Shielded and open superconductive magnet

Details Shielded and open superconductive magnet Shielded and open superconductive magnet

1998-03-05

1999-02-23

Gellner, Michael L.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Superconductive type

335299, 335301, 324319, 324320, G01V 300

Patent

active

058748806

ABSTRACT:
An open superconductive magnet useful in magnetic resonance imaging (MRI) applications. The magnet has two spaced apart assemblies, wherein each assembly has a superconductive shielding coil spaced longitudinally outward and apart from a superconductive main coil. A magnetizable pole piece is spaced apart from the coils, has a radially-outer portion at least partially radially overlapping the main coil, and has a longitudinally-inner portion which projects longitudinally inward past the longitudinally outer end of the main coil.

REFERENCES:
patent: 5345208 (1994-09-01), Dorri et al.
patent: 5410287 (1995-04-01), Laskaris et al.
patent: 5436607 (1995-07-01), Chari et al.
patent: 5446434 (1995-08-01), Dorri et al.
patent: 5448214 (1995-09-01), Laskaris
patent: 5517168 (1996-05-01), Dorri et al.
patent: 5517169 (1996-05-01), Laskaris et al.
patent: 5565831 (1996-10-01), Dorri et al.

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