NMR inhomogeneity compensation system

Details NMR inhomogeneity compensation system NMR inhomogeneity compensation system

1983-07-18

1986-11-18

Kreitman, Stephen A.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324313, G01R 3320

Patent

active

046238441

ABSTRACT:
The volume of interest is excited. An array of pickup coils with water cores provide an array of signals whose frequencies indicate the magnetic field distribution. These frequencies are estimated and used to produce controlled magnetic field inhomogeneities which substantially cancel the undesired inhomogeneities in the field. The control signals can be stored and updated with each subsequent excitation.

REFERENCES:
patent: 3510832 (1970-05-01), Golay
patent: 3564398 (1971-02-01), Nelson
patent: 4284950 (1981-08-01), Burl
patent: 4417209 (1982-11-01), Hounsfield
patent: 4424488 (1984-01-01), Hounsfield

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