Title:
TREATMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/008416
Kind Code:
A1
Abstract:
Disclosed is a treatment device equipped with: a diffusion part (10) which rotates while heating an R-T-B sintered magnet (1) and an RH diffusion source (2) comprising the metal or an alloy of a heavy rare-earth element (RH) (at least Dy or Tb); a separation part (20) in which the RH diffusion source (2) is selectively separated from the R-T-B sintered magnet (1) and RH diffusion source (2) which have been received from the diffusion part (10); and a heat treatment part (30) in which the R-T-B sintered magnet (1) into which the heavy rare-earth element (RH) has been diffused and from which the RH diffusion source (2) has been removed is heat-treated.
Inventors:
KUNIYOSHI Futoshi (HITACHI METALS LTD., 2-15-17, Egawa, Shimamoto-cho, Mishima-gu, Osaka 13, 〒6180013, JP)
國吉 太 (〒13 大阪府三島郡島本町江川２－１５－１７日立金属株式会社磁性材料研究所内 Osaka, 〒6180013, JP)
國吉 太 (〒13 大阪府三島郡島本町江川２－１５－１７日立金属株式会社磁性材料研究所内 Osaka, 〒6180013, JP)
Application Number:
JP2011/065804
Publication Date:
January 19, 2012
Filing Date:
July 11, 2011
Export Citation:
Assignee:
HITACHI METALS, LTD. (2-1 Shibaura 1-chome, Minato-ku Tokyo, 14, 〒1058614, JP)
日立金属株式会社 (〒14 東京都港区芝浦１丁目２－１ Tokyo, 〒1058614, JP)
KUNIYOSHI Futoshi (HITACHI METALS LTD., 2-15-17, Egawa, Shimamoto-cho, Mishima-gu, Osaka 13, 〒6180013, JP)
日立金属株式会社 (〒14 東京都港区芝浦１丁目２－１ Tokyo, 〒1058614, JP)
KUNIYOSHI Futoshi (HITACHI METALS LTD., 2-15-17, Egawa, Shimamoto-cho, Mishima-gu, Osaka 13, 〒6180013, JP)
International Classes:
H01F41/02; B22F3/24; C21D6/00; C22C38/00; F27B7/16; F27B7/22; F27B7/33; H01F1/053; H01F1/08
Attorney, Agent or Firm:
OKUDA Seiji (OKUDA & ASSOCIATES, 10th Floor Osaka Securities Exchange Bldg., 8-16, Kitahama 1-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
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Claims:
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