Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1984-04-25
1986-05-27
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
336197, G01R 3320, H01F 2730
Patent
active
045917906
ABSTRACT:
Disclosed is a diagnostic nuclear magnetic resonance apparatus which comprises a pair of coil units having substantially the same construction and a base bearing the coil units. Each coil unit includes a large coil, a small coil, and a frame structure fixing the large and small coils so that the axes of the two coils are in alignment with each other. In the frame structure, a pair of frames, each consisting of four frame members fixed at right angles at each end portion, are arranged at a suitable space. The small coil is removably attached to one of the frames. The large coil is disposed between and fixed to the two frames. The two coil units are joined together so that their respective large coils adjoin each other, and the two frame structures are fixed to each other by means of bolts and nuts. Also, the frame structures are fixed to the base by means of bolts and nuts. The coil units and the base can be separated from one another when transferring and carrying the apparatus.
REFERENCES:
patent: 4398150 (1983-08-01), Barjhoux et al.
patent: 4468621 (1984-08-01), Hinshaw
patent: 4509011 (1985-04-01), Sugimoto et al.
Partain et al., "Nuclear Magnetic Resonance NMR Imaging," Chapter 18, pp. 250-252, (W. B. Sanders Co. 1983).
Eisenzopf Reinhard J.
Kabushiki Kaisha Toshiba
O'Shea Kevin D.
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