

Anode @ 100 V = 4.884 mA

Anode @ 200 V = 6.105 mA

Anode @ 300 V = 7.326 mA

Anode @ 400 V = 7.326 mA

Monday, May 08, 2023, 08:42: Anode tapped down to 20 V.

Monday, May 08, 2023, 08:52: Coil tapped up to 70 A @ 7 A per minute.

Monday, May 08, 2023, 09:12: Coil tapped back down to 0 A @ 7 A per minute.

Monday, May 08, 2023, 09:15: Auto-ramping TGHT / TBHT to 580 / 290 A @ 2 / 1 A per min.

Monday, May 08, 2023, 09:20: BIAS / EE / EZL set to 10 / -1.0 / 5 kV.

Monday, May 08, 2023, 14:37: TGHT / TBHT @ 580 / 290 A. BIAS / EE / EZL set to 30 / -1.5 / 13 kV.

Monday, May 08, 2023, 14:38: Anode tapped up to 100 V @ 20 V per 20 seconds. Begin mass & wire scans.

Monday, May 08, 2023, 15:01: Mass & wire scans complete.

Monday, May 08, 2023, 18:59: Tap up Anode in steps @ 20 v per 20 seconds from 100 V.

Anode @ 100 V = 9.768 mA

Anode @ 200 V = 12.210 mA

Anode @ 300 V = 14.652 mA

Monday, May 08, 2023, 19:05: Anode @ 400 V = 17.094 mA

Monday, May 08, 2023, 19:18: Anode tapped down to 20 V.

Monday, May 08, 2023, 19:24: BIAS / EE / EZL @ 1 / -0.5 / 1 kV

Monday, May 08, 2023, 19:35: Coil tapped up to 70 A @ 7 A per minute.

Monday, May 08, 2023, 19:49: Coil tapped back down to 0 A @ 7 A per minute. Vacuum rose to 6.20e-06T @ 70A. Stabilized back down around 2.24e-06T.

Monday, May 08, 2023, 19:53: Auto-cooling @ 1 A per minute.

Tuesday, May 09, 2023, 06:59: Anode, & HV sources to 0 V. IV4 closed.

Tuesday, May 09, 2023, 07:35: SV5 closed. Power / sources off.

Tuesday, May 09, 2023, 07:38: IG1 off. TP1B & TP1A off.

Tuesday, May 09, 2023, 08:49: Venting.

971

Thursday, July 06, 2023, 16:55

Thursday, July 06, 2023, 16:13: Roughing.

Thursday, July 06, 2023, 16:41: TP1B on.

Thursday, July 06, 2023, 16:47: TP1A on.

Thursday, July 06, 2023, 16:55: TP1A Trip, reset.

Thursday, July 06, 2023, 16:56: IG1 on.

Thursday, July 06, 2023, 16:58: Vacuum @ 1.32e-05T. Waterline FS#5 open.

Thursday, July 06, 2023, 17:02: Power's on. HV Rack is open.

Friday, July 07, 2023, 06:52: Auto-ramping TGHT / TBHT to 350 / 150 A @ 2A per minute. Vacuum at 5.02e-07T

Attempted to open IV4, however it timed out.

Friday, July 07, 2023, 08:25: IV4 reset & opened.

Friday, July 07, 2023, 09:02: HV on.

Friday, July 07, 2023, 09:40: BIAS / EE / BIAS @ 30 / -1.5 / 13 kV.

Friday, July 07, 2023, 10:10: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2A per minute. Vacuum at 6.34e-07T

Friday, July 07, 2023, 10:28: Optics set. FC0 @ 3.36e-11, set from 1uA to 100 nA.

Friday, July 07, 2023, 10:59: Reduce BIAS to 20 kV due to sparking.

Friday, July 07, 2023, 12:24: BIAS back to 30 kV. TGHT / TBHT @ 580 / 230 A. FC0 @ 2.52e-09. Vacuum @ 1.32e-06T. Beginning mass & wire scans.

Friday, July 07, 2023, 16:57: BIAS / EE / BIAS @ 0 kV.

Friday, July 07, 2023, 16:59: Vacuum @1.14e-06T. Auto-cooling @ 2 A per min.

978

Friday, August 25, 2023, 17:21

Replacement for Nb#10

Friday, August 25, 2023, 17:15: Roughing.

Friday, August 25, 2023, 17:57: Vacuum taking a while to rough down. Vacuum @ 1.034T. Opened FS#5.

Friday, August 25, 2023, 17:59: Water leak noted. Venting.

Friday, August 25, 2023, 18:27: The left HS waterline was not tight. Chamber is cleaned out & wiped down.

Friday, August 25, 2023, 18:28: Roughing. Purge on RP1

Friday, August 25, 2023, 19:00: Open closed ballast repeatedly on RP1 to purge excess moisture.

Friday, August 25, 2023, 19:05: FS#5 open. No effect on vacuum. Vacuum @ 2.228T & dropping. Power / sources on.

Friday, August 25, 2023, 19:18: Quick bypass check with "IG1 on". Tapped up TGHT / TBHT to 5 A each, & down again. 500 V on & off the BIAS. ok. Bypass removed. Vacuum @ 1.222T. Will remote start TP later. Allow vacuum to stabilize. Otherwise ready for remote operation.

Friday, August 25, 2023, 23:14: Vacuum @ 0.135T. TP1B on.

Friday, August 25, 2023, 23:20: TP1B at speed. CG1 @ 0.165 T - Allow to stabilize.

Friday, August 25, 2023, 23:26: CG1 @ 0.091 T. TP1A on.

Friday, August 25, 2023, 23:36: TP1A Tripped. Reset & restart. TP1B off.

Saturday, August 26, 2023, 00:02: The TSG:CG1A limit to open needs to be increased from 0.050T to 0.100T. Currently at 0.070T. Unable to restart the TP until it's below the limit. Will wait till morning... Later in the morning.

Saturday, August 26, 2023, 09:19: TP1B switched on.

Saturday, August 26, 2023, 10:08: TP1A switched on.

Saturday, August 26, 2023, 10:16: TP1 A tripped. Reset right away - CG1A @ 0.048T.

Saturday, August 26, 2023, 10:17: IG1 on.

Saturday, August 26, 2023, 16:40: IV4 open.

Saturday, August 26, 2023, 16:41: Optics set. Vacuum @ 5.63e-06T

Saturday, August 26, 2023, 23:43: Vacuum @ 4.46e-06T. Auto-ramping TGHT / TBHT to 350 / 150 A @ 2 A per minute. Expecting outgassing however.

Sunday, August 27, 2023, 09:11: Vacuum @ 5.10e-06T. TGHT / TBHT @ 350 / 150 A. Auto-ramping TGHT to 400 A.

Sunday, August 27, 2023, 10:44: Abort TGHT @ 383 A. Auto-ramping TGHT / TBHT to 500 / 200 A.

Sunday, August 27, 2023, 19:13: Vacuum @ 5.08e-06T. TGHT / TBHT @ 422 / 189 A. Auto cool TGHT / TBHT to 250 / 100 A @ 4 A per minute.

Sunday, August 27, 2023, 20:06: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Sunday, August 27, 2023, 22:43: Halt auto-ramp @ 490 / 230 A.

Sunday, August 27, 2023, 22:50: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Sunday, August 27, 2023, 22:52: Begin mass & wire scans. Manually tap up TGHT to 500 A. Vacuum @ 5.36e-06T

Sunday, August 27, 2023, 23:04: Manually tap up TGHT to 505 A

Sunday, August 27, 2023, 23:09: Manually tapped up TGHT to 520 A.

Sunday, August 27, 2023, 23:11: Increase TSH auto-ramp vacuum limit from 5.00e-06T to 6.00e-06T. Auto-ramping TGHT to 580 A @ 3A per min.

Sunday, August 27, 2023, 23:25: TGHT up to 554 A . Vacuum limit reached. Take mass & wire scans.

Sunday, August 27, 2023, 23:59: Peak on Mass 40. Otherwise mostly back round.

Monday, August 28, 2023, 00:02: Reset TSH auto-ramp vacuum limit to 5.0e-06T. Auto-cooling @ 2A per minute.\

Monday, August 28, 2023, 00:09: HV tapped down to 0 V.

Monday, August 28, 2023, 06:08: IV4 closed. Sources off.

Monday, August 28, 2023, 06:09: IG1 & turbo pumps off.

Monday, August 28, 2023, 07:30: Power off. Venting. Purge FS#5.

980

Monday, September 25, 2023, 16:31

Conditioning Ta#66 & HV Tests.

Thermocouples installed on the left end plate x 2.

Monday, September 25, 2023, 16:23: Roughing.

Monday, September 25, 2023, 16:51: TP1B on.

Monday, September 25, 2023, 16:56: Waterline FS#5 open. Vacuum ok.

Monday, September 25, 2023, 16:58: Power on. TP1A on.

Tuesday, September 26, 2023, 09:44: Auto-ramping TGHT / TBHT to 350 / 150 A @ 2 A per minute.

Tuesday, September 26, 2023, 16:11: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per minute.

Tuesday, September 26, 2023, 16:12: IV4 opened.

Tuesday, September 26, 2023, 16:45: Optics on/set. BIAS / EE / EZL @ 1 / -0.5 / 1 kV. TC @ 47 / 51 C

Tuesday, September 26, 2023, 21:00: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. Spark @ 28 kV.

Tuesday, September 26, 2023, 21:41: Mass & wire scans taken. Masses from 110 to 160? Curious.

Wednesday, September 27, 2023, 08:24: TC @ 71 / 79 C.

Wednesday, September 27, 2023, 11:57: BIAS / EE / EZL @ 35 / -1.8 / 15 kV.

Wednesday, September 27, 2023, 12:06: BIAS / EE / EZL @ 40 / -2.0 / 17 kV. Spark right after.

Wednesday, September 27, 2023, 12:23: Recovered computer & epics controls from previous spark.

Wednesday, September 27, 2023, 12:36: BIAS / EE / EZL @ 45 / -2.3 / 19 kV. Spark @ 44.5 kV.

Wednesday, September 27, 2023, 13:17: Large spark *

Wednesday, September 27, 2023, 13:21: Closed IV4. Reset TSG:TP1B. TMS:TP6 Spinning up? Did not reset right away. Reset optics. Epics & Firefox on the TS computer are down.

Wednesday, September 27, 2023, 13:26: BIAS / EE / EZL @ 40 / -2.0 / 17 kV. Plus 1 spark while tapping the HV down. TMS:TP6 has recovered.

Wednesday, September 27, 2023, 14:01: HV to 0 kV. TS computer is disconnected from the network but epics is still running.

Wednesday, September 27, 2023, 14:05: TC @ 69.8 / 81 C

Thursday, September 28, 2023, 09:23: TS computer is running again. Continue HV tests.

Thursday, September 28, 2023, 09:31: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, September 28, 2023, 09:47: BIAS / EE / EZL @ 40 / -2.0 / 17 kV.

Thursday, September 28, 2023, 10:43: No sparks thus far.

Thursday, September 28, 2023, 10:46: BIAS / EE / EZL @ 45 / -2.3 / 19 kV.

Thursday, September 28, 2023, 10:50: Gauge for FEBIAD gases is "buzzing".

Thursday, September 28, 2023, 10:52: BIAS / EE / EZL @ 47.5 / -2.5 / 20 kV.

Thursday, September 28, 2023, 11:35: No sparks occurred. BIAS / EE / EZL @ 0 kV.

Thursday, September 28, 2023, 11:41: PS off. IV4 closed.

Thursday, September 28, 2023, 11:42: IG1 off. Turbo pumps off.

Thursday, September 28, 2023, 12:35: Venting.

1022

Friday, September 20, 2024, 14:22

https://elog.triumf.ca/TIS/Target+Production/146

Has not run through EVAP2.

Friday, September 20, 2024, 14:04: Roughing.

Friday, September 20, 2024, 14:39: TP1B on

Friday, September 20, 2024, 14:45: TP1A on.

Friday, September 20, 2024, 14:54: TP1A at speed. IG1 on.

Monday, September 23, 2024, 16:38 Water cooling on. no effect on vacuum pressure. Pressure at 6.0e-7T

Monday, September 23, 2024, 17:00 Ramping TGHT and TBHT to 580/230A at 1A/30s

Tuesday, September 24, 2024, 08:58 TGHT at 502A. Ramping program preventing further ramp up do to 'good vacuum' restriction at 1e-6T as outgassing is pushing up the chamber pressure. Increased good vacuum parameter to 5e-6T, resuming ramp up to 580A at 1A/30s.

Tuesday, September 24, 2024, 11:12: TGHT TBHT at 580/230A. Increasing BIAS/EZL/EE to 30/13/2.5 kV slowly.

Tuesday, September 24, 2024, 14:16: mass scan at high voltage completed - 2024-09-24--14-11 LP-Ta-24C - scan 1

Tuesday, September 24, 2024, 14:17 background signal recording problem persists, despite channel change conducted with controls team and Keiko - will continue to investigate switching to current integrators

Tuesday, September 24, 2024, 14:17 ramping up HV BIAS to 50kV for conditioning, alongside increased EZL voltage

Tuesday, September 24, 2024, 17:00 BIAS was stable at 50kV for 30min. no noticeable sparking.

also noted that the mass scan data was saved incorrectly. however, there are multiple screen captures of the mass scan which clearly detail which peaks are present.

HV elements decreased to zero and target was left hot overnight for outgassing and so beam content can be re-evaluated

Wednesday, September 25, 2024, 10:24 increasing BIAS/EZL/EE to 30/13/2.5 kV slowly.

Wednesday, September 25, 2024, 13:25 two mass scans conducted: 2024-09-25--12-39 LP-Ta-24C - scan 2, 2024-09-25--13-22 LP-Ta-24C - scan 3

Wednesday, September 25, 2024, 13:26 ramping down high voltages.

1023

Thursday, October 03, 2024, 16:26

HS note:

Base# 45235-16

Lid# 39956-8

Thursday, October 03, 2024, 16:04: Roughing. IG6? Error?

Thursday, October 03, 2024, 16:24: BV1A open.

Thursday, October 03, 2024, 16:32: TP1B on

Thursday, October 03, 2024, 16:43: TP1A on.

Thursday, October 03, 2024, 16:51: IG1 on.

Thursday, October 03, 2024, 20:01: Water cooling on. No effect to vacuum. TGHT TBHT ramping at 1A/30s to 580A/230A

Friday, October 04, 2024, 09:13 : Slowly increasing BIAS/EE/EZL to 30/2.5/13 kV.

Friday, October 04, 2024, 09:30: problem with TMSIG6 (low pressure sensor in beam line). Forced on for interlocks temporarily.

Friday, October 04, 2024, 11:14 mass scanned - FC6 background working. filename = 2024-10-04--11-11 HP-Ta-24D - scan 3.txt

Friday, October 04, 2024, 11:14 repeating mass scan. filename = 2024-10-04--11-40 HP-Ta-24D - scan 4.txt

Friday, October 04, 2024, 11:53 increasing to bias 50kV / ezl 33kV.

Friday, October 04, 2024, 12:34: BIAS/EZL at 50/33 kV. Leaving for HV conditioning.

Friday, October 04, 2024, 12:43 one spark from HV BIAS to ground caused TGHT to trip. Current was restored within 10s.

Friday, October 04, 2024, 15:31: decreasing BIAS/EZL to 30/13kV. Throughout time at high voltage, there were 3 sparks. Two were within 5 minutes of each other, and the last 2 hours proceeded without incident (no sparks)

Friday, October 04, 2024, 15:47 BIAS EZL at 30/13 kV. running final mass scan. background FC6 appears not to be working again. but then restored. scan file name = 2024-10-04--16-30 HP-Ta-24D - scan 5.txt

Friday, October 04, 2024, 16:22 decreasing biases to 0V

Friday, October 04, 2024, 16:23 ramping TGHT TBHT to 0/0A at -1A/30s

Monday, October 07, 2024, 07:58: IV4 closed. IG1 off. TP off.

Monday, October 07, 2024, 08:43: PS off. Waterlines purged. Venting.

Wednesday, September 14, 2011, 15:33