Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1987-03-26
1988-04-12
Levy, Stewart J.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
324318, G01R 3320
Patent
active
047377178
ABSTRACT:
Apparatus for substantially reducing field-strength non-uniformities in the bore of a magnet, comprising, a main field producing means for developing a main magnetic field in the bore which is subject to at least one field-strength non-uniformity, a liner of substantially non-magnetic material adapted to be positioned within the bore and having associated therewith at least one channel dimensioned for transporting magnetic material therethrough, and means for introducing and positioning magnetic material within the channel so as to substantially reduce the field strength of the non-uniformity within the bore.
REFERENCES:
patent: 3423670 (1969-01-01), Parker et al.
patent: 3564398 (1971-02-01), Nelson
patent: 3750067 (1973-07-01), Fletcher et al.
patent: 4425547 (1984-01-01), Sugimoto
patent: 4590452 (1986-05-01), Ries et al.
patent: 4631481 (1986-12-01), Young et al.
Article by Von H. Morneburg entitled "Gesichtspunkte Bei Der Standortsuche Und Planung Fur Ein Magnetom" in 2332 Electro Medica (Siemens), vol. 51 (1983), No. 2, Erlangen, Deutschland, pp. 65-72.
Edelman Lawrence C.
Levy Stewart J.
O'Shea Kevin D.
Siemens Medical Systems Inc.
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