Gradient coil system for a nuclear magnetic resonance tomography

Details Gradient coil system for a nuclear magnetic resonance tomography Gradient coil system for a nuclear magnetic resonance tomography

1989-11-28

1991-04-30

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

335213, 335299, G01R 3320

Patent

active

050121910

ABSTRACT:
A gradient coil system for a nuclear magnetic resonance tomography apparatus has a set of saddle coils disposed on a first cylindrical surface for generating the x-gradient, and a set of saddle coils disposed on a second, separate cylindrical surface for generating the y-gradient. The saddle coils in each set include three sub-coils having predetermined ampere turns, and formed by cable conductor wound exclusively by convex turns arranged in the same cylindrical surface. A middle coil of the three sub-coils has an arced portion facing the z.dbd.0 plane in an x-y-z coordinate system which approximates an arc of an ellipse.

REFERENCES:
patent: 4585995 (1986-04-01), Flugan
patent: 4616181 (1986-10-01), Kemner
patent: 4746866 (1988-05-01), Roschmann
patent: 4878024 (1989-10-01), Overweg

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