NMR spectroscopy body probes with at least one surface coil

Details NMR spectroscopy body probes with at least one surface coil NMR spectroscopy body probes with at least one surface coil

1984-08-16

1987-01-13

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324322, G01R 3320

Patent

active

046367306

ABSTRACT:
An NMR spectroscopy body probe is comprised of at least one surface coil, each coil having at least one turn and positioned adjacent to a first surface of an insulative member; an electric-field-reducing shield is fabricated upon the other surface of the relatively flexible substrate. The shield surface of the probe is to be positioned closest to the sample. A plurality of surface coil-bearing substrates can be stacked, one adjacent to the other with the planes thereof substantially parallel to each other and to the plane of the electric-field shield, and with each individual surface coil being separately tunable to a different nuclei species resonance frequency. Each surface coil can be utilized for both transmission and reception, or can be used for only reception of the re-radiated signal from the sample, with a separate excitation coil being provided with a radius substantially greater than the average radius of the (receiver) surface coil and positioned in the plane of any of the at least one receiving surface coils.

REFERENCES:
patent: 3771055 (1973-11-01), Anderson
patent: 4435680 (1984-03-01), Froncisz
patent: 4439733 (1984-03-01), Hinshaw
patent: 4563648 (1986-01-01), Hill

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