Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Reexamination Certificate
2006-10-10
2006-10-10
Arana, Lóuis M. (Department: 2859)
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
C324S322000, C600S422000
Reexamination Certificate
active
07119541
ABSTRACT:
A multiply-tuned volume resonator comprises a generally cylindrical birdcage comprising a pair of end rings and generally parallel column elements bridging the end rings at generally equal circumferentially spaced locations. The column elements carry at least two distinct-valued, alternating impedance components. A plurality of capacitors is disposed on the end rings. Each capacitor is positioned between a pair of adjacent column elements. The capacitors on the end rings are tuned to the resonant frequency associated with a low frequency paramagnetic nuclei and the impedance components on the column elements are tuned to the resonant frequency associated with at least one high frequency paramagnetic nuclei. Direct drives are provided for high frequency and low frequency sections of the volume resonator.
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Arana Lóuis M.
Baker & Daniels
XLR Imaging Inc.
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