Electricity: measuring and testing – Particle precession resonance – Using a nuclear resonance spectrometer system
Patent
1986-08-29
1988-08-23
Levy, Stewart J.
Electricity: measuring and testing
Particle precession resonance
Using a nuclear resonance spectrometer system
G01R 3320
Patent
active
047663790
ABSTRACT:
A main magnetic field is applied to a target to excite the nuclear spin of a chosen type of atoms in a selected slice of the target. Subsequently, first and second gradient fields, which are parallel to the main magnetic field noted above and the strengths of which vary in the directions of respective first and second crossing axes in the slice, are applied to the target for predetermined period of time. Then, a readout magnetic gradient field, which is parallel to the first gradient field, and the strength of which varies in the direction of the first axis, is applied to the target to detect a free induction signal from the target. The detection of the free induction signal is repeatedly performed with a plurality of different strengths of the first and second gradient fields, whereby NMR data containing chemical shift data is obtained from the slice of the target noted above.
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Miyazaki Toshiyuki
Yamamoto Tohru
Asahi Kasei Kogyo Kabushiki Kaisha
Levy Stewart J.
O'Shea Kevin D.
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