Ferrite magnet

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United States of America Patent

PATENT NO 11417447
APP PUB NO 20190206594A1
SERIAL NO

16302751

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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This ferrite magnet has a ferrite phase having a magnetoplumbite structure, and an orthoferrite phase, and is characterized in that the composition ratios of the total of each metal element A, R, Fe and Me is represented by expression (1) A1-xRx(Fe12-yMey)z, (in expression (1), A is at least one element selected from Sr, Ba, Ca and Pb; R is at least one element selected from the rare-earth elements (including Y) and Bi, and includes at least La, and Me is Co, or Co and Zn) and in that the content (m) of the orthoferrite phase is 0

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Patent Owner(s)

  • 501 TDK CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagaoka, Junnichi Tokyo, JP 6 8
Taguchi, Hitoshi Tokyo, JP 31 317

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