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_1, Page 6 of 15  Not logged in ELOG logo
Entry  Wednesday, May 25, 2011, 14:42, John Wong, UO2/C, UCx-heatboat#1, LP-SIS, Done, Batch#1: UO2/C mixing & carbonization Screen_shot_2011-05-26_at_3.14.00_PM.pngauto_ramping.pngUCx_2011_A_carbonization.pngEvaporator_Ar_flow.pngUC2.png
Before began the carbonization process, two cameras were setup in the hotlab for monitoring the evaporator and the power supply.  On duty ISAC Ops
also helps to monitor on a regular basis and to grab the striptools + cameras (twice/shift) and put this information in the ISAC Logbook with subject header:
 "UCx_2011_A 'date time'", for easy search.  
Entry  Thursday, June 30, 2011, 12:42, John Wong, UO2/C, UCx-heatboat#1, LP-SIS, Done, Batch#2: UO2/C for carbonization startup_vac.jpgstartup_current.jpgparameter.jpgUCx_2011_b_3days.pnggrab.S13888.png
Before began the carbonization process, two cameras were setup in the
hotlab for monitoring the evaporator and the power supply.  On duty ISAC Ops also helps to monitor on a regular basis and to grab the striptools +
cameras (twice/shift) and put this information in the ISAC Logbook with subject header:  "UCx_2011_B 'date time'", for easy search.  
Entry  Monday, July 18, 2011, 15:55, John Wong, Empty, 38634-3, LP-SIS, Done, Sintering TaC coating for UCx#2 striptool.jpg
 Monday, July 18, 2011, 15:53:  Target oven was coated with TaC and let dry over the weekend.  The target is now installed in the evaporator
and currently being pumped down.  No Ta-heat shields are required for LP target ovens. 
Wednesday, July 20, 2011, 11:42:  Evaporator had to be vented to remove the target because Ta-heat shields were actually required for UCx
Entry  Wednesday, July 27, 2011, 13:02, John Wong, UC2, 38634-3, LP-SIS, Problems, UCx#2 conditioning  striptool_july31.pngTarget_with_3_heat_shields.jpgstriptool_july31_600A.jpgUCx#2-conditioning.jpg
Wednesday, July 27, 2011, 12:58: 
Target length = 11.2cm
Total UC2/C foils = 245 discs
Entry  Wednesday, August 03, 2011, 17:16, John Wong, Empty, 38634-8, LP-SIS, Done, Sintering TaC coating  striptool.JPG
Wednesday, August 03, 2011, 20:27 :  Target was wrapped with 3 new Ta-heat shields and 2 around the back block.  The tar from the previous
UCx conditioning remained in the chamber was removed and cleaned.  Chamber is currently being pumped down, vac currently @ 8.3 e-6 Torr. 
Wednesday, August 03, 2011, 21:01:  Begin to step up TGHT, currently vac @ 7.5e-6 Torr.
Entry  Thursday, August 04, 2011, 17:46, John Wong, UC2, 38634-8, LP-SIS, Problems resolved, Repacking UCx in new target oven 200A.jpgreconditioning.jpg
Thursday, August 04, 2011, 17:44:  All the UCx material from target oven  38634-3 was recovered and repacked in this new oven.  Total mass
recovered = 45.911g and packed in 10.7cm length.  Target is currently being pumped down. 
Thursday, August 04, 2011, 20:23:  Current vac 5.6e-6 Torr.  Stepping up TGHT to 104A, vac increasing slowly.  Being auto heating
Entry  Monday, August 29, 2011, 11:21, John Wong, Empty, 38634-6, LP-SIS, Done, Sintering TaC coating oven for TaC#1 TaC_target_oven.JPG
 Monday, August 29, 2011, 13:16: Target oven was coated with TaC and let dry over night.  The target oven is in the evaporator and currently
being pumped down.  
Monday, August 29, 2011, 15:12: Currently vac @ 8.41e-6 torr. 
Entry  Tuesday, August 30, 2011, 09:31, Anders Mjos, Empty, Target Boat, LP-SIS, Done, Sintering of End Caps 
Tuesday, August 30, 2011, 09:29: Target Boat wrapped with 3 Ta heat shields. 6 D-End Caps and 6 End Caps coated with TaC. Pumping down - vac at 3.6e-5
torr.
Tuesday, August 30, 2011, 10:35: Stepped heater up to 100 A. Vacuum tripped heater. Stepped back up to 80 A then 70 A. Vac at 4.5e-5 torr.
    Reply  Tuesday, August 30, 2011, 16:30, John Wong, Empty, Target Boat, LP-SIS, Done, Sintering of End Caps 


    
        
            Anders Mjos wrote:
        
        
            
            Tuesday, August 30, 2011, 09:29: Target Boat wrapped with 3 Ta heat shields. 6 D-End Caps and 6 End
    Reply  Tuesday, September 06, 2011, 17:05, John Wong, Empty, 38634-6, LP-SIS, Done, Sintering TaC coating oven for TaC#1 striptool.JPG


    
        
            John Wong wrote:
        
        
            
             Monday, August 29, 2011, 13:16: Target oven was coated with TaC and let dry over night.  The target oven
Entry  Wednesday, September 07, 2011, 13:41, John Wong, TaC, 38634-6, LP-SIS, Done, TaC#1: Sintering and Organics burn-off  TaC#1.jpgendcaps_after_sintering.pngTaC_aftersintering.jpg
Wednesday, September 07, 2011, 15:31
125 discs of TaC/C
Total discs mass = 125
Entry  Wednesday, September 21, 2011, 13:23, John Wong, Empty, 38634-10, LP-SIS, Done, Sintering TaC coating on target oven for UCx#3  archiver_TGHT0-580A.JPG
Wednesday, September 21, 2011, 13:23
Target oven was wrapped with 3-Ta heatshields including the back block. 
Target is in the chamber and currently being pumped down.
Entry  Thursday, September 22, 2011, 20:34, John Wong, Empty, 38634-9, LP-SIS, Done, Sintering TaC coating for UCx#2 (spare) 
 Thursday, September 22, 2011, 20:21
Target oven was wrapped with 3 Ta-heat shields and has been pumping down.
IG currently @ 3.2e-6 Torr, BP @ 25mT. 
Entry  Thursday, November 03, 2011, 09:24, John Wong, UC2, 38634-10, LP-SIS, Done, UCx#3: Final conditioning auto_heating_failed.jpgEvap1_TGHT_problem.jpgEvpr_org_burnout_01.jpgEvpr_org_burnout.jpgarchive_overall_process.JPG
 Thursday, November 03, 2011, 08:59
Target was previously coated/sintered with TaC & wrapped with 3 Ta-heat shields, including the back-block. 
Target was loaded with 365 UC2 discs + 3 samples for analysis. 
Entry  Monday, November 14, 2011, 11:56, Peter Kunz , UC2, 38634-10, LP-SIS, Done, UCx03: Conditioning up to 175A 0--0009.jpg0--0011.jpg
Evaporator was cleaned Nov 11 from after target was conditioned up to 175A. There was significant condensation of oily fluid on the left side where the
target container was open (D-shaped end cap). There were also deposits in the hole for the ionizer, but the ionizer itself seemed to be clean.
Entry  Tuesday, July 10, 2012, 12:54, John Wong, UC2, 38634-9, LP-SIS, Done, UCx#4 final conditioning completed TGHT_0-175_orgburnoff.GIFUCx#4_final_conditioning_0-520A.PNG
Tuesday, July 10, 2012, 12:44
Target contains 230 discs of UCx (material from UC2 flakes, batch#01-04062012). 
Total UCx mass (UC2 + C-grv extra + C-foil + Org.) = 38.564g
Entry  Friday, August 24, 2012, 16:44, John Wong, UC2, 39165-5, LP-SIS, In progress, Conditioning UCx#5 
Friday, August 24, 2012, 16:40
Target is loaded with 245 discs of UCx (material from batch#02-13062012),
Tot length = 9.1 cm. 
Entry  Monday, September 03, 2012, 02:56, Peter Kunz , UC2, 39165-5, LP-SIS, In progress, Conditioning UCx05 
Organic/volatile burnoff complete at TGHT = 190A. Rampdown initiated.
Entry  Tuesday, September 04, 2012, 17:26, Peter Kunz , UC2, 39165-5, LP-SIS, In progress, Conditioning UCx05 
Organic gunk cleaned out. Beginning 2nd phase of conditioning.
Entry  Friday, September 07, 2012, 17:21, Peter Kunz , UC2, 39165-5, LP-SIS, In progress, Conditioning UCx05 
Target 6h at 520A. IEVAP:IG1 8.4e-6 Torr. Cool down sequence initiated.
ELOG V2.9.2-2455