Isotropic rare earth-iron field magnets for magnetic resonance i

Details Isotropic rare earth-iron field magnets for magnetic resonance i Isotropic rare earth-iron field magnets for magnetic resonance i

1986-11-20

1989-05-09

Sheehan, John P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

148301, 148302, 420 83, 420121, H01F 104

Patent

active

048292770

ABSTRACT:
A ring magnet for creating a desired magnetic field within the bore of the ring is formed from a plurality of magnetized, magnetically isotropic magnets comprised of RE.sub.2 TM.sub.14 B.sub.1 alloy. The invention has particular application to ring magnets for magnetic resonance imaging devices.

REFERENCES:
patent: 4538130 (1985-08-01), Gluckstern
R. W. Lee, "Hot-Pressed Neodymium-Iron-Boron Magnets", Appl. Phys. Lett., vol. 46, Apr. 1985, pp. 790-791.

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