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 * Akutsu collected unwashed parts to be used in vacuum, and washed them with ethanol in a supersonic bath at Univ. of Toyama.  * Akutsu collected unwashed parts to be used in vacuum, and washed them with ethanol in a supersonic bath at Univ. of Toyama; thanks to Yamamoto-san.

20180213

Today's activities

  • Tanioka made several patch cables between Dsub and the signal distributor according to Miyo's suggestions.
  • Akutsu collected unwashed parts to be used in vacuum, and washed them with ethanol in a supersonic bath at Univ. of Toyama; thanks to Yamamoto-san.
    • The Coil, the PDs and the LEDs were also washed. (For LEDs, never use acetone!!! please read the manual.)
    • The copper pipes were also washed.
  • [Ongoing] Need cares of water springs from anchor bolts for oplev pylons.

  • [Ongoing] Need to confirm what are the scratch lines made by the measurement by the KEK team last week.

Next plan

  • Complete the assembly of the PS heads with clean parts (or wash them after assembled)
  • Calibrate the PS.
  • Complete the calibration of the oplev; the arm length was reported by Simon, so....
  • Check the balance of the suspended WAB with some wires and sensors are attached.
  • Check how the damping would be now after the replacement of the damping magnets.
  • Check the reproducibility of the alignment of the suspension among several modes.
  • Prepare calibration of photosensors.
  • Check heights of several points.
  • Take care of water spring??

Wanted!

  • A tweezer.
  • Two burndy connectors, vacuum compatible.
  • Chairs in the clean booth
  • Cutters and scissors!!
  • Stages outside the chamber to ease wiping our legs.

  • Good rail(?) to move the WAB suspension in the cryostat in the main beam direction.

  • Chain block? to support the load in the chamber.

  • A clock to know the time easily.
  • M6 screw set.

LCGT/subgroup/AOS/WideAngleBuffle/2018-02-13 (last edited 2018-02-14 21:26:15 by TomotadaAkutsu)