Multi-layer magnet

Details Multi-layer magnet Multi-layer magnet

2007-05-01

2007-05-01

Arana, Louis M. (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

C324S320000, C335S299000

Reexamination Certificate

active

11183940

ABSTRACT:
A shielded superconducting MRI magnet system uses a multi-layer shielded coil design. By splitting the magnet coils into a plurality of coil layers, an increased number of degrees of freedom is achieved which, in turn, permits minimization of the overall length of the magnet while nevertheless avoiding excessive magnet field and stress values in the coils. A compact coil system is thereby designed which also satisfies the plurality of MRI requirements with regard to sufficiently large investigational volume, magnet field strength, acceptable homogeneity, and magnet stray field limitation while achieving sufficiently low maximum coil B field strengths and stress values to avoid quenches and maintain the structural integrity of the magnet.

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