Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1987-08-14
1988-11-08
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
335216, G01R 3320
Patent
active
047836288
ABSTRACT:
A unitary superconducting electromagnet (10) especially adapted for use in medical or test apparatus with nuclear magnetic resonance (NMR) and spectroscopy at intensities above the magnetic saturation of iron so high as around ten (10) Tesla. The electromagnet (10) includes an inner generally cylindrical body (12) having a central bore (14) and an outer magnetic iron body (16) positioned concentrically about the inner body (12). One embodiment of the electromagnet (10) has adjusting blocks (110) secured to the inner body (12) for movement of the inner body (12) radially and longitudinally of the outer body (16) for precise positioning. Another embodiment shown in FIGS. 16-18 illustrates a small bore electromagnet (10A) having the inner body (12A) fixed relative to outer magnetic iron body (16A) with the outer body (16A) being exposed to the cooling fluid.
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Houston Area Research Center
Tokar Michael J.
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