Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1991-06-26
1993-03-02
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
324304, G01R 3320
Patent
active
051912880
ABSTRACT:
A gradient magnetic field coil for generating a gradient magnetic field comprises at least one pair of conductive thin plates placed on a surface of a cylinder and rod conductors for supplying an electric current to at least one pair of conductive thin plates. In case of defining a body center of the cylinder to be an origin, defining a central axis of the cylinder to be a z axis, defining an axis included in the plane, intersecting at the origin and being vertical to the z axis to be an x axis and defining an axis intersecting at the origin and being vertical to the x axis and the z axis to be a y axis, at least one pair of conductive thin plates have a symmetrical shape with respect to an x-y plane and a y-z plane, and the conductive thin plates, each facing to each other, are placed in a symmetrical position with respect to an x-z plane and have a symmetrical shape with respect to an x-z plane. An electric current distribution on conductive thin plates is symmetrical with respect to an x-z plane and each electric current in conductive thin plates flow in an opposite direction to each other.
REFERENCES:
patent: 3778700 (1973-12-01), Bayley et al.
patent: 4399406 (1983-08-01), Biehl et al.
patent: 4403190 (1983-09-01), Greenwood
patent: 4406986 (1983-09-01), Greenwood
patent: 4845432 (1989-07-01), Overweg
Fuji Electric & Co., Ltd.
Tokar Michael J.
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