 Thursday, April 17, 2025, 16:11, Dave Neilson, C#5, , , , , 45235 - 5, , LPSIS C#5 conditioning
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Thursday, April 17, 2025, 15:46 target installed. now roughing
Thursday, April 17, 2025, 17:12 Turbo pumps on. |
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Tuesday, March 11, 2025, 14:36, Brady Borrmann, , , , , 44691-8, 44378-2, In progress, Mass Marker Test Target
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Tuesday, March 11, 2025, 14:36 Roughing. Target installed.
Tuesday, March 11, 2025, 15:06 TP1B turned on.
Tuesday, March 11, 2025, 15:10 TP1A turned on. |
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Friday, February 28, 2025, 17:16, Dave Neilson, , LP-SIS, , , 45447-17, 42972-2, In progress, UCx heat shield conditioning
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Friday, February 28, 2025, 15:54 : installed target assembly in test stand
Friday, February 28, 2025, 15:54 roughing
Friday, February 28, 2025, 17:16 Turbo pumps on |
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Thursday, January 23, 2025, 17:12, Dave Neilson, , , , , , , , CATHODE ANODE current leak testing
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Recent tests have shown that CATHODE voltage breaks down at ~130V, continually leaking current and progressively dropping voltage, making febiad CATHODE
testing impossible.
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Tuesday, January 07, 2025, 17:06, Dave Neilson, , LP-FEBIAD, , , 44692-4, 42972-10, In progress, FEBIAD development
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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. |
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Friday, December 20, 2024, 09:37, Dave Neilson, , , , , , , , Winter holiday shutdown
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Friday, December 20, 2024, 09:37 turned off all 4 turbopumps. winding down prior to evacuating.
Friday, December 20, 2024, 11:43 Purged and closed all water cooling lines.
Friday, December 20, 2024, 15:54 removed target and installed Uline. |
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Tuesday, December 17, 2024, 16:09, Dave Neilson, , , , , , , Done, Anode,TGHT, TBHT power supply investigation. Resolved
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Note, ground and HVC (high voltage common) are used interchangeably here.
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Tuesday, December 17, 2024, 09:46, Dave Neilson, , , , , , 45235-26, In progress, SIS P2N source cup testing
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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.
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Tuesday, December 10, 2024, 14:38, Isaiah Rabuka, , , , , , , ,
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Tuesday, December 10, 2024, 14:38 Depressurized ATTS using argon, switched
out samples, and repressurized ATTS. Heated new sample to 1000 degrees Celsius.
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Friday, December 06, 2024, 16:03, Isaiah Rabuka, , , , , , , ,
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Friday, December 06, 2024, 16:03 Heated and cooled a sample in the ATTS
3x |
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Thursday, December 05, 2024, 15:38, Dave Neilson, , LP-FEBIAD, , , 44692-4, 42972-10, , FEBIAD development
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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 |
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Thursday, December 05, 2024, 14:06, Isaiah Rabuka, , , , , , , ,
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| Thursday, December 05, 2024, 14:05 Pressurized ATTS with argon, swapped out samples, and repressurized and heated chamber. |
Thursday, December 05, 2024, 11:08, Aaron Schmidt, , , , , , , Problems/Solutions, Swap RP1 & Inspection (ITS Pumps) 
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Thursday, December 05, 2024, 11:04: RP1 was struggling to pump down. RP SN: MY20055A02 removed. Tip seal replacement likely req'd.
Swapped with a new roughing pump SN: MY2340SA06 (Voltage set to 115V. Shipping locks loosened prior to install)
Ballast filter installed. |
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Wednesday, December 04, 2024, 15:43, Isaiah Rabuka, , , , , , , ,
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| Wednesday, December 04, 2024, 15:42 Depressurized the ATTS |
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Tuesday, December 03, 2024, 15:49, Isaiah Rabuka, , , , , , , ,
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Tuesday, December 03, 2024, 15:48
Switched out pellets in ATTS, brought pressures down to ~10 uTorr, heated and cooled sample. |
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Tuesday, December 03, 2024, 14:55, Dave Neilson, , , , , , , Done, Power supply changed to CATHODE mode (-)
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| Tuesday, December 03, 2024, 14:55 ANODE/CATHODE power supply switched to cathode mode, NEGATIVE |
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Thursday, November 28, 2024, 13:47, Isaiah Rabuka, , , , , , , ,
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November 28, 2024 1:46PM
Checked in on sample in ATTS. |
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Thursday, November 28, 2024, 11:47, Isaiah Rabuka, , , , , , , In progress, Heating Stage Pellet Testing and Development
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Opened the ATTS, placed what I will call “Cast Alumina Sample #1” into the ATTS and activated the roughing then turbo pumps. Currently sample
is in slow heating progress to 1000 degrees Celsius, process is expected to take some time, so I'll revisit after lunch.
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Tuesday, November 19, 2024, 14:25, Aaron Schmidt, , , , , , , , Pump down empty chamber
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| Tuesday, November 19, 2024, 14:25: Roughing |
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Wednesday, November 13, 2024, 14:36, Aaron Schmidt, UC#(47) - Not included, LP-SIS, ITE, TM3, 44691-8, 45235-24, In progress, Conditioning UC#47 (Assembly only)
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Gas line is attached.
Wednesday, November 13, 2024, 14:18: Roughing.
Wednesday, November 13, 2024, 18:20: Closed backing valves. Vacuum @ 2.140 T? |
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