NMR imaging systems

Details NMR imaging systems NMR imaging systems

1985-06-27

1988-06-07

Noland, Tom

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324308, G01R 3322

Patent

active

047499486

ABSTRACT:
An automatic shimming system for correcting inhomogeneties in magnetic resonance magnetic fields. The static magnetic field is mapped using three dimensional phantoms that comprise a plurality of samples including at least an element having non-zero nuclear magnetic moments spatially distributed to enable uniquely locating each sample with only two locating gradients.

REFERENCES:
patent: 4528510 (1985-07-01), Loeffler et al.
patent: 4551678 (1985-11-01), Morgan et al.
patent: 4623844 (1986-11-01), Macovski
patent: 4625168 (1986-11-01), Meyer et al.
2nd Annual Meeting of Society of Magnetic Resonance Imaging in Medicine--San Francisco, Aug. 19, 1983; paper entitled "Field Measurement by Fourier Imaging"; an unnumbered page and page 337; H. E. Simon et al.

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