Permanent Magnet Structures for the Production of Transverse Helical Fields.
Patent Application, Filed 26 Oct 87,
DEPARTMENT OF THE ARMY WASHINGTON DC
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Permanent magnet structures in several alternative forms are fabricated from multiplicities of permanent magnet segments of magnetic materials, preferably rare earth compounds, with the segments displaced radially from each other progressively along the structures elongate axes so as to produce a heliform magnetic field extending centrally in a passage through the structure.
- Electrical and Electronic Equipment
- Electricity and Magnetism