Squid detected NMR and MRI at ultralow fields

Electricity: measuring and testing – Particle precession resonance

Reexamination Certificate

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C324S306000, C600S421000

Reexamination Certificate

active

11534757

ABSTRACT:
Nuclear magnetic resonance (NMR) signals are detected in microtesla fields. Prepolarization in millitesla fields is followed by detection with an untuned dc superconducting quantum interference device (SQUID) magnetometer. Because the sensitivity of the SQUID is frequency independent, both signal-to-noise ratio (SNR) and spectral resolution are enhanced by detecting the NMR signal in extremely low magnetic fields, where the NMR lines become very narrow even for grossly inhomogeneous measurement fields. MRI in ultralow magnetic field is based on the NMR at ultralow fields. Gradient magnetic fields are applied, and images are constructed from the detected NMR signals.

REFERENCES:
patent: 5254950 (1993-10-01), Fan et al.
patent: 5343147 (1994-08-01), Sager et al.
patent: 6031373 (2000-02-01), Szeles et al.
patent: 6159444 (2000-12-01), Schlenga et al.
patent: 6815949 (2004-11-01), Kandori et al.
patent: 6885192 (2005-04-01), Clarke et al.
patent: 7053610 (2006-05-01), Clarke et al.
patent: 7116102 (2006-10-01), Clarke et al.

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