<<TableOfContents(3)>>

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= VIS Meeting =
Date: 2024/7/5 10:00-

[[https://zoom.us/j/203743987|Zoom]]

Participants: Ushiba, Aso, Washimi, Tanaka, Sato

== Topics ==
=== Recovery of OMC Stack ===
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15746|Implementation]]
  * The wire was cut when we locked the IM in the OSTM suspension.
  * The mirror has been rotated when we rehung it in the OSTM suspension.
  * There was no margin to adjust the height of the optical bench.
  * There was a miscommunication on the attachment of the black panels.
  * Considering the actual access, the OMMT1 suspension was too heavy to install from the Y+ side.
  * The guide rod was bent and the M6 thread was damaged.
  * One screw to fix the EQ stopper plate was lost.
  * In-vacuum cables were not anchored to the SUS blocks owing to the short ones.
  * The roof doors were connected to each other.
  * The spare geophone did not work.
  * The frame with the C-cramps damaged the O-ring.
 
 * Evaluation
  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15862|Summary]]
  * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=30109|klog]]

=== Type-A ===
 * IP controls using ACCs
  * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=30157|Present status]]

=== Type-B/Bp ===
 * BF damper for Type-B
 * IP for Type-Bp

=== Type-C ===
 * Active isolation table: ATC

=== R&D ===
 * Protection from earthquakes
  * Application for Kakenhi ([[https://paper.dropbox.com/doc/--CSVUMuM~GM9QetDG~rqIOxIpAg-9u6o6e7X8CGgxNBoTaceJ|Memo]])

== Discussion ==

== Next meeting ==
 * 2024/7/19 10:00-