Title:
希土類磁石密封体およびIPMモータの製造方法
Document Type and Number:
Japanese Patent JP4583048
Kind Code:
B2
Abstract:
It is an object of the present invention to provide a rare earth magnet that will not decompose due to hydrogen embrittlement when used in a hydrogen gas atmosphere, and furthermore, does not pose the risk of contaminating a reaction bath with the surface treated film of the magnet. The present invention provides a sealed rare earth magnet comprising: a rare earth magnet (2); and a case (4,5) of aluminum or aluminum alloy, wherein the case covers entirety of the rare earth magnet and is sealed by HIP; and the methods for manufacturing the same.
Inventors:
Koji Miyata
Application Number:
JP2004050980A
Publication Date:
November 17, 2010
Filing Date:
February 26, 2004
Export Citation:
Assignee:
Shin-Etsu Chemical Co., Ltd.
International Classes:
B22F3/24; H01F41/02; H01F7/02; H01F1/055; H01F1/057
Domestic Patent References:
| JP5337898A | ||||
| JP11151252A | ||||
| JP2001125638A | ||||
| JP6284610A | ||||
| JP63130280A | ||||
| JP1261806A | ||||
| JP2002208529A | ||||
| JP2003318013A |
Foreign References:
| WO1998031497A1 |
Attorney, Agent or Firm:
Shoichi Okuyama
Arihara Koichi
Matsushima Tetsuo
Hidefumi Kawamura
Arihara Koichi
Matsushima Tetsuo
Hidefumi Kawamura