NMR radio frequecny field coil with distributed current

Details NMR radio frequecny field coil with distributed current NMR radio frequecny field coil with distributed current

1987-08-13

1988-11-08

Nussbaum, Marvin L.

Wave transmission lines and networks

Resonators

333227, 333245, 324318, 324322, H01P 700, G01R 3320

Patent

active

047836415

ABSTRACT:
A uniform surface current density is approximated in an RF transmitting/receiving NMR coil by employing a plurality of discrete conductors having a resonantly distributed current. Inductive and capacitive lines provide a sinusoidal current distribution with various resonant modes providing different magnetic field orientations. The distributed current reduces losses. In a second order resonant mode, decoupling of the surface coil from a transmit coil is achieved without a blocking network.

REFERENCES:
patent: 4638253 (1987-01-01), Jaskolski et al.
patent: 4694255 (1987-09-01), Hayes
patent: 4720680 (1988-01-01), Nishihara et al.
patent: 4740752 (1988-04-01), Arakawa et al.

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