Structure for homogenizing the fundamental field in a nuclear ma

Details Structure for homogenizing the fundamental field in a nuclear ma Structure for homogenizing the fundamental field in a nuclear ma

1986-11-03

1988-05-31

Levy, Stewart J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324300, G01R 3320

Patent

active

047484136

ABSTRACT:
A structure for homogenizing the fundamental field in a nuclear magnetic resonance examination apparatus has a plurality of rods consisting at least partially of ferromagnetic material and a structure for supporting the rods in the fundamental magnetic field. The supporting structure may be in the form of rings with the rods extending therethrough at selected positions, either individually or in groups. The location, cross-section, length, shape and number of rods are selected as needed for homogenizing the fundamental field.

REFERENCES:
patent: 4240439 (1980-12-01), Abe et al.
patent: 4374360 (1983-02-01), Sepponen
patent: 4612505 (1986-09-01), Zijlstra
patent: 4631481 (1986-12-01), Young et al.
patent: 4639673 (1987-01-01), Zijlstra
"Surface Coils to Improve the Homogeneity of a Given Magnet," Czok et al, Nucl. Instr. and Method. 140 (1977), pp. 39-45.
"A Method for Improving the Quality of the Magnetic Field in a Solenoid," Feinberg et al, Nucl. Instr. and Meth. 203 (1982) pp. 81-85.

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