Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1996-02-01
1997-11-04
Arana, Louis M.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
324321, G01V 300
Patent
active
056844018
ABSTRACT:
An apparatus and method for compensation of magnetic susceptibility variation in NMR microspectroscopy detection microcoils. NMR detection microcoils are formed with side-by-side windings in order to approximate a uniform cylindrical sheet coil. The wire may have a thin layer of insulation in order to prevent shorting between adjacent turns, or (if the wire diameter is small enough) uninsulated wire may be wound with the adjacent turns touching without fear of shorting between coil turns. Additionally, a susceptibility matching medium, such as a perfluorinated hydrocarbon, may be placed around the microcoil to minimize susceptibility-induced variations in the B.sub.0 magnetic field.
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3M Product Literature, 3M Company.
Magin Richard L.
Olson Dean L.
Peck Timothy L.
Sweedler Jonathan V.
Webb Andrew G.
Arana Louis M.
Board of Trustees of the University of Illinois
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