RARE-EARTH PERMANENT MAGNET
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United States of America
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Issued Date -
Jan 16, 2020
app pub date -
Nov 30, 2017
filing date -
Nov 30, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
To provide a rare earth permanent magnet having as a main phase a compound with a Nd5Fe17 crystalline structure having strong coercive force. A rare earth permanent magnet having as a main phase a compound with a Nd5Fe17 crystalline structure, wherein when the composition ratio of the rare earth permanent magnet is expressed as RaT(100-a-b)Cb, where R is one or more rare earth elements requiring Sm, and T is one or more transition metal elements requiring Fe or Fe and Co, a and b satisfy 18
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