Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Reexamination Certificate
2006-08-22
2006-08-22
Shrivastav, Brij B. (Department: 2859)
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
C324S318000
Reexamination Certificate
active
07095230
ABSTRACT:
In a unilateral NMR probe for the analysis of a material comprising at least one magnet for generating a constant time-invariant polarization field B0in the material to be analyzed and current conductors forming a radio frequency oscillation circuit for generating a pulsed radio frequency magnetic excitation field B1which is superimposed on the polarization field N0in the material, the circuit conductors are so designed as to provide several adjacent excitation fields B0with alternatingly oppositely oriented magnetic fields, whereby the current conductors generating each one of the excitation fields have a distance from each other which causes a certain penetration depth in the material to be analyzed and echoes received therefrom provide measurement values which are characteristic for the material being analyzed.
REFERENCES:
patent: 4466287 (1984-08-01), Repplinger et al.
patent: 6657433 (2003-12-01), Locatelli et al.
patent: 6833704 (2004-12-01), Murphy et al.
patent: 2002/0084783 (2002-07-01), Blumich et al.
patent: 2002/0089330 (2002-07-01), Blumich et al.
Anferov Vladimir
Anferova Sophia
Blümich Bernhard
Bruder Michael
Fechete Radu
Bach Klaus J.
Blumich Bernhard
Shrivastav Brij B.
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