ALLOY FOR R-T-B-BASED RARE EARTH SINTERED MAGNET, PROCESS OF PRODUCING ALLOY FOR R-T-B-BASED RARE EARTH SINTERED MAGNET, ALLOY MATERIAL FOR R-T-B-BASED RARE EARTH SINTERED MAGNET, R-T-B-BASED RARE EARTH SINTERED MAGNET, PROCESS OF PRODUCING R-T-B-BASED RARE EARTH SINTERED MAGNET, AND MOTOR

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United States of America Patent

SERIAL NO

15219110

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Abstract

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An alloy for R-T-B-based rare earth sintered magnets which contains R which is a rare earth element; T which is a transition metal essentially containing Fe; a metallic element M containing one or more metals selected from Al, Ga and Cu; B and inevitable impurities, in which R accounts for 13 at % to 15 at %, B accounts for 4.5 at % to 6.2 at %, M accounts for 0.1 at % to 2.4 at %, T accounts for balance, a proportion of Dy in all rare earth elements is in a range of 0 at % to 65 at %, and the following Formula 1 is satisfied,

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Patent Owner(s)

Patent OwnerAddress
TDK CORPORATION2-5-1 NIHONBASHI CHUO-KU TOKYO 103-6128

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
NAKAJIMA, Kenichiro Chichibu-shi, JP 53 823
YAMAZAKI, Takashi Chichibu-shi, JP 269 2153

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