 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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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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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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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. |
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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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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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Wednesday, September 28, 2011, 14:11, Friedhelm Ames, SiC#26, , ITE, TM4, , , , gas system checked and pumped
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The gas system has been checked. The variable valve opens at about 7.55 very fast. Please be careful when using it. Stepsize for opening around this value should be 0.01. Gas lines have been pumped with pump in the high voltage rack. Ne leak was opened to release pressure. |
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Friday, January 20, 2012, 10:37, Friedhelm Ames, , , , , , , , vacuum pumps shut off
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turbo pumps shut off due to work on cooling water system |
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Tuesday, January 24, 2012, 09:44, Friedhelm Ames, , , , , , , , turbo pumps restarted
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All turbo pumps have been restarted after cooling water is back and running.
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Wednesday, February 08, 2012, 17:39, Friedhelm Ames, , , , , , , Failed, TSG:TP1B failure
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Both turbo pumps at the source box were found off. TSG:TP1A has been started normally. TSG:TP1B does not spin up above 3KRPM even after several attemps. A fault report has been send to vacuum group.
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 Wednesday, February 08, 2012, 18:16, Friedhelm Ames, , , , , , , Failed, TSG:TP1B and TSG:TP1A failure
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| Friedhelm Ames wrote: |
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Both turbo pumps at the source box were found off. TSG:TP1A has been started normally. TSG:TP1B does not spin up above 3KRPM even after several attemps. A fault report has been send to vacuum group.
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after about 30 minutes running at normal speed TP1A failed as well. Both pumps will be kept off over night. |
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Monday, February 27, 2012, 17:39, Friedhelm Ames, , , , , , , In progress, target and tube heaters ramped up
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ramping up target to 300 A and tube to 270 A |
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Wednesday, February 29, 2012, 09:43, Friedhelm Ames, , , , , , , , checking gas inlet valve for FEBIAD
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Wednesday, February 29, 2012, 15:08, Friedhelm Ames, , , , , , , , connected Al(CH3)3
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connected A(CH3)3 instead of He, pumped line and valve with pump on the high voltage rack.. Opened regulating valve first response at mass 27 with valve set point at 7.0. |
Wednesday, February 29, 2012, 17:22, Friedhelm Ames, , , , , , , , mass scan 
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mass scan with valve at 7.2 to let in Al(CH3)3 saved as
plotdump-local-clean.txt_Feb29_12_17-19-20.txt
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Wednesday, February 29, 2012, 17:26, Friedhelm Ames, , , , , , , , gas inlet valves closed
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Thursday, March 01, 2012, 17:04, Friedhelm Ames, , , , , , , , new mass scan
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bigger mass scan after separator optimization and with finer step size
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Thursday, March 01, 2012, 17:05, Friedhelm Ames, , , , , , , , start heater ramping down
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Thursday, March 01, 2012, 17:09, Friedhelm Ames, , , , , , , , new mass scan
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| Friedhelm Ames wrote: |
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bigger mass scan after separator optimization and with finer step size
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total curren on Fc0 183 nA gas valves SV2/5 open leak valve at 7.2 SV1 closed |
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Thursday, March 01, 2012, 17:10, Friedhelm Ames, , , , , , , , start ramping down of heaters
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