 Monday, May 08, 2017, 10:05, Laura Lambert, , , , Maintenance, Turbo pump control box replaced
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Monday, May 08, 2017, 10:05
Turbo pump control box died last week.
Replaced with a new one. |
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Thursday, May 11, 2017, 11:30, Laura Lambert, , , , Maintenance, New Ion Gauge for IGP2
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Thursday, May 11, 2017, 11:25
IGP2 has been having problems where sometimes it turns off and requires simply unplugging and plugging back in.
Ion gauge has been replaced. |
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Tuesday, July 18, 2017, 15:30, Laura Lambert, , , , Maintenance, Paddle wheel replacement for all evap2 water supplies
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Tuesday, July 18, 2017, 15:26
Problems occured with TGHT water supply paddle wheel stopped and therefore tripped off evap2 last week.
All paddle wheels were replaced today for evap2 [other than the chiller]. |
Tuesday, August 01, 2017, 15:34, Laura Lambert, , , , Problems, IGP1 mis-communicating with EPICS - PLC problem? 
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Monday, July 31, 2017, 15:24
Turned on BV and TP this afternoon.
Started ramping down, ~1min after turned on both tripped off. |
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Wednesday, August 02, 2017, 16:12, Marla Cervantes, , 40282-5, , Done, Sintering La(OH)3/C pellets
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Monday, July 31, 2017,
Pellets previously pressed by Marla and Pauline.
Pellets are placed inside a small graphite container. |
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Tuesday, August 08, 2017, 15:00, Laura Lambert, Empty, , , Problems resolved, Wiring in PLC replaced re: IGP1 mis-communicating
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Tuesday, August 08, 2017, 14:57
See elog i.d's #384 and #381
Investigated wiring in PLC. |
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Tuesday, September 12, 2017, 13:08, Aaron Schmidt, , , , , Window shutter added
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Tuesday, September 12, 2017, 12:00:
The coated back window was changed to a shuttered window.
On star-point flange bolt interfered with the shutter, however it was removed, shortened, and re-installed. |
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Monday, December 11, 2017, 14:22, Laura Lambert, , , , Maintenance, Interlock limits updated to 500mTorr
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Monday, December 11, 2017, 14:21
Dave updated evap2 interlock limits to 500mTorr for TGHT and TBHT on friday
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Wednesday, April 25, 2018, 07:21, Aaron Schmidt, , , , Done, HS swap evap 2
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Wednesday, April 25, 2018, 07:05: TGHT & TBHT off
Wednesday, April 25, 2018, 07:15: BV1 & TP1 off
Wednesday, April 25, 2018, 07:17: PV1 & BP1off |
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Saturday, April 28, 2018, 16:12, John Wong, Empty, Tube container , , Done, TaC coating/sintering of Tube container
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Saturday, April 28, 2018, 16:09
Container is coated with TaC and wrapped with TaC heatshield.
Will be used for carbonizing nanoSiC target materials. |
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Tuesday, May 01, 2018, 18:07, John Wong, np-SiC, Tube container, , Done, NanoSiC thermal treatment batch#1
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Tuesday, May 01, 2018, 18:06
21 fibrous discs of nanoSiC are loaded into a tube container (coated/Sintered with TaC).
Thermal treatment temperature at 1600C, TGHT is ~338A/5.5V, according to elog #407. |
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Tuesday, May 08, 2018, 15:06, John Wong, np-SiC, Tube container , , Done, NanoSiC thermal treatment batch#2
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Tuesday, May 08, 2018, 15:02
22 np-SiC fibrous discs loaded in the tube container (coated and sintered with TaC)
Heat treatment is similar to previous process, see elog #408. |
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Friday, June 08, 2018, 08:33, Aaron Schmidt, , , , Problems resolved, Chiller tripped / Alarm
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Alarm noted on passing Hot Lab. RPG notified, no radiological hazards. ISAC ops contacted, drop in DI water last night.
Entered w/ PPE. Chiller alarming. Evap 1 running ok
Friday, June 08, 2018, 08:30: Chiller turned on/off. Reset. No alarm. |
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Tuesday, July 03, 2018, 17:05, John Wong, np-SiC, Tube container, , Done, NanoSiC thermal treatment batch #3
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Tuesday, July 03, 2018, 17:02
49 discs/ 15.42g np-SiC fibrous discs loaded into the tube container
Heat treatment is similar to previous process, see elog#408/409. |
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Tuesday, September 11, 2018, 10:47, Aaron Schmidt, , , , , Evap 2 step discrepancy
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Tuesday, September 11, 2018, 10:45:
TGHT: 53.4 A TBHT: 57.75
Actual |
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Monday, November 19, 2018, 12:57, Marla Cervantes, Empty, 43630-7, , Done, TaC coating/sintering for graphite insert test
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Monday, November 19, 2018, 08:57
Tantalum tube was coated with TaC and wrapped with Ta heat-shield (3 layers)
Desired temp = 1900 C (expected TGHT ~445A/7.5V), TBHT will be set fixed at 230A (max). |
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Thursday, November 22, 2018, 10:19, Marla Cervantes, , 43630-7 , , Done, Graphite insert test #2
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Thursday, November 22, 2018, 10:12
A previously sintered tantalum tube with 3 layers of shielding was loaded with a graphite insert.
The tube was loaded in evaporator 2 on Wednesday 21/11/2018 and pumped down |
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Thursday, December 20, 2018, 10:27, Marla Cervantes, , 43630-6, , Done, Tantalum tube heating
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Thursday, December 20, 2018, 10:24
A tantalum tube was loaded in evaporator 2 on Wednesday 19/Dec/2018.
It is going to be heated to 2000 C during 3 weeks |
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Wednesday, January 16, 2019, 11:53, Marla Cervantes, TaC, 43630-2, , Done, TaC coating/sintering for graphite insert test
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Tuesday, January 15, 2018, 17:30
Tantalum tube was coated with TaC and wrapped with Ta heat-shield (3 layers)
Desired temp = 1900 C (expected TGHT ~445A/7.5V), TBHT will be set fixed at 230A (max). |
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Wednesday, January 23, 2019, 13:06, Marla Cervantes, , 43630-2, , Done, Graphite insert test #3
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Wednesday, January 23, 2019, 13:01
A previously coated tantalum tube with 3 layers of shielding (Details in e-log
426) was loaded with a graphite insert. |
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