Magnetic resonance apparatus with a decoupling detection surface

Details Magnetic resonance apparatus with a decoupling detection surface Magnetic resonance apparatus with a decoupling detection surface

1988-08-12

1989-06-13

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

G01N 2402

Patent

active

048395951

ABSTRACT:
A surface coil used as a measuring coil in a magnetic resonance apparatus is divided into at least two coil portions having opposite directions of winding and enclosing two identical surface areas. An induction current generated in a coil portion by a transmission field is then always compensated for by a current generated in the other coil portion. When one or more of such butterfly coils are used no circuits to block interfering signals need be built into the electronic measuring circuit and the transmission field is not disturbed by the measuring coil.

REFERENCES:
patent: 2550668 (1951-05-01), Gossick
patent: 4398149 (1983-08-01), Zens
patent: 4602234 (1986-07-01), Butson
patent: 4658229 (1987-04-01), Chen et al.
patent: 4724389 (1988-02-01), Hyde et al.
patent: 4725779 (1988-02-01), Hyde et al.

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