NMR probe having an inner quadrature detection coil combined...

Details NMR probe having an inner quadrature detection coil combined... NMR probe having an inner quadrature detection coil combined...

2005-04-05

2005-04-05

Shrivastav, Brij B. (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

C324S322000

Reexamination Certificate

active

06876200

ABSTRACT:
A high resolution NMR probe having two or more resonators, an inner resonator which is closely coupled to a sample and is used to stimulate and receive a response from one nuclear species, and an outer resonator to induce transitions in another nuclear species, wherein the resonators may be provided with cooling capability and may be made of superconducting material, and wherein the inner resonator may be a saddle coil or a birdcage coil with capability of being tuned, and wherein the outer resonator may be one or more spiral wound saddle coil.

REFERENCES:
patent: 4694255 (1987-09-01), Hayes
patent: 5433717 (1995-07-01), Rubinsky et al.
patent: 5594342 (1997-01-01), Brey et al.
patent: 5646531 (1997-07-01), Renz
patent: 6100694 (2000-08-01), Wong
patent: 6420871 (2002-07-01), Wong et al.
Article by Chen et al., entitled “Quadrature Detection Coils-A Further Improvement in Sensitivity”, published by Journal of Magnetic Resonance, vol. 54, pp. 324-327 (1983).
Article by Pimmel et al., entitled “A Hybrid Bird Cage Resonator for Solim Observation at 4.7.T”, published by Magnetic Resonance in Medicine, vol. 24, pp. 158-162 (1992).
Article by Su et al., entitled “A New Miniaturizable Birdcage Resonator Design With Improved Electric-Field Characteristics”, published by Journal of Magnetic Resonance, Series B 110, pp. 210-212 (1996).
Article by Crozier et al.,entitled “Optimized Small-Bore, High-Pass Resonator Designs”, published by Journal of Magnetic Resonace, Series B109, pp. 1-11 (1995).
Article by Rath, Alan R., entitled “Design and Performance of a Double-Tuned Bird-Cage Coil”, published by Journal of Magnetic Resonance, vol. 86, pp. 488-495 (1990).
Article by Wong, W.H. et al., entitled “5mm Birdcage Coils for Micro-Imaging Applications”, Poster 171, 41st ENC, Apr. 2000.

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