Process for the production of neodymium-iron-boron permanent magnet alloy powder
US6855186B2 · kind B2 · utility
2Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2003 |
| Grant date | Feb 15, 2005 |
| Priority date | — |
| Expiry date | Mar 20, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F1/0573
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to an improved process for the production of neodymium-iron-boron permanent magnet alloy powder. The neodymium-iron-boron alloy prepared by the process of the present invention can be processed further to get anisotropic permanent magnets, bonded as well as sintered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.