Compact open NMR systems for in situ measurement of moisture, salinity, and hydrocarbons
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United States of America Patent
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Mar 10, 1992
Grant Date -
N/A
app pub date -
May 14, 1990
filing date -
May 14, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nuclear magnetic resonance device has a hollow cylindrical magnet that forms a void. The magnet has a plurality of south poles and an equal plurality of north poles, the poles being dimensioned and disposed on the magnet to establish a toroidal zone external to the magnet wherein the field of the magnet is of substantially constant strength. A solenoidal antenna is positioned within the void of the magnet. Electrical insulating material is positioned to cover the bases of the combined cylindrical structure and may also be disposed between the antenna and the magnet. Associated electronic power, signal processing, and indicating equipment may then be mounted adjacent the electrical insulator and the entire assembly contained in a suitable housing.
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