Electricity: measuring and testing – Particle precession resonance – Using a nuclear resonance spectrometer system
Patent
1980-08-05
1983-04-05
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Using a nuclear resonance spectrometer system
324311, 324313, G01N 2700
Patent
active
043792626
ABSTRACT:
The invention is suitable for a small nuclear magnetic resonance pulse head applicable to a part of the body in the manner of ultrasonic systems. The arrangement generates a field which varies in amplitude with distance from the head, being uniform at surfaces which intrude into the body. Resonance is excited in one such surface and a gradient restricts resonance to one line therein. The phase is then dispersed along the line and the signal sensed as a function of position therealong.
REFERENCES:
patent: 3052834 (1962-09-01), Schuster
patent: 4068161 (1978-01-01), Ernst
patent: 4115730 (1978-09-01), Mansfield
patent: 4290019 (1981-09-01), Hutchison
Picker International Limited
Tokar Michael J.
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