Some Notes on Assembly of Modified UIM Magnet/Flag Unit

Document #:

LIGO-T1400367-v2

Document type:

T - Technical notes

Abstract:

Some Notes on Assembly of Modified UIM Magnet/Flag Unit

This document captures some info on experience gained in assembling prototypes of a proposed new magnet/flag assembly for the UIM stage of the quad suspensions, using smaller magnets to mitigate magnetic coupling effects.

Files in Document:

• T1400367-v2_modified_UIM_magnet_flag_assembly_notes.pdf (file is not accessible)

Other Files:

• T1400367-v2_modified_UIM_magnet_flag_assembly_notes.docx (file is not accessible)

Topics:

• Assembly
• Suspensions
• Basic R&D

Authors:

• Norna Robertson
• Jeffrey Lewis

Keywords:

UIM flag magnet assembly risk reduction

Notes and Changes:

v1 = first draft
v2 - expanded the conclusions.

Referenced by:

• LIGO-T1300503-v4: Redesign of quad UIM coil driver and magnet size to reduce magnetic coupling