Graphite experiment insert 1: ID GR-230515, WO#45220-11. https://elog.triumf.ca/TIS/Evaporator_2/622

New disc form. End caps expanded, no Re foil installed. 4 heat shields wrapped around the oven.

Monday, August 14, 2023, 12:04: Roughing.

Monday, August 14, 2023, 13:09: TP1B on.

Monday, August 14, 2023, 13:16: TP1A on.

Monday, August 14, 2023, 13:24: IG1 on.

Monday, August 14, 2023, 13:31: Power / Sources on.

Monday, August 14, 2023, 13:33: Waterline FS#5 open. Vacuum @ 2.03e-05T & dropping. OK.

Monday, August 14, 2023, 14:58: IV4 open. 

Monday, August 14, 2023, 14:59: Optics set. 

Monday, August 14, 2023, 15:00: BIAS / EE / EZL @ 1 / -0.5 / 1 kV. ok

TGHT / TBHT tapped up to 5 / 5 A. ok . Vacuum @ 4.53e-06T.

Tuesday, August 15, 2023, 05:29: Auto-ramping TGHT / TBHT to 150 / 150 A @ 1 / 2 A per min. Vacuum @ 7.33e-07T

Tuesday, August 15, 2023, 05:35: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.  

Tuesday, August 15, 2023, 05:39: FC0 out. Magnet set to@ -2465 to -2467 G. Mass "22.225 - 22.235".

Tuesday, August 15, 2023, 07:29: Slope set to 1.00 on the pyrometer. Sighted on end cap. No temperature noted as yet. Signal of 3.21e-09 A on FC6. TGHT / TBHT @ 114.0 / 151.1 A.

Tuesday, August 15, 2023, 07:46: Mass scan on masses range 30 - 17 to find optimal peak.

Tuesday, August 15, 2023, 07:53: Mass 35.2 @ 1.05e-08 A on FC6

Tuesday, August 15, 2023, 07:59: Magnet set to -2406.9 to -2409.1 G. Mass "21.194 - 21.224". FC6 @ 7.36e-09.

Tuesday, August 15, 2023, 08:23: TGHT / TBHT @ 150 / 150 A

Tuesday, August 15, 2023, 08:21: Magnet set to -2419.77 to -2420.64. Mass "21.411 - 21.4396". FC6 @ 3.56e-09 A.

Tuesday, August 15, 2023, 08:24: Auto-ramping TGHT / TBHT to 200 / 200 A @ 1 / 2 A per min. Vacuum @ 7.24e-07T.

Tuesday, August 15, 2023, 09:35: Auto-ramping TGHT / TBHT to 230 / 230 A @ 1 / 2 A per min.

Tuesday, August 15, 2023, 10:16: TGHT / TBHT @ 230 / 230 A. Take a full range mass scan. Mass 5 - 150.

Tuesday, August 15, 2023, 10:32: http://isacwserv.triumf.ca/onlylocal/isactdata/save_restore/masscorr/2023-08-15-10-30%20Graphite%2045220-11%20at%20230%20A

Tuesday, August 15, 2023, 10:35: Magnet set to -2406.64 to -2409.1. Mass "21.187 - 21.219". FC6 @ 6.79e-11 A.

Tuesday, August 15, 2023, 10:39: Auto-ramping TGHT to 237 A @ 1 A per min. (monitor throughout)

Tuesday, August 15, 2023, 10:53: Auto-ramping TGHT to 250 A @ 1 A per min.

Tuesday, August 15, 2023, 11:14: Auto-ramping TGHT to 300 A @ 1 A per min.

Tuesday, August 15, 2023, 12:11: Auto-ramping TGHT to 350 A @ 1 A per min. Check FC0 periodically.

Tuesday, August 15, 2023, 13:13: Slope set to 0.93. Auto-ramping TGHT to 397 A @ 1 A per min.

Tuesday, August 15, 2023, 14:09: Auto-ramping TGHT to 400 A @ 1 A per min.

Tuesday, August 15, 2023, 14:18: Auto-ramping TGHT to 450 A @ 1 A per min.

Tuesday, August 15, 2023, 15:32: http://isacwserv.triumf.ca/onlylocal/isactdata/save_restore/masscorr/2023-08-15-15-31%20Graphite%2045220-11%20at%20450%20A

Tuesday, August 15, 2023, 16:21: http://isacwserv.triumf.ca/onlylocal/isactdata/save_restore/masscorr/2023-08-15-16-19%20Graphite%2045220-11%20at%20450%20A

Target oven #45241-1 swapped out. SS bolts were in use on the legs.

Molybdenum screws in the legs on oven #44812-2. No target to ion source cup interference. 3mm gap - OK.

TGHT - R: 1.215

TGHT - L: 1.206

TBHT - R: 2.014

TBHT - L: 2.013

Cathode cable detached from feed-through (B).

Wednesday, May 11, 2022, 10:04: Roughing.

Wednesday, May 11, 2022, 10:33: TP1B on.

Wednesday, May 11, 2022, 10:43: TP1A on.

Wednesday, May 11, 2022, 10:51: IG1 on.

Wednesday, May 11, 2022, 13:43: Vacuum @ 5.43e-06T. FS#5 Open.

Wednesday, May 11, 2022, 13:45: Vacuum @ 5.36e-06T. OK.

PE shimmed & extended 1mm due to likely ion source contact.

Thursday, May 12, 2022, 10:41: Roughing.

Thursday, May 12, 2022, 11:26: TP1B on. 

Thursday, May 12, 2022, 11:35: TP1A on.

Thursday, May 12, 2022, 11:43: IG1 on.

Thursday, May 12, 2022, 11:48: Vacuum @ 2.65e-05T. FS#5 Opened. No immediate spike.

Thursday, May 12, 2022, 11:50: Vacuum @ 2.47e-05T & dropping.

Friday, May 13, 2022, 07:32: TP/IG off.

Friday, May 13, 2022, 09:51: Venting.

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)

FM

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

AS

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.

Wednesday, March 29, 2023, 09:15: Roughing.

Wednesday, March 29, 2023, 12:22: TP1B on.

Wednesday, March 29, 2023, 12:40: TP1A on.

Wednesday, March 29, 2023, 13:03: IG1 on.

Thursday, March 30, 2023, 08:23: Vacuum @ 3.42e-07T.

Thursday, March 30, 2023, 08:24: Waterline FS#5 open. Vacuum ok.

Thursday, March 30, 2023, 08:31: Manual Checks:

TGHT / TBHT @ 5 / 5 A ok

BIAS / EE / EZL @ 1 / 0.5 / 1 kV ok.

Thursday, March 30, 2023, 08:32: Anode @ 100 V ok. Coil @ 10 A ok.

Thursday, March 30, 2023, 08:56: Auto-ramping TGHT / TBHT to 350 / 100 A @ 2 A per minute.

Thursday, March 30, 2023, 11:45: Abort heating. TGHT / TBHT @ 233 / 100 A.

Thursday, March 30, 2023, 13:53: Auto-cooling @ 2 A per min 

Thursday, April 13, 2023, 11:07: New TMS:RP2 roughing pump installed: Elog 961

Thursday, April 13, 2023, 12:06: Gas lines opened. Ar gas @ 50 kPa

Thursday, April 13, 2023, 13:34: IG1 @ 2.27e-07T / IG6 @ 6.46e-06T. Open IV4

Thursday, April 13, 2023, 13:35: IG1 @ 3.66e-07T / IG6 @ 6.31e-06T7.

Thursday, April 13, 2023, 13:39: IG1 @ 4.03e-07T / IG6 @ 6.24e-06T. Power / Sources on.

Thursday, April 13, 2023, 13:42: Optics still require vacuum below 5.01e-06T on IG6. Wait.

Friday, April 14, 2023, 06:30: Optics still not configuring on TMS:Q2,Q5 or TMS:CB1. Controls group notified. 

Friday, April 14, 2023, 06:42: Auto-ramping TGHT / TBHT to 350 / 150 A @ 2A per minute.  

Friday, April 14, 2023, 11:26: Optics fixed / set. Continue ramping to 580 / 270 A @ 2A per minute.

Friday, April 14, 2023, 12:27: Halt & hold ramping. Vacuum @ 5.01e-06T. 

Friday, April 14, 2023, 13:54: Ramping continued. 

Friday, April 14, 2023, 14:57: Halt & hold ramping. Vacuum @ 5.01e-06T. 

Friday, April 14, 2023, 15:38: Ramping continued. 

Friday, April 14, 2023, 15:47: TGHT / TBHT @ 580 / 290 A.

BIAS / EE / EZL @ 30 / -1.5 / 13 kV. Anode @ 100 V. Coil @ 10 A

Friday, April 14, 2023, 15:51: Anode @ 400 V. 

Friday, April 14, 2023, 15:52: Anode back to 300 V / 41 mA. . Limited around 350 V. Current limit 50 mA.

Friday, April 14, 2023, 15:55: Adjusted current limit. Anode @ 400 V / 72.039 mA.

Friday, April 14, 2023, 15:58: Adjust Anode current limit further. 300 mA. 

Friday, April 14, 2023, 16:06: Anode stable. Reduced current limit to 150 mA. Anode @ 400 A / 91.575 mA

Friday, April 14, 2023, 16:35: Spark* during mass scan. Current limited on the Anode. Reset optics as well.  

Friday, April 14, 2023, 16:41: Reduced Anode to 100 V /  30.525 mA. Current limit reduced to 100 mA. 

Friday, April 14, 2023, 19:45: Auto-Cooling @ 2 A per min. HV, Coil, & Anode to 0. 

Monday, April 17, 2023, 07:35: Coil manually tapped up to 80 A @ 8 A per min.

Monday, April 17, 2023, 08:39: IV4 closed. 

Monday, April 17, 2023, 08:44: Power ? Sources off.

Monday, April 17, 2023, 08:45: IG1 off. Turbos pump TP1B & TP1A off.

Monday, April 17, 2023, 13:24: Venting.

Monday, April 17, 2023, 13:26: Odd, the venting is going very slowly. "Aiding" the venting process.

Target oven was inspected post TS. Risks of cracking due to crystallization.

Anode remade with a ceramic "elbow-cube". Empty target oven in use for testing.

Wednesday, April 26, 2023, 08:44: BV1B open. Roughing.

Wednesday, April 26, 2023, 08:46: BV1A open

Wednesday, April 26, 2023, 09:15: TP1B on.

Wednesday, April 26, 2023, 09:21: TP1A on.

Wednesday, April 26, 2023, 09:31: IG1 on.

Wednesday, April 26, 2023, 10:43: Vacuum @ 2.33e-06T.

Wednesday, April 26, 2023, 10:51: Waterline FS#5 opened. Vacuum stable.

Wednesday, April 26, 2023, 11:00: Gases set. IV4 opened. (Timed out repeatedly. Reset w/ screwdriver)

Wednesday, April 26, 2023, 11:16: 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.

Wednesday, April 26, 2023, 11:19: Optics set after reset.

Wednesday, April 26, 2023, 11:57: System tapped back down. Hold off for better vacuum. Vacuum @ 1.26e-06T. 

Thursday, April 27, 2023, 07:21: Vacuum @ 3.57e-07T

Thursday, April 27, 2023, 07:32: Tapped up coil to 70 A @ 7 A per min. Hold. Vacuum @ 3.68e-07T.

Thursday, April 27, 2023, 07:42: Vacuum @ 4.96e-07T. Tap down coil @ 7 A per min.

Thursday, April 27, 2023, 07:55: Auto-ramp TGHT / TBHT to 200 / 150 A @ 2 A per min.

Thursday, April 27, 2023, 09:47: TGHT / TBHT @ 200 / 150 A.

Thursday, April 27, 2023, 10:00: Tap up Anode in steps @ 20 v per 20 seconds.

Anode @ 100 V = 4.884 mA

Anode @ 200 V = 7.326 mA

Anode @ 300 V = 10.989 mA

Anode @ 400 V = 13.431 mA

Thursday, April 27, 2023, 10:12: BIAS / EE / EZL @ 10 / -1.0 / 5 kV.

Thursday, April 27, 2023, 10:21: Auto-ramp TGHT / TBHT to 400 / 200 A @ 2 A per min.

Thursday, April 27, 2023, 11:43: Anode tapped down to 100 V -  8.547mA. Some instability noted.

Thursday, April 27, 2023, 12:17: Auto-ramp TGHT / TBHT to 580 / 290 A @ 2 A per min.

Thursday, April 27, 2023, 12:18: Anode to 20 V.

Thursday, April 27, 2023, 14:09: Tap up Anode in steps @ 20 v per 20 seconds.

Anode @ 100 V = 9.768

Anode @ 200 V = 13.431 mA

Anode @ 300 V = 15.873 mA

Anode @ 400 V = 18.315 mA

Thursday, April 27, 2023, 14:19: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, April 27, 2023, 14:50: Mass & wire scans complete.

Thursday, April 27, 2023, 21:52 : Anode sat at 400V for ~8hrs. One spark early on when HV sparked, otherwise stable drawing ~18mA. Ramped anode to zero and BIAS/EL down to 10/5 for the night (Carla).

Friday, April 28, 2023, 07:01: Auto-cooling TGHT / TBHT @ 2 A per minute.  

Friday, April 28, 2023, 13:05: HV to 0. SV5 closed.  

Monday, May 01, 2023, 07:34: Power / Sources off. IG1 off. TP1A & TP1B off.

New TiC LP-FEBIAD Target installed.

Monday, May 01, 2023, 14:23: Roughing.

Monday, May 01, 2023, 21:42: TP1B on 

Monday, May 01, 2023, 21:49: TP1A on. 

Monday, May 01, 2023, 21:57: IG1 on. 

Tuesday, May 02, 2023, 08:39: Vacuum @ 1.16e-06T. Waterline FS#5 opened.

Tuesday, May 02, 2023, 08:48: Power / sources on. Source gas set. SV5 remains open.

Tuesday, May 02, 2023, 09:00: Optics set.

Tuesday, May 02, 2023, 09:13: System ready check - OK. Manually set.

TGHT / TBHT @ 5 / 5 A

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

Anode @ 100 V - 10.989 mA

Coil @ 10 A.

Tuesday, May 02, 2023, 10:12: Coil @ 70 A. Tapped up manually @ 7 A per minute.  

Tuesday, May 02, 2023, 12:20:

Tap up Anode in steps @ 20 v per 20 seconds.

Anode @ 100 V = 10.989 mA

Anode @ 200 V = 12.210 mA

Anode @ 300 V = 12.210 mA

Anode @ 400 V = 13.431 mA 

Tuesday, May 02, 2023, 12:36: Anode @ 20 V. 

Tuesday, May 02, 2023, 12:53: BIAS / EE / EZL @ 10 / -0.5 / 5 kV

Wednesday, May 03, 2023, 04:30: Auto-ramping TGHT / TBHT to 550 / 280 A @ 1 A per minute. 

Wednesday, May 03, 2023, 10:42: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

TGHT / TBHT @ 360 / 280 A. Ramping ongoing. 

Wednesday, May 03, 2023, 14:04: TGHT / TBHT @ 550 / 280 A

Wednesday, May 03, 2023, 14:10: Anode tapped up to 100 V @ 20 V per 20 seconds.

Wednesday, May 03, 2023, 14:25: Large spark*. Reset Optics.  

Wednesday, May 03, 2023, 14:46: Mass & wire scans complete. 

Wednesday, May 03, 2023, 17:05: Anode & coil checks complete. Auto-cooling of TGHT / TBHT @ 1 / 2 A per minute.

Wednesday, May 03, 2023, 22:51: IV4 closed. 

Thursday, May 04, 2023, 07:35: SV5 closed. Sources / Power off.

Thursday, May 04, 2023, 07:37: IG1 off. TP off.

Thursday, May 04, 2023, 09:17: Venting.

 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

 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.

Friday, May 17, 2024, Spare FEBIAD Development target installed

Friday, May 17, 2024, 17:00: Roughing

Friday, May 17, 2024, 17:38:  TP1B started.

Friday, May 17, 2024, 17:43 TP1B Green. OK.

Friday, May 17, 2024, 17:46 : TP1A on.

Friday, May 17, 2024, 17:54 : TP1A Green. OK.

 Tuesday, May 21, 2024, 09:47 :   TP1A and TP1B switched off. Source tray calibrated leak to be removed.

 Tuesday, May 21, 2024, 10:13 :   VV1 open for venting to atmospheric pressure.

Tuesday, May 21, 2024, 11:26 :  Source tray calibrated leak removed, target calibrated leak connected to gas line. Chamber closed, roughing valves open. Roughing down.

 Tuesday, May 21, 2024, 12:02  TP1B on

Tuesday, May 21, 2024, 12:04: TP1A on. 

 Tuesday, May 21, 2024, 15:12  gradually raising BIAS/EL/EE voltages to 50kV/25kV/2kV.

Tuesday, May 21, 2024, 15:58  increasing BIAS to 50+kV, watching for sparks.

Tuesday, May 21, 2024, 16:38: voltage stable at 55kV. after 10 minutes, of high voltage with no sparks, dropping the voltages to 0V.

Wednesday, May 22, 2024, 11:36:  increasing voltage BIAS/EL/EE to 30kV/15kV/1.5kV.

Wednesday, May 22, 2024, 11:56 gradually increasing COIL to 80A, letting vacuum recover as necessary. 

Wednesday, May 22, 2024, 13:31:  COIL to 90A, recovering vacuum.

 Wednesday, May 22, 2024, 16:58 increasing TGHT TBHT to 440A/290A at 1A/30s. reducing COIL to 0A and voltages to 0V overnight

Thursday, May 23, 2024, 11:14 :  increasing voltage BIAS/EL/EE to 30kV/13kV/1.5kV.

Thursday, May 23, 2024, 11:33:  Sensor on beam line vacuum TMSIG6 not working. reports bad vacuum, despite both TMSTP6 TMSTP2 running at full speed. Likely that vacuum is at appropriate level.

Thursday, May 23, 2024, 11:35: turning on optics and confirming correct tune.  --- cannot do this due to interlock on TP6.  investigating problem. -- switched to filament 2 on control panel

Thursday, May 23, 2024, 13:14:  after setting magnet to argon-40, running degaussing script for coil / anode optimization  - measure_id= 6220.  heat map at bottom. . optimal point at 120V 40A (local maximum)

Thursday, May 23, 2024, 13:45:  allowing vacuum to recover after scan. vacuum during scan was approximately 4e-6 T

Thursday, May 23, 2024, 13:57 running mass scan with gas on -  2024-05-23-14-25 LP FEBIAD backup leak 1.txt

Thursday, May 23, 2024, 14:29 mass scan gas off (purged) - 2024-05-23-15-03 LP FEBIAD backup leak 2.txt

Thursday, May 23, 2024, 15:04   increasing tght tbht to 490A 320A 

Thursday, May 23, 2024, 15:26:  when at TGHT TBHT = 461A/313A, the anode power supply began current limiting (shorted to hvc)

Thursday, May 23, 2024, 15:28  cooling to 460A/310A

Thursday, May 23, 2024, 15:35  cooling to 450A/300A 

 Thursday, May 23, 2024, 15:44  stopped cooling at 455A/305A as the anode became UNshorted.

Thursday, May 23, 2024, 16:19  mass scan with gas off - 2024-05-23-16-18 LP FEBIAD backup leak 3.txt

Thursday, May 23, 2024, 16:21   gas on - mass scan -  2024-05-23-16-51 LP FEBIAD backup leak 4.txt

Thursday, May 23, 2024, 16:52 :  increasing TGHT TBHT again to test anode shorting threshold:  - shorted at: 458A/308A.  then decreased to 450A/300A, did not UNshort until after a few minutes at that current.  shorted when increased to 456/306

Thursday, May 23, 2024, 17:22   decreasing voltages to 0V

 Thursday, May 23, 2024, 11:14 :  increasing voltage BIAS/EL/EE to 30kV/13kV/1.5kV.

 Tuesday, May 28, 2024, 12:59  cooling target to 0A. will remove target to attempt fix on anode short.

 Tuesday, May 28, 2024, 17:17   TGHT TBHT at 0A. TP1A and TP1B off.

Anode short repaired (Should be :) )

Thursday, May 30, 2024, 15:56: Roughing.

Thursday, May 30, 2024, 16:10: Waterline FS#5 open. Vacuum ok & roughing down.

Bypassed IG1. TGHT / TBHT @ 5 A. Ok.

Anode to 100 V. Ok.

Thursday, May 30, 2024, 16:12: TGHT / TBHT / Anode to 0. Bypass removed.

Thursday, May 30, 2024, 16:26: TP1B on.

Thursday, May 30, 2024, 16:33: TP1A on.

Thursday, May 30, 2024, 16:41: IG1 on.

Friday, May 31, 2024, 08:50: Anode to 400 V. OK. Tapped back down. Vacuum @ 5.07e-07T 

Friday, May 31, 2024, 09:12   increasing TGHT TBHT to 440 230A at 1A/30s- dn

 Friday, May 31, 2024, 10:20  at ~130A, increased heating rate to 1.4A/10s - dn

 Friday, May 31, 2024, 11:22  anode increased to 200V, TGHT TBHT at 440 230A.  increasing TBHT to 290A

Friday, May 31, 2024, 11:38  ANODE shorted to hvc at TBHT=286A

Friday, May 31, 2024, 11:39  decreased TBHT to 285A. waiting to reestablish ANODE voltage.

Friday, May 31, 2024, 11:48 decreased TBHT to 280A, waiting to reestablish ANODE voltage. 

 Friday, May 31, 2024, 12:59 decreased TBHT to 275A, waiting to reestablish ANODE voltage.  

Friday, May 31, 2024, 12:09 decreased TBHT to 270A, waiting to reestablish ANODE voltage.  ---> recovered after 2 min at 270

Friday, May 31, 2024, 14:09 decreased TGHT TBHT to 0 for target removal monday.

Monday, June 03, 2024, 09:04 TP1A TP1B off. Waiting 30min for turbo pumps to slow, prior to venting to atmosphere.

 Monday, June 03, 2024, 10:07 venting. VV1 open. - target subsequently removed for testing possible shorting fix

Friday, June 14, 2024, 16:37:  Ceramic spacer placed between the anode and plasma electrode.

Target returned to test stand. Rough vacuum on.

Monday, June 17, 2024, 09:34:  TP1A on, TP1B on.

 Monday, June 17, 2024, 16:54  increasing tght tbht to 440 230 A at 1A/30s

 Tuesday, June 18, 2024, 14:14 Increasing ANODE to 100V .    Voltage holding.  Increasing TBHT to 290A, watching anode voltage for possible temperature induced short.

 Tuesday, June 18, 2024, 14:54   ANODE shorted at TBHT = 290A.   cooling TBHT to reestablish ANODE OL.

Tuesday, June 18, 2024, 15:04 ANODE OL reestablished at TBHT = 283A

Tuesday, June 18, 2024, 15:05  Increasing TBHT again. 1A/2min

Tuesday, June 18, 2024, 15:32 ANODE shorted again when TBHT reached 290A

Tuesday, June 18, 2024, 15:32   cooling tght tbht. ANODE OL reestablished at TBHT 275A

Tuesday, June 18, 2024, 15:42 reheating to 440A 290A with ANODE at zero, to see if there is a difference compared to heating with ANODE ON/OFF

 Tuesday, June 18, 2024, 15:55  confirmed shorted when hot. cooling to zero. 1A/30s

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

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.

 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 

Tuesday, May 09, 2023, 10:28: Roughing.

Tuesday, May 09, 2023, 11:25: TP1B on. 

Tuesday, May 09, 2023, 12:38: TP1A on.

Tuesday, May 09, 2023, 12:49: IG1 on. 

Wednesday, May 10, 2023, 10:41: Waterline FS#5 opened. Vacuum @6.36e-07T

Wednesday, May 10, 2023, 10:56: IV4 open. Power / sources / optics on. 

Wednesday, May 10, 2023, 10:59: Auto-ramping TGHT / TBHT to 300 / 150 A @ 2 / 1 A per minute. 

Wednesday, May 10, 2023, 11:09: BIAS / EE / EZL @ 10 / -1.0 / 5 kV. 

Wednesday, May 10, 2023, 11:54: Vacuum climbing quickly @ 4.10e-06T. Halt ramping to stabilize. TGHT / TBHT @ 100 / 50 A.

Wednesday, May 10, 2023, 11:59: Vacuum @ 7.69e-06T & still climbing. 

Wednesday, May 10, 2023, 12:05: Levelled off @ 8.91e-06T. 

Wednesday, May 10, 2023, 13:16: Vacuum @ 2.04e-06T. Auto-ramping TGHT / TBHT to 200 / 100 A @ 2 / 1 A per minute.

Wednesday, May 10, 2023, 13:34: Abort ramping. 

Wednesday, May 10, 2023, 13:52: Vacuum @ 4.35e-06T. Restart auto-ramping TGHT / TBHT to 200 / 100 A @ 1 A per minute.

Wednesday, May 10, 2023, 15:43: Vacuum @ 1.05e-06T. Auto-ramping TGHT / TBHT to 300 / 150 A @ 1 A per minute.  

Wednesday, May 10, 2023, 16:36: Vacuum @ 8.23e-07T. TGHT  / TBHT @ 250 A / 150 A. Auto-ramping TGHT / TBHT to 450 / 250 A @ 2 / 1 A per minute.  

Wednesday, May 10, 2023, 20:52: Vacuum @ 5.01e-06T. TGHT / TBHT Slowly ramping due to vacuum limit being reached. 

Thursday, May 11, 2023, 05:42: TBHT reduced @ 230 A. Auto-ramping TGHT to 580 A @ 2 A per min 

Thursday, May 11, 2023, 05:52: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, May 11, 2023, 09:30: Mass & wire scans complete.

Friday, May 12, 2023, 07:21: Auto-cooling @ 1 A per min.

Friday, May 12, 2023, 11:54: HV to 0 kV. 

Tuesday, May 16, 2023, 11:03: IV4 closed. Power / Sources off. Locked out.

Tuesday, May 16, 2023, 11:04: IG1 & IG6 off. All turbo pumps off.

Tuesday, May 16, 2023, 12:19: Venting.

(Spare HP-SIS SiC SiC-23B)

Wednesday, May 31, 2023, 15:18: Roughing.

Thursday, June 01, 2023, 07:30: TP1B on.  

Thursday, June 01, 2023, 07:31: TMS:TP6 & TMS:TP2 on. 

Thursday, June 01, 2023, 07:38: IG6 on. TSG:TP1A on.

Thursday, June 01, 2023, 07:48: IG1 on.

Thursday, June 01, 2023, 08:26: Waterline FS#5 on. Vacuum @ 1.40e-06T. Power on.

Thursday, June 01, 2023, 08:28: Sources on. IV4 open.

Thursday, June 01, 2023, 08:31: Optics set.

Thursday, June 01, 2023, 08:33: Quick check: Manually tap up TGHT / TBHT to 5 / 5 A

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

Thursday, June 01, 2023, 08:51: Auto-ramping TGHT / TBHT to 100 / 50 A @ 2 A per min.

Thursday, June 01, 2023, 09:55: Auto-ramping TGHT / TBHT to 300 / 100 A @ 2 A per min.

Thursday, June 01, 2023, 11:36: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Thursday, June 01, 2023, 13:56: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. 

Thursday, June 01, 2023, 14:20: Mass & wire scans.

Friday, June 02, 2023, 07:10: Mass & wires scans complete. Auto-cooling @ 2 A per min 

Friday, June 02, 2023, 09:22: BIAS / EE / EZL @ 0 kV. 

Thursday, June 08, 2023, 07:51: IV4 closed. Power / Sources off.

Thursday, June 08, 2023, 07:53: IG1 & Turbo pumps off.

Thursday, June 08, 2023, 10:32: Venting.

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.

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.

Wednesday, October 09, 2024, 11:28   Target loaded, remote power supply added for mass marker, negative channel on pin 5, positive channel on pin 7.

Wednesday, October 09, 2024, 11:50   roughing

 Wednesday, October 09, 2024, 12:51   Turbo pumps TP1A TP1B on

 Thursday, October 10, 2024, 09:27:   Water cooling turned on. no effect on vacuum (2.6e-6T)

Thursday, October 10, 2024, 09:45:   Increasing TGHT TBHT to 150/150A at 1A/30s

Thursday, October 10, 2024, 11:07    TGHT TBHT at 120/120A  .   increasing TGHT TBHT to 580/230 at 1A/10s 

Thursday, October 10, 2024, 12:29   during the current increase, when TBHT was at 230 and TGHT reached ~460, the TBHT current began decreasing. Upon inspection, the TBHT voltage is higher than normal and hitting its limit. It may be that there is another current path. that is, it may be shorted. 

as TGHT increases, TBHT voltage continues to increase.   TGHT voltage is similarly higher than usual, at 6V to deliver 500A.

on another note, the vacuum value has been increasing slowly throughout heating, possibly due to the presence of indium within the mass marker reservoir, or simply because this target has not been hot for some time. Leaving TGHT at 502A for the time being.

Thursday, October 10, 2024, 13:34    Increasing BIAS/EE/EZL to 30/2.5/13 kV. 

Thursday, October 10, 2024, 14:27  beginning mass scan - reservoir at 0 A. (reservoir contains solid Indium)    - mass scan res In 0A

 Thursday, October 10, 2024, 15:19   increased current through reservoir with magnet sitting at mass 115 - noticeable increase in Indium presence in beam beginning at ~2.5A. Brought res current to 3.0A, waited for FC6 current to plateau.- at 5e-10A

Thursday, October 10, 2024, 15:27   mass scan run again

Thursday, October 10, 2024, 15:57   res current decreased to 0A

Thursday, October 10, 2024, 15:57  dropping voltages to 0V 

Thursday, October 10, 2024, 16:12  voltages at 0, decreasing TGHT TBHT at 1A/30s 

Note* target has a ring on the TGHT - Right leg. EE & PE placed. Target to HS OL - OK.

Wednesday, February 10, 2021, 09:37: Roughing.

Wednesday, February 10, 2021, 09:45: Bypass / Force applied on IG1 to test Anode.

Wednesday, February 10, 2021, 09:46: Anode @ 10 V. Ok.

Wednesday, February 10, 2021, 09:47: Anode @ 200 V. Ok. No current.

Wednesday, February 10, 2021, 09:48: Anode to 0V & off. Bypass / Force removed from IG1.

Wednesday, February 10, 2021, 10:06: TP1B on.

Wednesday, February 10, 2021, 10:46: TP1A on.

Wednesday, February 10, 2021, 13:42: Vacuum @ 9.08e-06T. open FS#5

Wednesday, February 10, 2021, 13:46: Vacuum increased to 9.70e-06T as well as the backing pressure increased. Turbo pumps off. Going to swap the assembly out completely however continue with the same LP-SIS oven.

Wednesday, February 10, 2021, 15:20: HS 44378-3 Installed w/ LP-SIS oven #44691-8. Roughing

Wednesday, February 10, 2021, 15:48: TP1B on. 

Wednesday, February 10, 2021, 16:02: TP1A on.

Wednesday, February 10, 2021, 16:11: Bypass / Force applied on IG1 to test Anode. Anode @ 200 V. Ok. No current.

Wednesday, February 10, 2021, 16:13: Anode to 0V & off. Bypass / Force removed from IG1. EZL & EE check ok. IG1 on for real.

Wednesday, February 10, 2021, 16:14: Vacuum @ 6.12e-05T & Dropping.

Wednesday, February 10, 2021, 16:16: FS#5 open. Both IG1 & the backing lines are pumping down quickly.

Contacted MCR. Reminder, mechanical services still intends to service the DI water pump. Constant DI water flow is not guaranteed.

https://elog.triumf.ca/TIS/Test-Stand/847

Thursday, February 11, 2021, 00:13: : Anode to 10V. Auto-ramping TGHT/TBHT to 200/100 A @ 2 A/min

 Thursday, February 11, 2021, 09:03: Auto-ramping TGHT/TBHT to 400/200 A @ 2 A/min

From: Jas Uppal <juppal@triumf.ca>Sent: February 11, 2021 9:12 AM
To: Fernando Maldonado Millan <maldonado@triumf.ca>
Subject: Re: Cu-LCW water lines status for the ISAC test stand

Hi Fernando,

  There are no plans for Cu-LCW system to be switched off today.  I believe they are still working on correcting the issue that caused the trip two days ago.  Once it is corrected and we are ready to switch to the secondary pump, the switch over "should" be relatively invisible with possibly a slight drop in line pressure.

Jas Uppal 

 Thursday, February 11, 2021, 10:31: TGHT/TBHT at 400/200 A. Anode still at 10 V 

Thursday, February 11, 2021, 10:33: Auto-ramping TGHT/TBHT to 580/230 A @ 2 A/min

Thursday, February 11, 2021, 10:42: BIAS/EZL/EE @ 30/13/1.5 kV. 

Thursday, February 11, 2021, 13:42: Uncapable of holding HV. Maybe the new heatshield needs more time to outgas.

Thursday, February 11, 2021, 13:44: BIAS/EZL/EE @ 0.000 kV

Friday, February 12, 2021, 10:07: In order to trouble shoot the ISAC TS, I  let the sparks to continue. Initially, they occurred in the extraction electrode spark gap and were both visible and audible. However, they stop and the instabilitiy was present.

I rise the voltage again and let the spark happen for a longer period of time.

I saw how the collimator wire on the far back of the source tray was moving as if a hurricane was inside, which is very strange. I followed up the wire and I saw how it was sparking to something (see attached photo)

I say something because from the angle is difficult to say if it was going to the chamber itself or to the HS waterlines. Both scenarios are concerning

First of all the collimator is never biased and it if any case the jacket  (MHV cable) is on ground ground

In case the discharge happened from wire to the chamber, then the collimator wire was charging up, it is extremely important o note that the jacketed cable goes outside the box very close to one of the turbos.

In the other scenario where the discharge was happening from the wire to the HS waterlines, that is, HV to ground, the simply creating a clearance should be enough. In this case as well is relevant to know that this jackted cable leaves the farday cage.

I will create clearance from collimator wire to HS waterlines.

Friday, February 12, 2021, 10:33: BIAS/EZL/EE @ 0.000 kV

Friday, February 12, 2021, 10:35: Auto-cooling TGHT/TBHT to 0 A @ 4A/min.

Friday, February 12, 2021, 11:05: Discharge confirmed visually to go into the HS waterlines, (HV to ground) (see second photo attached)

Friday, February 12, 2021, 11:06: Inside the blue rack,  I could hear ticks that match the discharges, probably  the collimator PS is there. Will check later with things  off.

 Friday, February 12, 2021, 13:17: Turbos off.

 Friday, February 12, 2021, 14:36: Venting.

LP-SIS modified w/ 2 holes on the center block to accept a pair of Ta tubes that are run to the coil PS.

*Note modified HS plates at the ion source to accommodate the LP-SIS (Has a slightly bent ionizer tube from the drilling)

-Plan to shut down the ISAC TS on 12/23/2021 for the holidays.

Thermocouples are installed.

Ref:

https://elog.triumf.ca/TIS/Test-Stand/679

Pin configuration between top 9-pin connector on Source Tray and terminal in high voltage rack. Measured 2018-08-21 by Aaron and Anders

Tuesday, December 21, 2021, 13:55: Roughing.

Tuesday, December 21, 2021, 13:57: BV1A open.

Thursday, December 23, 2021, 07:42: TP2 & TP6 off.

Thursday, December 23, 2021, 09:00: PV1 & PV2 off. RP1 & RP2 off.

Clean up?? What happened here? (Water mess?)

Tuesday, January 04, 2022, 11:13: RP1 & RP2 on.

Tuesday, January 04, 2022, 11:14: Roughing.

Tuesday, January 04, 2022, 11:17: TP2 & TP6 on.

Tuesday, January 04, 2022, 11:21: IG6 on.

Tuesday, January 04, 2022, 13:00: TP1B on.

Carla:

Swapped top and bottom connector on target side multipin to match up with wires. Added kapton tape where things were touching. TC#3 (ROI) maybe won't work, was very twisted. Not sure if I got all the twists.

Monday, January 10, 2022, 09:53: Roughing.

Monday, January 10, 2022, 15:55: TP1B on

Monday, January 10, 2022, 16:04: TP1A on.

Monday, January 10, 2022, 16:14: TP2 Tripped. Back on within 30 seconds.

Monday, January 10, 2022, 16:14: IG1 on.

Wednesday, January 12, 2022, 09:56 : Cage has been closed up and HS water lines are open.