Hard magnetic material
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United States of America Patent
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May 22, 2001
Grant Date -
N/A
app pub date -
Dec 1, 1998
filing date -
Dec 2, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A hard magnetic material contains Co as a main component, at least one element Q of P, C, Si and B, and Sm, and an amorphous phase and a fine crystalline phase. The texture of the hard magnetic material contains 50% by volume or more of fine crystalline phase having an average crystal grain size of 100 nm or less, and has a mixed phase state containing a soft magnetic phase and a hard magnetic phase. Further, anisotropy is imparted to the crystal axis of the hard magnetic phase.
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