Soft magnetic metal powder and soft magnetic metal powder core using the same

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United States of America Patent

PATENT NO 9779861
APP PUB NO 20150332821A1
SERIAL NO

14712313

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a soft magnetic metal powder which contains B and has Fe and Ni as the main components, wherein the content of Ni in the soft magnetic metal powder is 30 to 80 mass %, the total content of Fe and Ni in the soft magnetic metal powder is 90 mass % or more, the content of B inside the metal particle of the soft magnetic metal powder is 10 to 150 ppm, and the particle has a film of boron nitride on the surface. The present invention also relates to a soft magnetic metal powder core prepared by using the soft magnetic metal powder.

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Patent Owner(s)

  • TDK CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Itoh, Hideyuki Tokyo, JP 16 48
Kuroda, Tomofumi Tokyo, JP 20 64
Sakurai, Yu Tokyo, JP 18 39

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