NMR slice coil

Details NMR slice coil NMR slice coil

1995-04-13

1996-10-29

Brown, Brian W.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

324319, 324320, 335216, H01F 722, H01F 706

Patent

active

055700730

ABSTRACT:
A magnet system for a nuclear spin tomograph having at least one field producing magnet coil S.sub.1 with radius r.sub.s1 arranged in a middle plane which produces a homogeneous magnetic field in an investigational volume directed along a z-axis perpendicular to the middle plane, is characterized in that at least one, preferentially at least two, ferromagnetic rings R.sub.i with radius r.sub.Ri are provided in the middle plane concentric to the magnetic coil S.sub.1. A system of this kind can be substantially more compact in construction than conventional systems with equal produced field strength. In addition substantially reduced currents are required through the coil or coils for field production.

REFERENCES:
patent: 4564812 (1986-01-01), Van Dijk
patent: 4613820 (1986-09-01), Edelstein et al.
patent: 4701736 (1987-10-01), McDougall et al.
patent: 4710741 (1987-12-01), McGinley
patent: 5162768 (1992-11-01), McDougall et al.
patent: 5194810 (1993-03-01), Breneman et al.
patent: 5309106 (1994-05-01), Miyajima et al.
patent: 5400786 (1995-03-01), Allis
patent: 5412363 (1995-05-01), Breneman et al.

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