Electricity: measuring and testing – Particle precession resonance – Using an electron resonance spectrometer system
Patent
1988-04-26
1989-07-11
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Particle precession resonance
Using an electron resonance spectrometer system
324586, 324262, G01V 300, G01R 3300, G01R 2704
Patent
active
048475610
ABSTRACT:
This invention involves resonance enhancement of signals obtained from magnetic specimen undergoing changes in magnetic state. This is accomplished by placing the sample, magnetized by a quasi-static magnetic field, in a high frequency resonant cavity. By adjusting the resonance frequency of the sample-containing cavity so that it is resonant at a d.c. field corresponding to domain wall motion or domain rotation, clear signals can be obtained from the sample.
REFERENCES:
patent: 3691453 (1972-09-01), Rupp, Jr. et al.
Eisenzopf Reinhard J.
Snow Walter E.
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