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2015/11/19 (Thursday)

Previous Day

0945 Cease pumping on Dewar Jacket. Pressure in dewar jacket was ~4.6E-5mbar (pumping pressure).
Lower dewar the rest of the way. Install clean tent and wipe down inside with isopropanol.
1050 Open IVC to pumping manifold in preparation to fill the IVC w/ N2 gas. Pressure gauge reads >1bar. Overpressurize IVC w/ N2 gas.
1100 Open IVC and commence cleaning off visible indium.
1200 Finish removing 4K stage.
1530 Finish removing 300mK stage. A second person's needed to to remove the tower itself, so I have to wait.
1710 Place tower (double bagged) in clean room purge cabinet.

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