High-frequency coil for nuclear magnetic imaging

Details High-frequency coil for nuclear magnetic imaging High-frequency coil for nuclear magnetic imaging

1988-03-02

1989-10-17

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324322, 333219, G01R 3320

Patent

active

048750131

ABSTRACT:
A high-frequency coil of the type of slot resonator in which outer conductors that have wing portions at both ends thereof and that are divided, are formed on the cylindrical surface, and ring-like inner conductors are formed on the inside of the wing portions. The wing portions have a width different from the width of the inner conductors. The self resonance frequency of the coil is adjusted by adjusting the width which is smaller than the other width. Further, the neighboring tips of the wing portions are opposed to each other via an air gap. The self resonance frequency is also adjusted depending upon the position of the dielectric plate inserted in the gap.

REFERENCES:
patent: 4641097 (1987-02-01), Bottomley et al.
patent: 4740751 (1988-04-01), Misic et al.
patent: 4748412 (1988-05-01), Yamamoto

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