Nuclear magnetic resonance spectrometer
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United States of America Patent
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Dec 22, 1992
Grant Date -
N/A
app pub date -
Nov 6, 1990
filing date -
Nov 8, 1989
priority date (Note) -
Expired
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Abstract
A nuclear magnetic resonance spectrometer, in particular a nuclear spin tomograph serving to investigate biological samples, comprising a magnetic coil for generating a substantially homogeneous magnetic field in a volume under examination, and a set of shim coils for eliminating any remaining inhomogeneities of the magnetic field is characterized in that at least one additional electric conductor, preferably an additional shim coil, is provided which may be arranged in the volume under examination, in the direct vicinity of the sample, that the additional conductor is designed in such a way that it will generate an inhomogeneous magnetic field when loaded with current, and that it can be loaded with currents of a type generating inhomogeneous magnetic fields which will eliminate, at least partially, and in a selected area in the sample, local field inhomogeneities resulting from susceptibility variations within the sample, for example. This enables the accuracy of the spectroscopy results to be improved.
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- 15 United States
- 10 France
- 8 Japan
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Patent Owner(s)
- BRUKER BIOSPIN GMBH
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Knuttel, Bertold | Rheinstetten-Morsch, DE | 12 | 233 |
Muller, Wolfgang H | Karlsruhe, DE | 4 | 79 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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