Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1998-04-01
2000-04-25
Oda, Christine K.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
324322, 324309, 600407, G01V 300
Patent
active
060548568
ABSTRACT:
A noise immune gradiometer split shield coil for use in magnetic resonance etection, such as in Nuclear Magnetic Resonance (NMR) and Nuclear Quadrupole Resonance (NQR). The coil is formed by a transmission line configured as a magnetic field gradiometer. The transmission line has a conductor which is electrically continuous through the coil, and a shield which is split at a position that causes the gradiometer to be electrically balanced. In this manner, the coil provides a high degree of internal shielding to reduce the effects of environmental noise pick-up. Such coils are also less sensitive to the effects of nearby conducting media.
REFERENCES:
patent: 4079730 (1978-03-01), Wikswo et al.
patent: 4816766 (1989-03-01), Zabel et al.
Garroway Allen N.
Miller Joel B.
Suits Bryan H.
Edelberg Barry A.
Karasek John J.
Oda Christine K.
Shrivastav Brij B.
The United States of America as represented by the Secretary of
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