Ferrite sintered magnet and rotating electric machine comprising the same

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United States of America Patent

PATENT NO 11610705
APP PUB NO 20200312493A1
SERIAL NO

16823871

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Abstract

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A ferrite sintered magnet comprising an M type Sr ferrite having a hexagonal structure as a main phase, wherein the ferrite sintered magnet does not substantially comprise a rare earth element and Co, a content of B is 0.005 to 0.9% by mass in terms of B2O3, and a content of Zn is 0.01 to 1.2% by mass in terms of ZnO.

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Patent OwnerAddress
TDK CORPORATIONTOKYO 103-6128

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ikeda, Masanori Tokyo, JP 87 451
Morita, Hiroyuki Tokyo, JP 116 1035
Murakawa, Yoshitaka Tokyo, JP 32 367
Muroya, Shogo Tokyo, JP 14 11

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