Samarium-iron-nitrogen based magnet powder and method of manufacturing same, and samarium-iron-nitrogen based magnet and method of manufacturing same

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United States of America Patent

PATENT NO 11798739
APP PUB NO 20210082605A1
SERIAL NO

17042443

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Abstract

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One embodiment of the present invention includes, in a samarium-iron-nitrogen based magnet powder, a main phase containing samarium and iron, and a sub-phase containing samarium, iron, and at least one or more elements selected from the group consisting of zirconium, molybdenum, vanadium, tungsten, and titanium, wherein an atomic ratio of a rare earth element to an iron group element is greater than an atomic ratio of the rare earth element to the iron group element of the main phase, wherein at least a part of a surface of the main phase is coated with the sub-phase.

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Patent Owner(s)

Patent OwnerAddress
TDK CORPORATIONTOKYO 103-6128

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Enokido, Yasushi Tokyo, JP 33 269
Hashimoto, Ryuji Tokyo, JP 70 362
Okada, Shusuke Aichi, JP 15 61
Takagi, Kenta Aichi, JP 16 14

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