Logbooks Lab Maintenance Evaporator_1 Evaporator_2 Laser cutter Target Production Test-Stand RH-ISAC RH-Cyclotron RH-Meson Hall RH-Beamlines RH-ARIEL
  Evaporator_2, Page 32 of 34  Not logged in ELOG logo
Entry  Wednesday, May 20, 2020, 07:18, Aaron Schmidt, , , , , Check Evap 2 
Gradually open waterlines under vacuum after period of no use.
Wednesday, May 20, 2020, 07:17: Vacuum @ 1.13e-06T
Wednesday, May 20, 2020, 07:19: Hot lab cooling water return opened. Vacuum @ 1.13e-06T.
Entry  Monday, July 13, 2020, 11:03, Aaron Schmidt, , , , , Pump down / leak / vacuum check. 
 Darwin reported that he was unable to achieve vacuum of 150mTorr. The flex-line HS had been removed last week for modifications. SS gaskets received
today. Replaced HS gaskets (Cu). 
Monday, July 13, 2020, 11:00: Roughing. 
Entry  Wednesday, August 05, 2020, 13:38, Aaron Schmidt, , , , , RP Swap on EVAP 2 
 BP1 swapped with RP2 (TS beamline)
U-line installed.
Wednesday, August 05, 2020, 13:37: Roughing. 
Entry  Wednesday, August 12, 2020, 08:58, Aaron Schmidt, , , , In progress, Install Flex line HS 
Flex line HS installed. New SS gaskets. 
Wednesday, August 12, 2020, 08:56: Roughing (Check).
Wednesday, August 12, 2020, 09:17: Ready for turbo pump.
Entry  Saturday, September 05, 2020, 21:33, Marla Cervantes, Empty, , , Done, Pristine Ta tube calibration 
Saturday, September 05, 2020, 12:56
A Ta tube was wrapped with 3 tantalum foils,
a tantalum cap was inserted in both sides of the Ta tube, the caps weren't sealed.
Entry  Thursday, September 24, 2020, 13:37, Aaron Schmidt, Nb, , TARGET BOAT, , Nb Test SRF group 
Sample loaded into a vertical target boat. Flex line HS removed, SS waterline HS installed -AS.
Thursday, September 24, 2020, 13:22: Roughing.
Thursday, September 24, 2020, 13:54: Turbo pump on. 
Entry  Friday, September 25, 2020, 10:32, Darwin Ortiz Rosales, Nb, , TARGET BOAT, Done, Heat Treatment of Nb for Edward 
Friday, September 25, 2020, 10:30 
Target boat with a layer of niobium foil on the bottom is used to heat up Nb samples to 1400
C for 4 hrs.
    Reply  Monday, September 28, 2020, 09:36, John Wong, Nb, , TARGET BOAT, Done, Heat Treatment of Nb for Edward 


    
        
            Darwin Ortiz Rosales wrote:
        
        
            
            Friday, September 25, 2020, 10:30 
Entry  Monday, September 28, 2020, 11:53, John Wong, np-SiC, , TARGET BOAT, In progress, np-SiC carbonization 
Monday, September 28, 2020, 11:49
6 discs of np-SiC were loaded to the target boat wrapped with 3 layers of heat shields.
Desired temperature at 1500 C, (As per e-log 414/416, TGHT = 450A/7.31V, 3.28kW) 
Entry  Wednesday, October 07, 2020, 12:25, Aaron Schmidt, , , , In progress, IEVAP2:TP1 Swap out. 
 Wednesday, October 07, 2020
TP1 was not spinning up past 4krpm. Stalling & tripping out. Examined with Vacuum group, appears to be starting to seize. Exchange turbo pump.
Serial# 500937
Entry  Friday, October 16, 2020, 16:31, Luca Egoriti, Empty, , TARGET BOAT, In progress, HPOG annealing 
Friday, October 16, 2020, 11:30
 Target mounted in EVAP2. Pump down started
Friday, October 16, 2020, 12:05
Entry  Tuesday, November 24, 2020, 08:13, Aaron Schmidt, , , , , Flex - line HS installed 
Monday, November 23, 2020, 17:01: Flex-line HS installed.

Tuesday, November 24, 2020, 08:03: Vacuum @ 9.55e-07T.
Tuesday, November 24, 2020, 08:08: Vacuum Ok
Entry  Monday, March 01, 2021, 13:58, Aaron Schmidt, , , , , Flex - line HS installed 
Flex-Line HS had been fully scrubbed out earlier. All gaskets replaced.
Empty. Quick check for leaks.
Monday, March 01, 2021, 13:57: Roughing.
Entry  Tuesday, March 16, 2021, 08:29, Darwin Ortiz Rosales, TaC, , TARGET BOAT, Done, sintering of TaC on Caps and springs 
 Tuesday, March 16, 2021, 08:28 
Each endcap is separated with a disc of graphite foil and rolled into packs of 5 within a foil
envelope in a target boat.
Entry  Tuesday, March 23, 2021, 08:07, Aaron Schmidt, , , , , Re - Ta test. Leak check. 
 Modified HS installed with new brackets as per Marla.
Tuesday, March 23, 2021, 08:02: Vacuum @ 3.64e-07T. Waterlines opened.
Tuesday, March 23, 2021, 08:06: Vacuum @ 3.60e-07T. Stable.
Entry  Thursday, March 25, 2021, 07:57, Aaron Schmidt, , , , , Re - Ta test. Leak check. 
Thursday, March 25, 2021, 07:55: Vacuum @ 5.12e-07T. Waterlines opened.
Thursday, March 25, 2021, 07:55: Vacuum @ 5.09e-07T. Stable.
Entry  Friday, June 11, 2021, 08:41, Darwin Ortiz Rosales, Nb, , TARGET BOAT, Done, Nb treatment for Norman 
 Friday, June 11, 2021, 08:05
Target boat with a layer of niobium foil on the bottom is used to heat up Nb samples to 1100
C for 4 hrs.
Entry  Wednesday, July 21, 2021, 16:45, Ferran Boix Pamies, Empty, , TARGET BOAT, Done, parasitic target thermal tests v2, foil measurement. 
 2021-07-21 4:44pm Vacumm at 1e-5Torr. Water cooling leak check ok.
 2021-07-21 4:54pm ramping up TGHT to 200A 1A/10s.
2021-07-21 5:31pm 200A TGHT, TC 94degC pyro 1100degC. TC very low, ramping down and venting.
Entry  Wednesday, October 13, 2021, 08:35, Aaron Schmidt, , , , Problems, Troubleshoot - Pump down issues. 
Swapped out the Cu gaskets for SS gaskets in the HS top lines. (x2)
Wednesday, October 13, 2021, 08:35: Roughing.
Wednesday, October 13, 2021, 08:50: Turbo pump on. TP Current 6.06-6.10A.
Entry  Thursday, October 21, 2021, 09:58, Darwin Ortiz Rosales, TaC, , TARGET BOAT, Done, Coating of Ta caps and Ta springs (10 caps and 2 springs) 
 
Thursday, October 21, 2021, 10:02
10 TaC coated Ta caps, wrapped in graphite foil.
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