Title:
電磁装置用永久磁石及び製造方法
Document Type and Number:
Japanese Patent JP2005500683
Kind Code:
A
Abstract:
Permanent magnets, devices including permanent magnets and methods for manufacture are described with the permanent magnet comprising, for example: iron-boron-rare earth alloy particulate having an intrinsic coercive force of at least about 1591 kiloamperes/meter (about 20 kiloOersteds) and a residual magnetization of at least about 0.8 tesla (about 8 kiloGauss), wherein the rare earth content comprises praseodymium, a light rare earth element selected from the group consisting of cerium, lanthanum, yttrium and mixtures thereof, and balance neodymium; and a binder bonding the particulate.
Inventors:
Carl, Ralph James, Junior
Climan, Gerald Burt
Shy, Juliana Chan
Benz, Mark Gilbert
Marte, Judson Sloan
Climan, Gerald Burt
Shy, Juliana Chan
Benz, Mark Gilbert
Marte, Judson Sloan
Application Number:
JP2003522111A
Publication Date:
January 06, 2005
Filing Date:
August 12, 2002
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
B22F9/04; B22F1/00; B22F3/00; C22C28/00; C22C38/00; H01F1/053; H01F1/057; H01F1/06; H01F41/02; H02K15/03; (IPC1-7): H01F1/06; B22F1/00; B22F3/00; B22F9/04; C22C38/00; H01F1/053; H01F41/02; H02K15/03
Attorney, Agent or Firm:
Kenichi Matsumoto
Hirokazu Ogura
Nobukazu Ito
Toshihisa Kurokawa
Hirokazu Ogura
Nobukazu Ito
Toshihisa Kurokawa