Magnetic field generating apparatus

Details Magnetic field generating apparatus Magnetic field generating apparatus

1993-06-29

1995-08-01

Arana, Louis

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324320, 335296, G01V 300

Patent

active

054382645

ABSTRACT:
A magnetic field generating apparatus has a hollow permanent magnet formed of a plurality of permanent magnet elements arranged to have a polygonal section. Magnetization directions of the end portions of the hollow permanent magnet in its longitudinal direction are made different from those of the central portion thereof so that the magnetic field generated in a predetermined region in the hollow space of the permanent magnet is increased as compared with a case where the magnetizations of the hollow permanent magnet are all directed in the same direction.

REFERENCES:
patent: 4679022 (1987-07-01), Miyamoto et al.
patent: 4695802 (1987-09-01), Zijlstra
patent: 4931760 (1990-06-01), Yamaguchi et al.
patent: 5014028 (1991-05-01), Leupold
patent: 5014032 (1991-05-01), Aubert
patent: 5099217 (1992-03-01), Leupold
patent: 5229723 (1993-07-01), Sakurai et al.

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