Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1988-08-03
1990-02-06
Williams, Hezron E.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
G01R 3320
Patent
active
048991112
ABSTRACT:
An improved NMR probe and method are described which substantially improve the resolution of NMR measurements made on powdered or amorphous or otherwise orientationally disordered samples. The apparatus mechanically varies the orientation of the sample such that the time average of two or more sets of spherical harmonic functions are zero.
REFERENCES:
patent: 4301410 (1981-11-01), Wind et al.
patent: 4352066 (1982-09-01), Kendrick et al.
patent: 4511841 (1985-04-01), Bartuska et al.
Azevedo, L. J., "Rotating Sample Holder Without Mechanical Linkages", Rev. Sci. Instrum, 50(2), Feb. 1979.
Pines Alexander
Samoson Ago
O'Shea Kevin D.
The Regents of the University of California
Williams Hezron E.
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