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2020/09/05 (Saturday)

Previous Day

  • Lab in-person: Zach
  • Virtual partner: Michael
Setup Run 73. DIB 1/3/4 → Stripline 43/48/41 → pi-filters 1/2/3 → Cable 3/1/2 → nothing/nothing/accessory_interposer → HV_Conn 1/3/2 → HV 1/2 → DCRCX(4)/DCRC55(1)-master; DCRC33(2) → HV control. DCRCs on overnight. Lead/poly shield erected (4 lead walls, 2 poly walls).
0930 MB = 29.1%. Predict it will reach 20% at 14:43
1320 Zach body temp = 98.3
1330 MB = 21.2%
1340 Zach arrives at lab.
1345 Tower/MC/Coldplate = 50.7/31.7/190 mK, Still = 1.48 K / 0.095 mbar / 0 mW, G1/G2= 249/277 mbar, 1K Pot = 1.70 K / 50±2 mbar.
1359 Begin LHe transfer @ MB = 20.9%
1415 Filled LN2 cold trap dewar.
1429 Ended LHe transfer @ MB = 92.6%
1448 MB = 91.5%
1450 Zach leaves lab.
1630 Zach body temp - 97.6

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