希土類磁石およびその製造方法 - Toyota Central R & D Labs.

Title:

希土類磁石およびその製造方法

Document Type and Number:

Japanese Patent JP5284394

Kind Code:

B2

Abstract:

A process for producing a rare earth magnet comprises: an adhesion step of causing a diffusion element capable of diffusing inwardly to adhere to the surface part of a magnet material comprising a compact or sintered body of rare earth alloy particles; and an evaporation step of heating the magnet material in vacuum to evaporate at least a portion of the diffusion element having been retained on or in the surface part of the magnet material.

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Inventors:

Yuji Kaneko
Takao Yukio
Motoki Hiraoka
Satoshi Kaneda

Application Number:

JP2011052376A

Publication Date:

September 11, 2013

Filing Date:

March 10, 2011

Export Citation:

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Assignee:

Toyota Central R & D Labs.
TOYOTA JIDOSHA KABUSHIKI KAISHA

International Classes:

H01F41/02; B22F3/24; C22C33/02; C23C10/28; H01F1/057; H01F1/08

Domestic Patent References:

JP2009043776A
JP2009200179A
JP2009135393A

Foreign References:

WO2006112403A1
WO2007102391A1
WO2006305034A1

Attorney, Agent or Firm:

Morioka Masayuki
Sansui International Patent Office

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