Electricity: measuring and testing – Particle precession resonance – Using a nuclear resonance spectrometer system
Patent
1988-07-13
1989-12-12
Noland, Tom
Electricity: measuring and testing
Particle precession resonance
Using a nuclear resonance spectrometer system
324307, G01R 3320
Patent
active
048870358
ABSTRACT:
A magnetic resonance spectroscopy system repeatedly performs operations of selectively exciting, using a 90.degree. pulse, first two regions which sandwich a local region therebetween in the direction of one of the X axis and y axis for a slice portion, subsequently erasing transverse magnetization components in the first two regions, selectively exciting, using a 90.degree. pulse, second two regions which sandwich the local region therebetween in the direction of the other of the x axis and y axis, subsequently erasing transverse magnetization components in the second two regions, exciting a region having one local region in the z-axis direction to acquire magnetic resonance data therefor, and exciting a region including another local region in the z-axis direction to acquire magnetic resonance data therefor within a repetition time.
REFERENCES:
patent: 4733186 (1988-03-01), Oppelt et al.
patent: 4737714 (1988-04-01), Hanawa
Kabushiki Kaisha Toshiba
Noland Tom
O'Shea Kevin D.
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