Coplanar RF probe coil arrangement for multifrequency excitation
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United States of America Patent
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Mar 13, 2001
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N/A
app pub date -
Nov 7, 1997
filing date -
Nov 7, 1997
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Abstract
The present invention provides apparatus for utilizing planar HTS probe coils in substantially coplanar coil sets, each set comprised of a plurality of coils, two such similar sets being positioned on opposite sides of the sample to form a plurality of coil pairs. The coil pairs may be used for excitation of the sample, for receiving the NMR response signal or for both. A feature of the invention is the ability afforded to adjust the coupling between coil pairs to a minimum value to thereby prevent interaction between coil pairs having simultaneously applied high power signals and weak NMR response signals.
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