Circularly polarizing local antenna for a nuclear magnetic reson

Details Circularly polarizing local antenna for a nuclear magnetic reson Circularly polarizing local antenna for a nuclear magnetic reson

1992-11-02

1994-01-18

Arana, Louis

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

1286535, G01V 300

Patent

active

052802493

ABSTRACT:
In a circularly polarizing local antenna for a nuclear magnetic resonance imaging apparatus, a first antenna system is fashioned as a frame coil. A second antenna system has two sub-coils arranged lying opposite one another, which are both penetrated by the frame coil. The combination of the first and second antenna systems exhibits a circularly polarizing characteristic in a volume that lies inside the frame coil and outside the subcoils.

REFERENCES:
patent: 4721913 (1988-01-01), Hyde et al.
patent: 5057777 (1991-10-01), Kurczewski
patent: 5144241 (1992-09-01), Oppelt et al.
patent: 5153517 (1992-10-01), Oppelt et al.

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