Rare earth magnet and method therefor

Details Rare earth magnet and method therefor Rare earth magnet and method therefor

2004-12-21

2009-10-27

Sheehan, John P. (Department: 1793)

Metal treatment

Stock

Magnetic

C148S301000, C148S122000, C148S101000, C148S105000

Reexamination Certificate

active

07608153

ABSTRACT:
A rare earth magnet includes rare earth magnet particles; and amorphous and/or crystalline terbium oxide present at the boundary of the rare earth magnet particles and represented by the formula: TbOn, wherein 1.5<n≦2. The rare earth magnet prevents decrease eddy current effectively.

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Machine translation of Japanese Patent Publication 2000-082610, Mar. 21, 2000.
Machine translation of Japanese Patent Publicaion No. 2002-064010, Feb. 2, 2002.

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