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US 2004/0000359 A1Published application
Rare earth magnet, method for manufacturing the same, and motor using rare earth magnet
AssigneeNissan Motor Co., Ltd.
InventorsTetsurou Tayu, Hideaki Ono, Munekatsu Shimada, Makoto Kano
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Abstract
A rare earth magnet comprises rare earth magnet particles and a rare earth oxide being present between the rare earth magnet particles. The rare earth oxide is represented by a following general formula (I): R2O3 (I) where R is any one of terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium.
Claims8
A rare earth magnet, comprising:
- rare earth magnet particles;
- and
- a rare earth oxide being present between the rare earth magnet particles, the rare earth oxide being represented by a following general formula (I):
- R2O3 (I)
- where R is any one of terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium.
2 more elements
A method of manufacturing a rare earth magnet, comprising:
- preparing a mixture including rare earth magnet powder and a rare earth oxide being represented by a following general formula (I):
- R2O3 (I)
- where R is any one of terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium;
- filling the mixture in a forming die;
- and
- forming the mixture.
3 more elements
A motor, comprising:
- a rare earth magnet including rare earth magnet particles and a rare earth oxide being present between the rare earth magnet particles, the rare earth oxide being represented by a following general formula (I):
- R2O3 (I)
- where R is any one of terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium.
Dependencies are inferred from the claim text.