METHOD FOR MANUFACTURING R-T-B SINTERED MAGNET

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United States of America Patent

SERIAL NO

15549689

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Abstract

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[Problem] There is provided a method of producing a sintered R-T-B based magnet in which even the intergranular grain boundaries in the magnet interior can be made thick, which does not allow coercivity improvement effects to be significantly undermined even after a surface grinding, and which has high coercivity without the use of heavy rare-earth elements.

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Patent Owner(s)

Patent OwnerAddress
HITACHI METALS LTD2-1 SHIBAURA 1-CHOME MINATO-KU TOKYO 105-8614

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
NISHIUCHI, Takeshi Mishima-gun, JP 47 291
NOZAWA, Noriyuki Mishima-gun, JP 13 63
SHIGEMOTO, Yasutaka Mishima-gun, JP 10 62

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