Passive shimming assembly for MR magnet

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

1986-12-03

1987-10-06

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

335301, H01F 300

Patent

active

046986111

ABSTRACT:
A passive shimming assembly is provided which allows flexible positioning of a plurality of arcuate segments of steel in the bore of a magnet, with enough degrees of freedom to adequately shim a magnetic resonance magnet to a level of inhomogeneity required for imaging without the use of correction coils.

REFERENCES:
patent: 3178602 (1965-04-01), Meixner
patent: 3643191 (1972-02-01), Kasai et al.
patent: 4580120 (1986-04-01), Jacquot
patent: 4646045 (1987-02-01), Chari et al.

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