2017-02-28

• 2:19pm, installed in CR0, balanced, with 1/2" inserts facing down
  • It looks dusty and there is a fingerprint on the edge. I didn't clean it
• 2:21pm, roughing pump on
• 2:35pm, turbo pump on
• Excitations:

  • Quiet time before excitation: 1172377933
    Excitation broadband: 1172377965
    Quiet time after excitation: 1172378027

  • Quiet time before excitation: 1172381657
    Excitation broadband: 1172381689
    Quiet time after excitation: 1172381751

  • Quiet time before excitation: 1172385381
    Excitation broadband: 1172385414
    Quiet time after excitation: 1172385476

  • Quiet time before excitation: 1172389106
    Excitation broadband: 1172389138
    Quiet time after excitation: 1172389200

  • Quiet time before excitation: 1172392830
    Excitation broadband: 1172392863
    Quiet time after excitation: 1172392925

  • Quiet time before excitation: 1172396555
    Excitation broadband: 1172396587
    Quiet time after excitation: 1172396649

2017-03-01

• 9:36am, pumps stopped

2017-03-02

• 9:00am. The laser beam was probably hitting one of the glued inserts. Checked that te disk is not touching, moved the ESD a bit lower
• 9:04am, roughing pump on
• 9:17am, turbo pump on
• 1:50pm, pumps off