Electricity: measuring and testing – Particle precession resonance – Using a nuclear resonance spectrometer system
Patent
1990-05-14
1992-03-10
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Using a nuclear resonance spectrometer system
324300, G01R 3320
Patent
active
050952714
ABSTRACT:
A nuclear magnetic resonance device has a hollow cylindrical magnet that forms a void. The magnet has a plurality of south poles and an equal plurality of north poles, the poles being dimensioned and disposed on the magnet to establish a toroidal zone external to the magnet wherein the field of the magnet is of substantially constant strength. A solenoidal antenna is positioned within the void of the magnet. Electrical insulating material is positioned to cover the bases of the combined cylindrical structure and may also be disposed between the antenna and the magnet. Associated electronic power, signal processing, and indicating equipment may then be mounted adjacent the electrical insulator and the entire assembly contained in a suitable housing.
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patent: 4538130 (1985-08-01), Gluckstern et al.
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patent: 4621236 (1986-11-01), Halbach
patent: 4644313 (1987-02-01), Miyajima
patent: 4701736 (1987-10-01), McDougall et al.
patent: 4703276 (1987-10-01), Beer
patent: 4999600 (1991-03-01), Aubert
patent: 5014032 (1991-05-01), Aubert
General Atomics
Tokar Michael J.
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