Magnet systems

Details Magnet systems Magnet systems

1995-02-17

1996-07-09

Arana, Louis M.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

335216, G01V 300

Patent

active

055347797

ABSTRACT:
In a magnet system, e.g. for use in a magnetic resonance apparatus, wherein a magnetic field is produced in a gap between pole pieces (5) joined by a yoke (7) by an electric drive coil arrangement carried on the yoke, stabilisation against variations in the field in the gap is provided by a stabilising arrangement (43) wherein over a section of its length the yoke is divided into a plurality of discrete parallel finger-like portions (45) each of which is surrounded by a separate ring (47) of superconducting non-magnetic material.

REFERENCES:
patent: 4656449 (1987-04-01), Mallard et al.
patent: 5008624 (1991-04-01), Yoshida
patent: 5079533 (1992-01-01), Hed
patent: 5138326 (1992-08-01), Edwards et al.
Eastham, et al.; "Preliminary Investigation Of The Utility Of High Temperature Superconductor As A Means Of Stabilising A Resistive NMR Magnet;" Applied Superconductivity; vol. 1, Nos. 10-12 pp. 1849-1854; 1993.

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