High-frequency antenna system of a device for nuclear magnetic r

Details High-frequency antenna system of a device for nuclear magnetic r High-frequency antenna system of a device for nuclear magnetic r

1996-04-26

1997-07-08

Arana, Louis M.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324322, G01V 300

Patent

active

056465319

ABSTRACT:
The HF antenna system of a nuclear resonance device includes a plurality of antenna elements arranged one behind another in the direction of a longitudinal axis of the system, that are mutually at least largely magnetically decoupled and each connected to a transmitting and/or receiving device. To improve the axial field profile, the antenna elements are each cage-shaped with two end-located conductor rings, between which a plurality of conductor pieces extend at least approximately parallel to the longitudinal axis. Preferably the antenna system is composed of three or five antenna elements.

REFERENCES:
patent: 4506224 (1985-03-01), Krause
patent: 4799016 (1989-01-01), Rezvani
patent: 5216368 (1993-06-01), Leussler
patent: 5543711 (1996-08-01), Srinivasan et al.
W. Duerr et al. "Hochfrequenzsysteme fur dir Kernspintomografie", ntzArchiv, vol. 11,5 (1989), pp. 237-243.

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