Passive shimming assembly for MR magnet

Details Passive shimming assembly for MR magnet Passive shimming assembly for MR magnet

1989-12-04

1991-02-05

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

324318, H01F 700

Patent

active

049908774

ABSTRACT:
A passive shim assembly for a magnet having a central bore is provided. The passive shim assembly includes a plurality of axially extending guide rails bonded directly to the bore of the magnet and equally spaced circumferentially. A plurality of arcuately shaped drawers are slidably mounted between adjacent channel pieces. A plurality of stacks of arcuate strips of magnetic flux conducting material demountably secured to each of the drawers, the strips extending in the circumferential direction.

REFERENCES:
patent: 4893083 (1990-01-01), Overweg et al.

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