Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1987-11-04
1989-03-28
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
324322, G01R 3320
Patent
active
048167657
ABSTRACT:
The detection coil of a magnetic resonance imaging apparatus comprises a stack of two coils with locally mutually perpendicularly directed B Fields. The first coil is formed as a butterfly coil having a B field extending parallel to the plane of the coil, the second coil being formed by a single flat coil having a B field extending transversely of the plane of the coil. The coils are arranged in a fixed mutual orientation so that for each of the coils reciprocally applied fluxes are always compensated for.
REFERENCES:
patent: 4636730 (1987-01-01), Bottomley
patent: 4648405 (1987-03-01), Keren
patent: 4685468 (1987-08-01), Macovski
patent: 4721913 (1988-01-01), Hyde et al.
Briody Thomas A.
Haken Jack E.
Slobod Jack D.
Tokar Michael J.
U.S. Philips Corporation
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