Wednesday, May 01, 2024, 12:44:  pumped down to rough vacuum, TP1B now on.

Wednesday, May 01, 2024, 12:49:  TP1A on.

Thursday, May 02, 2024, 9:10:  water cooling on. no effect on vacuum

Thursday, May 02, 2024, 10:02:  TGHT and TBHT heating to 100A/100A at 1A/30s

Thursday, May 02, 2024, 11:02:  TGHT and TBHT heating to 230A/230A at 1.4A/10s

 Thursday, May 02, 2024, 13:53:  increasing BIAS to 30kV, EE to 2500V, EZL to 13kV

 Thursday, May 02, 2024, 14:11:  increasing  TGHT  to 280A.

 Thursday, May 02, 2024, 14:18  seeing a few sparks decreasing BIAS temporarily

Thursday, May 02, 2024, 14:25 sparks continued. decreased TGHT to 260A and saw them subside. increasing bias again.

 Thursday, May 02, 2024, 14:42 conducting mass scan - 2024-05-02-15-05 mm LPSIS a.txt

 Thursday, May 02, 2024, 15:09   increased COIL to 20A. mass scan repeated.  2024-05-02-15-37 mm LPSIS b.txt

Thursday, May 02, 2024, 15:38 decreasing TGHT to 230A, COIL at 0A

Thursday, May 02, 2024, 15:43:   repeating mass scan. 2024-05-02-16-09 mm LPSIS c.txt   * no signal. very unexpected.

Thursday, May 02, 2024, 16:10:  increased COIL to 20A, repeating mass scan.  2024-05-02-16-35 mm LPSIS d.txt

Thursday, May 02, 2024, 16:35   decreasing BIAS, EE, EZL to 0V

Thursday, May 02, 2024, 16:50 increasing TGHT to 290A at 1A/30s, to be left hot overnight.

 Friday, May 03, 2024, 10:26 increasing BIAS to 30kV, EE to 2500V, EZL to 13kV

 Friday, May 03, 2024, 11:47 increasing COIL to  40A. repeating mass scan     -   2024-05-03-12-21 mm LPSIS g.txt

 Friday, May 03, 2024, 12:22  decreasing TGHT to 260A.    

 Friday, May 03, 2024, 12:32 mass scan:   - 2024-05-03-12-59 mm LPSIS g.txt     <- accidentally labeled g. cannot change

Friday, May 03, 2024, 13:01   decreased COIL to 20A.   mass scan:  2024-05-03-13-30 mm LPSIS i.txt

Friday, May 03, 2024, 13:31  decreased COIL to 0A. mass scan:   2024-05-03-13-59 mm LPSIS j.txt

 Friday, May 03, 2024, 14:01  reducing TGHT to 230A.  mass scan:  2024-05-03-14-37 mm LPSIS k.txt

Friday, May 03, 2024, 14:38   increasing coil to 20A.    mass scan:   2024-05-03-15-14 mm LPSIS l.txt

Friday, May 03, 2024, 15:15   increasing coil to 40A. mass scan:     2024-05-03-15-42 mm LPSIS m.txt

Friday, May 03, 2024, 15:43  COIL -> 0A. decreasing EE EZL BIAS to 0V.

Friday, May 03, 2024, 15:59   decreasing TGHT and TBHT to 0A at 1A/30s

Wednesday, July 22, 2024, 11:41  - target installed

Wednesday, July 22, 2024, 13:31 - pumping down

Wednesday, July 22, 2024, 14:21 - turbo pumps on

Wednesday, July 22, 2024, 16:35 - water cooling on - no pressure increase

Tuesday, July 23, 2024, 09:42  - TGHT/TBHT ramping up to 580/230A at 1A/15s. 

 Tuesday, July 23, 2024, 09:55  increasing ramp rate to 1.4A/10s

 Tuesday, July 23, 2024, 11:17  increasing BIAS / EE / EZL to 30 / -1.5 / 13 kV.

Tuesday, July 23, 2024, 11:44    sparks more frequent than expected.   FC0 current at 1.17e-8A

Tuesday, July 23, 2024, 11:48    decreasing bias to 29.5k until spark frequency reduces

Tuesday, July 23, 2024, 13:23   once back up to 30kV, mass scan was run

Tuesday, July 23, 2024, 13:23 bias ee ezl were dropped to zero. reservoir heater was switched to 5A. the vacuum jumped up and shut down TGHT TBHT. heater turned off. TGHT TBHT restarted and reheated.

Tuesday, July 23, 2024, 13:24 reservoir heater turned to 2A while monitoring the vacuum. then to 3A as it appeared to be stable. at 4A the vacuum began slowly increasing.

Tuesday, July 23, 2024, 13:30   4A vacuum plateaus and recovering

Tuesday, July 23, 2024, 14:30 once reservoir heater is at 5A with a stable vacuum, increasing BIAS / EE / EZL to 30 / -1.5 / 13 kV

Tuesday, July 23, 2024, 14:50 running mass scan

Tuesday, July 23, 2024,  15:20 dropping BIAS / EE /  EZL to zero

Tuesday, July 23, 2024, 15:40   turning off reservoir heater

Tuesday, July 23, 2024, 15:51  increasing BIAS EE EZL to 30 -1.5 13 kV.

Tuesday, July 23, 2024, 16:05  running mass scan

Tuesday, July 23, 2024, 17:00   cooling target. TGHT TBHT to 0 at -1A/30s

Wednesday, July 24, 2024, 09:24 purged water lines and turned off TP1A and TP1B, TP6 and TP2 --- waiting for TP to slow down.  (will be venting beam line to change window)

Monday, December 16, 2024, 3:34   Target loaded in test stand. Confirmed correct connection to mass marker power supply through multipin. Bottom left pin (5 PS - ) connected to grounded side of the filament, top right pin (2, PS +) connected to top end of filament.

Tuesday, December 17, 2024, 09:30 Turbo pumps on

Tuesday, December 17, 2024, 16:21  water cooling on. No effect on vacuum. Vacuum stable at 1.18e-6T

Tuesday, December 17, 2024, 16:41   ramping TGHT TBHT at 1A/30s

Wednesday, December 18, 2024, 10:00  slowly increasing BIAS/EE/EZL to 30/2.5/13 kV

Wednesday, December 18, 2024, 11:40   BIAS EE EZL at 30 2.5 13 kV. 1 spark at 28kV, and there was a downward spike in the TGHT current when bias was at 28.5 kV  

Wednesday, December 18, 2024, 11:41   FC0 reading 1.6E-10 A. quite low for total beam, but this is likely due to this target being hot so many times.

Wednesday, December 18, 2024, 11:51 wire scans taken (RPM0)

Wednesday, December 18, 2024, 11:54 FC) extracted for mass scan - mass scan beginning now . Background record appears to be functioning well, although it is high. comparatively to old tests. It could be that those old tests were recording irregularly low background, given the temporary solution that was implemented.

Wednesday, December 18, 2024, 12:13   it seems that a spark took down many optics elements. Going to allow conditioning at 30kV for a while before restarting .     - optics elements down due to pressure sensor TMS:IG6 timing out. Vacuum group notified. Will likely bypass the interlock temporarily if it cannot be fixed fast. This should get a more permanent solution as it has failed a number of times before.

 Wednesday, December 18, 2024, 13:06    sparks are occurring on average approximately once every 10 minutes. they don't seem to be tripping of any supplies or optics (after IG6). but this spark frequency is significantly higher than observed on other targets lately.

Wednesday, December 18, 2024, 13:24   restarting Mass scan with IG6 interlock forced by.   scan name - 2024-12-18_13-47 SISP2N mmOFF.txt

Wednesday, December 18, 2024, 13:51   put FC0 back in, preparing to heat up mass marker.  will plan to ramp to 3A to match previous MM tests.     also, no sparks in the past 40 minutes, it appears they have subsided.    additionally, IG6 has been fixed by vacuum group

 Wednesday, December 18, 2024, 14:15   mass marker power supply is not connecting. When attempting to write to its IP address it times out. Had to drop the HV in order to investigate. Have enlisted controls group to aid as it appears to be connected and should be functional.  

Wednesday, December 18, 2024, 14:30   had to reset the computer connection to the network 192.168.5. by unplugging and plugging in the usb ethernet connection at computer. situation resolved.

Wednesday, December 18, 2024, 14:40   HV back up and now increasing the mass marker current from 0A to 3A, at 0A, FC0 current is 1.4e-10, very close to previously recorded FC0 mm0A value.

Wednesday, December 18, 2024, 14:56 with mm current at 3.0A, requiring 6V, FC0 current is 2.1e-10 A.   

Wednesday, December 18, 2024, 14:58  withdrawing FC0 to take mass scan

Wednesday, December 18, 2024, 15:25   mass scan complete:  filename 2024-12-18 15-23 SISP2N mmON.txt

Wednesday, December 18, 2024, 15:27   further increasing mm current to 4.0A.  FC0 current increasing noticeably. waiting for plateau. FC0 at 6.6e-10A.   wire scans taken

Wednesday, December 18, 2024, 15:39  new mass scan:  2024-12-18 15-53 SISP2N mmON 4A.txt

Wednesday, December 18, 2024, 15:52  mm power supply turned off. 0A.

Wednesday, December 18, 2024, 15:53  rescan of high mass region. still a residual indium mass peak present. will scan again after cooling more.

Wednesday, December 18, 2024, 16:10   mass scan captured that shows the indium peak almost masked in background 

Given that the indium peak for 3A was significantly lower than with a regular SIS source cup, i recommend that this target is heated up with the regular source cup again to compare.

 Wednesday, December 18, 2024, 16:11 dropping HV EE EZL to 0V

Wednesday, December 18, 2024, 16:13 cooling target to 0/0A at 1A/30s

Tuesday, September 10, 2024, 16:21:   Target installed in test stand by Brady

Tuesday, September 10, 2024, 16:21: roughed down and turbo pumps now on.

Tuesday, September 10, 2024, 20:27   Pressure at 4.9e-6, increasing TGHT TBHT to 580A/230A at 1A/30s

Wednesday, September 11, 2024, 10:00 The TGHT TBHT parameters were mistakenly reversed during heating. TBHT was dropped to 230A and TGHT increased to 580A at 1A/30s.

Wednesday, September 11, 2024, 13:50 TGHT TBHT at 580 230.  Increasing BIAS/EE/EZL to 30/2.5/13 kV.

Wednesday, September 11, 2024, 14:36 At high voltage, on FC0 there is an output beam current of 1.85e-7 A.

Wednesday, September 11, 2024, 14:49 Mass scan recorded.   2024-09-11 HPTiC-24D - scan 1.txt ... FC6 problem with recording background level data persists

Wednesday, September 11, 2024, 15:53  increasing BIAS and EZL to condition high voltage 

Wednesday, September 11, 2024, 16:32 at 37kV (EZL 22kV), TGHT timed out and cut the current to the target. I elected to leave it cold rather than suddenly reheating it, and am cooling down TBHT at -1A/30s, while continuing to increase BIAS for conditioning.

there have been no sparks at all and I'm unsure of what precipitated this event. None of the 'trip indicators' on the TGHT panel lit up during this event. I will bring this up with Keiko/Roberto tomorrow Sept 12.

Wednesday, September 11, 2024, 17:06  one spark occurred at 49kV

 Wednesday, September 11, 2024, 17:15  now at 50kV, EZL at 33kV.  Over 30 minutes there was just one spark at the HV bias.

Wednesday, September 11, 2024, 17:50  decreasing high voltage elements to 0 0 0. 

Gas line is attached. 

Wednesday, November 13, 2024, 14:18: Roughing.

Wednesday, November 13, 2024, 18:20: Closed backing valves. Vacuum @ 2.140 T? 

Thursday, November 14, 2024, 06:23: Venting manually.  

Thursday, November 14, 2024, 06:50: Left line slightly un-seated. Swapped out waterline gaskets. Close. Roughing.

Thursday, November 14, 2024, 07:22: TP1B on. 

Thursday, November 14, 2024, 07:33: Backing pressure below 0.100T. TP1A on. 

Thursday, November 14, 2024, 07:43: TP1A Tripped. Backing pressure @ 0.067T.

Thursday, November 14, 2024, 07:47: TP1B off to bring backing pressure below 0.050T. 

Thursday, November 14, 2024, 07:56: Re-opened & Restarted TP1B

Thursday, November 14, 2024, 08:38: Re-closed. Will have to allow TP to spin down before opening the vent valve to give the interlock a reset. (We should remove that or have a bypass in the future)

Thursday, November 14, 2024, 08:46: Coordinated opening BV1A & BV1B simultaneously from 2 computers to bypass the interlock. Success. TP1B. On & green. TP1A started.  

Thursday, November 14, 2024, 08:52: TP1A at speed (Green) Teamwork makes the dream work!!! IG1 on.

Thursday, November 14, 2024, 13:41: Vacuum @ 1.10e-06T. Waterline FS#5 open. Vacuum ok.

Thursday, November 14, 2024, 13:43: Power / Sources on. 

Thursday, November 14, 2024, 13:46: Checks. TGHT / TBHT to 5/5A. BIAS / EE / EZL to 1 / -0.5 / 1 kV. OK. Tap back down. Allow vacuum to drop further. Ready for operation. 

Thursday, November 14, 2024, 13:48: Open IV4. Timed out. Tighten sensor. Reset. Open IV4. 

Friday, November 15, 2024, 05:25: Vacuum @ 4.23e-07T. Auto-ramping TGHT / TBHT to 350 / 150 A @ 2 A per min. 

Friday, November 15, 2024, 09:01: Vacuum @ 6.01e-07T. Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min. 

Friday, November 15, 2024, 11:46: Optics on. 

Friday, November 15, 2024, 11:54: TGHT tripped completely off & was unable to restart while turning up the HV. Was at 580 A. BIAS / EE / EZL was tapped up to near 27.5 / -1.5 / 13 kV.

Friday, November 15, 2024, 12:05: Verified nothing appears to have burnt up or similar. Unable to begin auto-cooling on TBHT as it requires both heater PS to operate. Will tap down TBHT manually. TGHT is set @ 0A.

Friday, November 15, 2024, 12:11: TBHT tapped down to 0A. 

Friday, November 15, 2024, 12:14: Once at 0 A, the TGHT PS status turned from red to black??? Was able to reset & turn it back on. Brought it up to 5 A. That's different. 

Friday, November 15, 2024, 12:23: Sources PS off. Will re-ramp on Monday.

Monday, November 18, 2024, 07:24: Vacuum @ 2.43e-07T. Auto-ramping TGHT / TBHT to 350 / 150 A @ 4 A per min. 

Monday, November 18, 2024, 09:17: Vacuum @ 2.69e-07T. Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min. 

Monday, November 18, 2024, 13:02: Sources / Optics On.

Monday, November 18, 2024, 13:08: BIAS / EE / EZL to 20 / -1.5 / 13 kV.

Monday, November 18, 2024, 13:10: BIAS / EE / EZL to 27 / -1.5 / 13 kV. 

Monday, November 18, 2024, 13:20: TGHT Shut off again during a mass scan!

Monday, November 18, 2024, 13:22: Restarted TGHT. This is problematic. TGHT @ 580A. 

Monday, November 18, 2024, 13:25: Redo mass scan. 

Monday, November 18, 2024, 13:59: Mass / wire scans complete. HV to 0 kV. 

Monday, November 18, 2024, 14:00: Auto-cooling @ 2 A per min.

Tuesday, November 19, 2024, 10:04: IV4 closed

Tuesday, November 19, 2024, 10:06: Sources off.

Tuesday, November 19, 2024, 10:07: IG1 & TP off. 

Tuesday, November 19, 2024, 11:16: Power off / lockout. FS#5 purged. Venting. 

Straight/closed TGHT tube oven installed. SIS Assembly.

Thursday, January 18, 2024, 10:32: Roughing.

Thursday, January 18, 2024, 10:57: TP1B on.

Thursday, January 18, 2024, 11:08: TP1A on.

Thursday, January 18, 2024, 11:17: IG1 on.

Thursday, January 18, 2024, 11:27: IV4 cycled ok.

Thursday, January 18, 2024, 12:07: IV4 open. PS / Sources on. Waterlines already open.

Thursday, January 18, 2024, 14:57: TPS:Q1 un-plugged, cycled, & reset. OK. Optics set to previous tune.

Friday, January 19, 2024, 06:45: TGHT on. Auto-ramping TGHT to 580 A @ 2 A per min. 

Friday, January 19, 2024, 13:30: BIAS on at 30kV , preparing for mass scan  - dn

Friday, January 19, 2024,  13:45: noting that mass scan 'field' parameter is not displayed in scanner. nor does the hall probe seem to be registering any changes on the magnet -dn

Friday, January 19, 2024,  15:00: after troubleshooting for quite a while, we fixed the problem by resetting/reconfiguring the canbus controllers. IOC reset did not help the problem and nor did power cycling the box 2A-5, which is believed to be routed to the hall probe.

noted that resetting the IOC did trip the BIAS and drop it to 0V.

Friday, January 19, 2024,  15:15: BIAS back to 30kV, resume mass scan.

Friday, January 19, 2024, 16:00, mass scan completed, data extracted.

Friday, January 19, 2024, 16:36: BIAS brought down to 0V over 15 min. auto cooling initiated at -1A / 30s

Monday, January 22, 2024, 10:36: EZL / EE to 0 V. Sources off.

Monday, January 22, 2024, 10:39: IV4 & FC0 closed.

Monday, January 22, 2024, 10:41: Power off. IV4 reset.

Monday, January 22, 2024, 10:42: IG1 off. Turbo pumps off.

Monday, January 22, 2024, 12:29: Venting via the turbo pumps.

Conditioning HS for UCx. LP-SIS oven / end caps installed

Monday, January 22, 2024, 13:53: Roughing.

Monday, January 22, 2024, 14:21: TP1B On.

Monday, January 22, 2024, 14:34: TP1A on.

Monday, January 22, 2024, 14:41: IG1 on. Vacuum @ 3.95e-05T & dropping.

Monday, January 22, 2024, 14:46: FS#5 open. Vacuum stable. 2.41e-05T & dropping. Power on.

Tuesday, January 23, 2024, 07:40: IV4 open.

Tuesday, January 23, 2024, 07:42: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per minute. 

Tuesday, January 23, 2024, 13:43 increasing BIAS to 30kV - dn 

Tuesday, January 23, 2024, 14:03 BIAS at 30kV

Tuesday, January 23, 2024, 14:06 beginning mass scan

Tuesday, January 23, 2024, 16:06: Data exported and saved

 Tuesday, January 23, 2024, 16:15: Decreasing BIAS to 0V

Tuesday, January 23, 2024, 16:27: BIAS at 0V

Tuesday, January 23, 2024, 16:41:   Vacuum in main chamber consistently at ~1.4e-6 T throughout. 

Wednesday, January 24, 2024, 07:39: Auto-cooling @ 2 A per min. 

Wednesday, January 24, 2024, 08:59: Auto-cooling Halted. Auto-ramp back up to 580 / 230 A @ 2 A per min. 

Wednesday, January 24, 2024, 15:30:  Target already hot  - TBHT 230A, TGHT 580A

Wednesday, January 24, 2024, 15:31: increasing BIAS to 30kV  

Wednesday, January 24, 2024, 15:41: beginning mass scan - Completed and repeated for confirmation

Wednesday, January 24, 2024, 16:55: decreasing BIAS to 0kV

Wednesday, January 24, 2024, 17:10: BIAS at 0kV

 Thursday, January 25, 2024, 10:13: increasing bias to 30kV

Thursday, January 25, 2024, 10:30: BIAS at 30kV

Thursday, January 25, 2024, 10:40 : beginning mass scan 

Thursday, January 25, 2024, 13:41 Tuned various parameters, multiple mass scans 

Thursday, January 25, 2024, 16:19:  decreasing BIAS to 0V

Thursday, January 25, 2024, 16:42  BIAS at 0V

Thursday, January 25, 2024, 16:42 Target cooling.

 Monday, January 29, 2024, 12:37 10µL Rb salt added to target. Assembly placed back into test stand. Pumping down.

 Tuesday, January 30, 2024, 09:25: Vacuum stable. 8e-7 T.  Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per minute.

Tuesday, January 30, 2024, 15:13:   increasing BIAS to 30kV 

Tuesday, January 30, 2024, 15:39  bias at 30kV, beginning mass scan 

Tuesday, January 30, 2024, 16:48 Scans complete, lowering bias.

 Wednesday, January 31, 2024, 16:02 increasing bias to 30kV

Wednesday, January 31, 2024, 16:40 scanned

Wednesday, January 31, 2024, 16:40 decreasing bias 

Wednesday, January 31, 2024, 16:48 bias at 0V. cooling target 

Thursday, February 01, 2024, 09:21:   venting 

Thursday, February 01, 2024, 11:14 :  removed target assembly. added 5 salts: Na, Li,K,Rb,Cs.   Placed target assembly back in test stand. pumping down.

Thursday, February 01, 2024, 16:51 Vacuum at 2e-6

Thursday, February 01, 2024, 16:52 heating target. TGHT and TBHT to 580 230 A overnight. .6A / min and .2A / min

Friday, February 02, 2024, 10:17 Target hot. Vacuum stable at 1e-6. increasing bias to 30kV 

Friday, February 02, 2024, 10:42 scanning 

Friday, February 02, 2024, 16:06 reducing bias 

Friday, February 02, 2024, 16:18 bias at 0V. cooling target to 0 A at 2A per minute 

PS & breaker off earlier via DN. 

Monday, February 05, 2024, 13:58: TS was vented. HS removed - AS. 

Friday, February 16, 2024, 10:30: Roughing

Friday, February 16, 2024, 17:38: TP1B on. 

Friday, February 16, 2024, 17:47: TP1A on. 

Friday, February 16, 2024, 17:55: IG1 on. New Coil PS was installed.

Tuesday, February 20, 2024, 07:51: Waterline FS#5 open.

Tuesday, February 20, 2024, 07:58: Cage closed. PS on.

Tuesday, February 20, 2024, 08:01: Check. TGHT / TBHT manually to 5 / 5 A. Coil & Anode not responding.

Tuesday, February 20, 2024, 09:40: Pressure gauge reconnected within cage. Gas lines purged, refilled with argon. SV5 closed.

Tuesday, February 20, 2024, 09:48: System check 2: TGHT / TBHT manually to 5 / 5 A. BIAS / EE / EZL to 1 / -0.5 / 1 kV. Anode to 50 V.

Coil set to 15 A, did not adjust.

Tuesday, February 20, 2024, 12:04: Coil PS SW1-7 switch in was in an "Off" position & wouldn't allow the voltage signal through to the PS. Switched to "on". Coil tapped to 7 A manually & back to 0 A ok.

Tuesday, February 20, 2024, 12:24: SV4 open. SV5 is closed. Cage is closed.

Tuesday, February 20, 2024, 12:26: All power & sources on.

Tuesday, February 20, 2024, 12:29: Optics on & set w/ updated tune.

Tuesday, February 20, 2024, 12:56: PS off to switch to Cathode BIAS mode.

Tuesday, February 20, 2024, 14:20: TS to wired to Cathode BIAS mode as per ISK4563D. Cage closed up. PS on.

Tuesday, February 20, 2024, 14:52: Anode/Cathode short. PS off & remove the cage again.

Tuesday, February 20, 2024, 15:20: IG1 off. Chamber TP off.

Wednesday, February 21, 2024, 07:30: Venting.

Wednesday, February 21, 2024, 08:32: Short found on waterlines (E) to (D)

Wednesday, February 21, 2024, 08:34: IG1 Bypass in effect.

Wednesday, February 21, 2024, 08:37: BIAS / EE / EZL to 1 / -0.5 / 0.5 kV. Note* If voltage is put on the EE before the BIAS, a small amount of voltage also goes to the BIAS. To keep an eye on. Back to 0 V.

Wednesday, February 21, 2024, 08:40: Coil to 5 A, Anode to 50 V. OK. Back to 0 A / V

Wednesday, February 21, 2024, 08:41: TGHT / TBHT both to 5 / 5 A ok. Back to 0 A. All checks ok.

Wednesday, February 21, 2024, 08:42: IG1 Bypass removed.

Wednesday, February 21, 2024, 09:14: TP1B on.

Wednesday, February 21, 2024, 09:22: TP1A on.

Wednesday, February 21, 2024, 09:31: IG1 on.

Wednesday, February 21, 2024, 14:00: HV & Coil checks. OK. IV4 open.

Thursday, February 22, 2024, 08:17: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, February 22, 2024, 08:23: BIAS / EE / EZL @ 40 / -2.0 / 17 kV.

Thursday, February 22, 2024, 08:26:  BIAS / EE / EZL @ 45 / -2.0 / 19 kV. 2 large sparks on the tap up.

Thursday, February 22, 2024, 08:42: BIAS / EE / EZL @ 47.5 / -2.0 / 22 kV. Small sparks on the tap up

Thursday, February 22, 2024, 09:00: BIAS / EE / EZL @ 50 / -2.0 / 25 kV. Sparks on the tap up.

Thursday, February 22, 2024, 09:10: One spark. Reset steering & optics.

Thursday, February 22, 2024, 09:17: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, February 22, 2024, 09:39: Coil @ 80 A. Tapped up manually at 4 A per min approx. Vacuum @ 5.13e-07.

Thursday, February 22, 2024, 12:06: Coil @ 0 A

Thursday, February 22, 2024, 12:10: Anode @ 100 V.

Thursday, February 22, 2024, 12:12: Anode @ 200 V.

Thursday, February 22, 2024, 12:16: Anode @ 500 V.

Thursday, February 22, 2024, 12:26: Anode @ 0 V.

Thursday, February 22, 2024, 12:38: BIAS / EE / EL @ 0 kV.

Thursday, February 22, 2024, 12:58: Auto-ramping TGHT / TBHT to 350 / 200 A @ 2 A per min. 

Thursday, February 22, 2024, 16:25: Vacuum @ 1.16e-06T. Auto-ramping TGHT / TBHT to 580 / 290 A @ 2 A per min. 

Thursday, February 22, 2024, 18:35: TGHT / TBHT @ 580 / 290 A. 

Thursday, February 22, 2024, 18:45: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. FC0 @ 100nA = 7.71e-09 

Thursday, February 22, 2024, 18:48: Anode @ 100 V. Coil to 10 A. FC0 @ 100nA = 6.82e-09 

Thursday, February 22, 2024, 19:00: FC0 is stuck!!!. However it is not releasing HPA? Confirmed by the MCR over MS teams video chat. IV4 Closed. (Angry tech noises)

Thursday, February 22, 2024, 19:02: BIAS/ EE / EZL @ 0 KV. Anode & Coil to 0. 

Thursday, February 22, 2024, 19:07: Auto-cooling @ 2 A per minute. 

Thursday, February 22, 2024, 19:08: Closed SV4 & SV5. 

Friday, March 08, 2024, 06:59: Issues with FC0 & RP2 resolved. Soft start on TP6 initiated.

Friday, March 08, 2024, 07:06: Gas lines filled with Argon.

Friday, March 08, 2024, 07:08: Auto-ramping TGHT / TBHT @ 2 A per min to 350 / 200 A

Friday, March 08, 2024, 07:32: TBHT @ 41 A. TGHT @ 0 A?

Friday, March 08, 2024, 07:35: TGHT PS was physically off (Why???). Turned on. Manually tapped up to 25 A. Ok. Auto-ramping TGHT / TBHT @ 2 A per min to 350 / 200 A.

Friday, March 08, 2024, 08:05: TP6 tripped. Half way spun up. Soft start restarted.

Friday, March 08, 2024, 08:47: TP6 at speed. TP2 on.

Friday, March 08, 2024, 08:52: IG6 on.

Friday, March 08, 2024, 09:05: Optics on. Quick checks on BIAS / EE / EZL, Cathode (Anode), & Coil OK. 

Friday, March 08, 2024, 09:33: IV4 open. 

Friday, March 08, 2024, 10:18: Vacuum @ 2.43e-07T. Halted auto-ramping. Increase. Auto-ramping TGHT / TBHT @ 2 A per min to 580 / 290 A.

Friday, March 08, 2024, 13:35: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. 

Friday, March 08, 2024, 15:59: Mass & wire scans complete. Appear the anode PS is likely positive. Auto-cooling @ 2 A per min.  

Friday, March 08, 2024, 16:04: HV off. Gases closed. 

Monday, March 11, 2024, 23:09: Auto-ramping TGHT / TBHT to 580 / 290 A @ 1 A per min. 

Tuesday, March 12, 2024, 09:45: Gas on.

Tuesday, March 12, 2024, 09:51: BIAS / EE / EZL @ 30 / -1.5 / 13

Tuesday, March 12, 2024, 10:36: Anode @ 100 V. Coil @ 20 A.

Tuesday, March 12, 2024, 11:19: Mass & Wire scans complete.

Tuesday, March 12, 2024, 13:51: EE at -2.5. mass scan

 Tuesday, March 12, 2024, 13:55: EE at -1.5. Coil at 0A. mass scan

Tuesday, March 12, 2024, 14:11: Coil at 20A, TSH:ANODE at  0V. mass scan 

Tuesday, March 12, 2024, 14:30: coil and anode on. gas turned off. 

Tuesday, March 12, 2024, 16:59: decreasing bias 

Tuesday, March 12, 2024, 17:07 decreasing TBHT TGHT to 0, 1A/s 

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.

Calibrated window installed on the beam line.

Tuesday, May 16, 2023, 13:45: Roughing both the chamber & beam line.

Tuesday, May 16, 2023, 14:00: TMS:TP6 on.

Tuesday, May 16, 2023, 14:04: TMS:TP2 on.

Tuesday, May 16, 2023, 14:13: IG6 on.

Tuesday, May 16, 2023, 14:17: TSG:TP1B on.

Tuesday, May 16, 2023, 14:23: TSG:TP1A on.

Tuesday, May 16, 2023, 14:33: IG1 on.

Tuesday, May 23, 2023, 07:30: Waterline FS#5 open. Vacuum stable @ 2.78e-07T

Tuesday, May 23, 2023, 07:32: Power / Sources on.

Tuesday, May 23, 2023, 07:35: Auto-ramping TGHT / TBHT to 230 A / 230 A @ 2 A per min. IV4 open.

Tuesday, May 23, 2023, 07:38: Optics are set.

Tuesday, May 23, 2023, 11:38: Auto-ramping TGHT to 300 A @ 2 A per minute.  

Tuesday, May 23, 2023, 12:32: Auto-ramping TGHT to 350 A @ 2 A per minute. 

Tuesday, May 23, 2023, 13:13: Auto-ramping TGHT to 400 A @ 2 A per minute. 

Tuesday, May 23, 2023, 14:00: Auto-ramping TGHT to 450 A @ 2 A per minute.

Tuesday, May 23, 2023, 14:50: Auto-ramping TGHT to 500 A @ 2 A per minute.

Tuesday, May 23, 2023, 16:07: Auto-ramping TGHT to 550 A @ 2 A per minute.

Tuesday, May 23, 2023, 16:51: Auto-ramping TGHT to 580 A @ 2 A per minute.

Tuesday, May 23, 2023, 17:35: TGHT at 580A with TBHT at 230A.

Tuesday, May 23, 2023, 21:37: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. Begin wire & mass scans.

Tuesday, May 23, 2023, 22:03: Mass & wire scans complete. 

Tuesday, May 23, 2023, 22:09: BIAS / EE / EZL @ 0 kV.  

Wednesday, May 24, 2023, 13:48: Auto-ramping TGHT to 550 A and TBHT to 200A @ 2 A per minute.

Currently at TGHT to 500 A and  TBHT to 150A. 15:44 pm

Wednesday, May 24, 2023, 15:44: Auto-ramping TGHT to 450 A and TBHT to 100A @ 2 A per minute.

Wednesday, May 24, 2023, 17:22: Auto-ramping TGHT to 400 A and TBHT to 50A @ 2 A per minute.

Thursday, May 25, 2023, 07:49: TGHT / TBHT @ 0A (Reached before midnight - But not logged). IV4 closed. 

Thursday, May 25, 2023, 09:04: Power / Sources off.

Thursday, May 25, 2023, 09:06: IG1 off. TP1B & TP1A off.

Wednesday, June19, 2024, Spare TiC HP-SIS target installed. TiC#24C

Wednesday, June19, 2024, 15:00: Roughing

Wednesday, June19, 2024, 17:25:  TP1B started.

Wednesday, June 19, 2024, 15:30:  TP1B Green. OK.

Wednesday, June 19, 2024, 15:30 : TP1A on.

Wednesday, June 19, 2024, 15:40: Time out on TP1A

Wednesday, June 19, 2024, 15:43: Turn on BV1A & TP1A

Wednesday, June 19, 2024, 15:43 : TP1A Green. OK.

Wednesday, June 19, 2024, 15:44: IG1 turned on @ 3.92e-05 T

_________   dave neilson

 Thursday, June 20, 2024, 10:23: Water cooling valves opened. no effect on vacuum.    

Thursday, June 20, 2024, 11:19: Power on. Increasing TGHT TBHT to 440A 290A at 1A/30s

Thursday, June 20, 2024, 15:59  increasing BIAS / EE / EZL to 30 / -1.5 / 13 kV.

Thursday, June 20, 2024, 16:21   slowly increasing BIAS to test for high voltage sparking  --- sparked at 33.6kV, sparked at 34kV. 34.6kV, 37.8kV sparking infrequent (period >5min)

Thursday, June 20, 2024, 17:18  decreasing high voltages  to 0

Thursday, June 20, 2024, 17:36  decreased TGHT to 300A overnight.

Friday, June 21, 2024, 09:16 Increasing TGHT to 580A (1A/30s) for testing

 Friday, June 21, 2024, 12:28  increasing BIAS / EE / EZL to 30 / -1.5 / 13 kV.

 Friday, June 21, 2024, 16:31  decreasing BIAS / EE / EZL to 0

Tuesday, June 25, 2024, 10:05 : TP1A TP1B off. preparing to vent chamber for target replacement.

Wednesday, July 10, 2024, 12:22: Venting - AS

Wednesday, July 10, 2024, 14:57: Roughing.

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

Thermocouples attached on end plate

Indium salt @ 10 µl

3 wraps of Ta HS on oven. Gas line on center block. Empty oven.

Wednesday, October 18, 2023, 15:13: Roughing

Wednesday, October 18, 2023, 15:35: Waterline FS#5 on.

Wednesday, October 18, 2023, 15:42: TP1B on.

Wednesday, October 18, 2023, 15:52: TP1A on.

Wednesday, October 18, 2023, 16:00: IG1 on.

Thursday, October 19, 2023, 07:34: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Thursday, October 19, 2023, 09:15: IV4 opened.

Thursday, October 19, 2023, 09:42: HV sources on.

Thursday, October 19, 2023, 09:43: BIAS / EE / EZL @ 1 / -0.5 / 1 kV.

Thursday, October 19, 2023, 09:45: Optics are set. Standard tune.

Thursday, October 19, 2023, 10:40: HV to 0 kV. Cage open.

Thursday, October 19, 2023, 12:16: Cage closed. HV sources on. Optics set.

Thursday, October 19, 2023, 13:41: 1st set of mass scans complete. Optics set to 'Fernando's Tune',

Friday, October 20, 2023, 06:29: Mass & wire scans continue. 

Friday, October 20, 2023, 10:33: BIAS / EE / EZL @ 43 / -2.2 / 18.5 kV.

Friday, October 20, 2023, 11:00: Spark* Optics needed full reset. 

Friday, October 20, 2023, 12:48: HV to 0 kV. HV test done 

Tuesday, October 24, 2023, 09:39: PS / sources off. IV4 closed - Tripped - Reset.

Tuesday, October 24, 2023, 09:41: IG1 off. TP off.

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. 

FM-SW calibrated leak installed.

Friday, April 26, 2024, 13:48: Roughing.

Friday, April 26, 2024, 14:20: TP1B started.

Friday, April 26, 2024, 14:26: TP1B Green. OK.

Friday, April 26, 2024, 14:30: TP1A on.

Monday, April 29, 2024, 08:44: Vacuum @ 4.58e-07T. Waterline FS#5 open. Vacuum ok.

Monday, April 29, 2024, 08:50: Power / sources on. Tap up check. TGHT / TBHT to 5 / 5 A. BIAS / EE / EZL to 1 / -0.5 / 1 kV. Anode to 100 V. Coil to 4 A. Ok. Tap back down.

Monday, April 29, 2024, 10:44: IV4 open.

-BB:

Monday, April 29, 2024, 11:07: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Monday, April 29, 2024, 11:12: BIAS / EE / EZL @ 40 / -1.8 -2.0 / 17 kV.

Monday, April 29, 2024, 11:19: BIAS / EE / EZL @ 43 / -2.0 / 19 kV.

Monday, April 29, 2024, 11:23: BIAS / EE / EZL @ 45 / -2.0 / 19 kV.

Monday, April 29, 2024, 11:27: BIAS / EE / EZL @ 47.5 / -2.2 / 22 kV.

Monday, April 29, 2024, 11:33: BIAS / EE / EZL @ 50 / -2.5 / 25 kV.

Monday, April 29, 2024, 12:05: 30 minutes @ 50 kV. 3 sparks at the very end. 2 inside and 1 outside.

Monday, April 29, 2024, 12:09: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. Vacuum @ 4.67e-07T. Start tapping up coil.

Monday, April 29, 2024, 12:32: Coil @ 80 A. Tapped up manually at 4 A per min approx. Vacuum @ 5.2e-07T

Monday, April 29, 2024, 14:00: Vacuum @ 7.20e-07T (30-60 min depending on whether the out gassing levels or begins to decrease)

Monday, April 29, 2024, 14:02: Coil @ 0 A.

Monday, April 29, 2024, 14:05: Anode @ 100 V.

Monday, April 29, 2024, 14:07: Anode @ 200 V.

Monday, April 29, 2024, 14:09: Anode @ 500 V.

Monday, April 29, 2024, 14:11: Anode @ 0 V.

Monday, April 29, 2024, 14:33: HV @ 0 V.

Monday, April 29, 2024, 14:34: Auto-ramping TGHT / TBHT to 350 / 150 @ 2A per minute.

Tuesday, April 30, 2024, 07:18: Auto-ramping TGHT / TBHT to 580 / 290 @ 2A per minute. 

Tuesday, April 30, 2024, 13:44: Gas lines purged & refilled with Ar.

Tuesday, April 30, 2024, 13:48: optics set.

Tuesday, April 30, 2024, 13:51: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Tuesday, April 30, 2024, 13:56: Anode @ 100 V. Coil @ 20 A

Tuesday, April 30, 2024, 13:59: Reset / Cfg MB1

Tuesday, April 30, 2024, 14:40: Initial mass & wire scans complete.

Tuesday, April 30, 2024, 15:07:  Argon gas lines purged. 

Tuesday, April 30, 2024, 15:07:  Mass scan repeated.

Tuesday, April 30, 2024, 15:42:   Gas on. Magnet set to 40.1 mass/charge. Anode & coil vs fc6 output optimization scan started. 0-90A coil and 0-400V anode.

Tuesday, April 30, 2024, 15:55:   Vacuum is noticeably rising. If it reaches 5e-6T, will terminate the scan.

Tuesday, April 30, 2024, 15:59:  rate of increase appears to be slowing and reaching a plateau.

Tuesday, April 30, 2024, 16:01:    optimization data at measure_id=6058.  image at bottom.

Tuesday, April 30, 2024, 16:03: COIL and anode set to 0. decreasing BIAS/EZL/EE to 0V

Tuesday, April 30, 2024, 16:12: decreasing TGHT TBHT at 1A/30s to 0

 Wednesday, May 01, 2024, 09:38:   TP1B and TP1A turned off, winding down

 Wednesday, May 01, 2024, 10:1: VV1 open, venting.  Water cooling off. purged lines

Tuesday, February 06, 2024, 11:45: Roughing.

Tuesday, February 06, 2024, 13:27: TP1B on.

Tuesday, February 06, 2024, 13:33: TP1A on.

Tuesday, February 06, 2024, 13:47: IG1 on.

Wednesday, February 07, 2024, 06:54: Vacuum @ 7.55e-07T.

Wednesday, February 07, 2024, 06:56: PS on. FS#5 open. Vacuum stable.

Wednesday, February 07, 2024, 06:58: Coil jumped from 0A with the breaker off to 200 A w/ 4.2 V.

Wednesday, February 07, 2024, 06:59: Coil PS switched on. Increase coil current to 75 A & back down again. No change. Will need to trouble shoot this once this target is complete.

Wednesday, February 07, 2024, 07:04: Auto-ramping TGHT / TBHT to 350 / 200 A @ 2 A per min. Good vac / bad vac settings set back to 5.00e-06T / 7.00e-06T. Note: The TS will trip at 1.00e-05T.

Wednesday, February 07, 2024, 07:09: FC0 still acting up. Optics on.

Wednesday, February 07, 2024, 10:28:  Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min. 

Wednesday, February 07, 2024, 12:10: IV4 open.

Wednesday, February 07, 2024, 12:14: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Wednesday, February 07, 2024, 12:15 : Opening & Closing FC0 for a measurment does not interfere with IV4.

Wednesday, February 07, 2024, 12:42: One audible spark. Knocked out TMS : Q2/Q5. Reset.

Wednesday, February 07, 2024, 13:34: Mass & Wire scans complete with 2 tunes. Ok.

Thursday, February 08, 2024, 09:02: Auto-cooling @ 2A per min.

Coil PS removed. (See elog 995)

Friday, February 16, 2024, 04:57: IV4 closed

Friday, February 16, 2024, 04:58: IG1 & TP off.

 Monday, October 30, 2023, 16:00  Roughing

Tuesday, October 31, 2023, 08:58 Turbos on the afternoon before, TP1A timed out which delayed for another 30min turning on both TP. Now 3e-6 Torr in IG1. - FBP

Tuesday, October 31, 2023, 09:38: FS#5 open. Vacuum Stable @ 2.96e-06T

Tuesday, October 31, 2023, 09:40: PS / sources on.

Tuesday, October 31, 2023, 10:32 Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Tuesday, October 31, 2023, 12:07 HV cage closed. TSG:BIAS and TSH:EE PS are on. Waiting for TGHT ramp up to finish.

Tuesday, October 31, 2023, 14:21: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Tuesday, October 31, 2023, 14:39 IG1 5e-6Torr , TGHT ramp up on hold.

Tuesday, October 31, 2023, 14:40 Starting HV tests.

Tuesday, October 31, 2023, 15:10 HV tests went up to 53kV until gauge on Faraday cage started sparking. TP6 seems to have tripped after a few sparks from that gauge. The TC wire seems to be placed to conservatively.

Wednesday, November 01, 2023, 08:06: TP6 Was tripped. IV4 closed. TP6 Restarted. - AS

Wednesday, November 01, 2023, 08:10: Tp6 on. IV4 open.

Wednesday, November 01, 2023, 09:32: HV to 0 kV.

Wednesday, November 01, 2023, 09:33:  Auto-cooling @ 2 A per min.

Monday, November 06, 2023, 09:07: IV4 closed. PS off. IG1 & turbos off.