Rare earth-iron-boron-permanent magnets
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United States of America Patent
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Aug 28, 1990
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app pub date -
Jun 3, 1988
filing date -
Jun 14, 1985
priority date (Note) -
Expired
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Abstract
Permanent magnets are prepared by a method comprising mixing a particulate rare earth-iron-boron alloy with a particulate rare earth oxide, aligning the magnetic domains of the mixture, compacting the aligned mixture to form a shape, and sintering the compacted shape.
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