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 (JP)
NAKAYAMA SHOHJI (JP)
NAKAYAMA SHOHJI (JP)
Application Number:
PCT/JP2011/065804
Publication Date:
January 19, 2012
Filing Date:
July 11, 2011
Export Citation:
Assignee:
HITACHI METALS LTD (JP)
KUNIYOSHI FUTOSHI (JP)
NAKAYAMA SHOHJI (JP)
KUNIYOSHI FUTOSHI (JP)
NAKAYAMA SHOHJI (JP)
International Classes:
H01F41/02; B22F3/24; C21D6/00; C22C38/00; F27B7/16; F27B7/22; F27B7/33; H01F1/053; H01F1/08
Domestic Patent References:
| WO2007102391A1 | 2007-09-13 | |||
| WO2011007758A1 | 2011-01-20 |
Foreign References:
| JP2004296973A | 2004-10-21 | |||
| JP2009194262A | 2009-08-27 | |||
| JPH05138053A | 1993-06-01 |
Attorney, Agent or Firm:
OKUDA SEIJI (JP)
Seiji Okuda (JP)
Seiji Okuda (JP)
Download PDF:
Claims:
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