Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1987-12-07
1989-04-25
Levy, Stewart J.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
324312, G01R 3320
Patent
active
048251623
ABSTRACT:
A method for simultaneously receiving a different NMR response signal from each of a plurality of closely-spaced surface coils, first provides an array of a plurality of the surface coils, each positioned so as to have substantially no interaction with all adjacent surface coils. A different NMR response signal is received from an associated portion of the sample enclosed within an imaging volume defined by the array. Each different NMR response signal is used to construct a different one of a like plurality of NMR images of the sample, with the plurality of different images then being combined, on a point-by-point basis, to produce a single composite NMR image of a total sample portion from which NMR response signal contribution was received by any of the array of surface coils. Interactions between non-adjacent surface coils are minimized by coupling each onto an associated preamplifier.
REFERENCES:
patent: 4682112 (1987-07-01), Beer
patent: 4721413 (1988-01-01), Hyde et al.
patent: 4728896 (1988-03-01), Bendall et al.
patent: 4733183 (1988-03-01), Young
patent: 4777438 (1988-10-01), Holland
"High Resolution Magnetic Resonance Imaging Using Surface Coils" J. F. Schenck, et al., Magnetic Resonance Annual 1986, ed. H. Y. Kressel, (1986) pp. 123-160.
Edelstein William A.
Roemer Bernard
Davis Jr. James C.
General Electric Company
Krauss Geoffrey H.
Levy Stewart J.
O'Shea Kevin D.
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