Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1988-10-03
1989-09-05
Levy, Stewart J.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
335216, G01R 3320
Patent
active
048642401
ABSTRACT:
A magnet system (1) for a nuclear magnetic resonance (NMR) imaging apparatus comprising a magnetic core arrangement (7, 13, 15) shaped to provide two or more discrete gaps (3, 5) of different sizes in which objects to be imaged may be placed, the magnetic field across each gap being produced by a single drive coil arrangement (9) associated with the core arrangement. A system providing gaps of different sizes, for different types of NMR examination is thus provided at relatively low cost compared with using a separate magnet system for each type of examination.
REFERENCES:
patent: 2720625 (1955-10-01), Leete
patent: 3379979 (1968-04-01), Aske
Gurin Timothy B.
Levy Stewart J.
O'Shea Kevin D.
Picker International Ltd.
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