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Size: 1241
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Size: 1469
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
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| * Evaluation of the FLDACC is ongoing with DGS in ATC. The present status is here. | * Evaluation of the FLDACC is ongoing with DGS in ATC. The present status is [[https://www.dropbox.com/scl/fi/rjom1y91h8v1bmusccnc5/FLDACCtest.pdf?rlkey=cqsciuul20wso1xbyvp0v0psw&dl=0|here]]. |
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| * The new geophone pre-amp boards had a problem. | * The new geophone pre-amp boards had a [[https://www.dropbox.com/scl/fi/csxmxrkevz6pwt3z9r142/Choke-2R2-_0001_0001.pdf?rlkey=ymmi9u4h66etxsetqmffu7qq5&dl=0|problem]]. |
Contents
VIS Meeting
Date: 2025/4/11 10:00-
Participants:
Topics
Type-A
- ACCs for the IP controls.
Evaluation of the FLDACC is ongoing with DGS in ATC. The present status is here.
Type-B/Bp
- Enclosure for the SG card into an independent box.
Tanaka-san made a prototype box. It is better to mount a 1U pannel like this.
- Yaw damper for Type-B.
We have asked ATC about the design of the IRM damper as the item in 2025FY. Updated design is here.
- IP for Type-Bp.
Type-C
- Active isolation table for OMC.
- Sato-san performed the FEM analysis on breadboard thickness.
The new geophone pre-amp boards had a problem.
- It isn't easy to purchase L4-C geophones.
- Vibration in the IFI chamber
Washimi-san suggested a handmade in-vac. mini-geophone.
- Small Type-C suspensions with mini-GAS.
R&D
Discussion
Next meeting
- 2025/4/25 10:00-