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2021/10/08 (Friday)

Previous Day

  • Lab in-personnel: Matt, Himangshu, Giulia, Derek
Status Run 74 finished.
All mixture is in dump. Fridge isolated. 1K Pot isolated. LN2 Trap 2 still has contaminants in it. MB in pit, clean tent erected. Cryostat vacuum jacket (CVJ) pumped out. IVC open
Yesterday the 4K, 600mK, 100mK stages were all deinstalled.
1300 Remove Tower from cryostat, using scissor jack. Put tower in cleanroom anteroom.
1500 Begin replacing resistors on HV board, to set up for HV bias to 6 Side2 phonon channels.
1630 Remeasure S104 channel resistances, see preparation
1650 Put tower from R74 deinstallation into nitrogen purge

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