Samarium-cobalt type magnet powder for resin magnet
US4664723A · kind A · utility
6Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 1985 |
| Grant date | May 12, 1987 |
| Priority date | — |
| Expiry date | Nov 8, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F1/0558
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention is directed to a samarium-cobalt type magnetic powder for use in making a resin magnet, characterized by substantially comprising a SmCo.sub.5 single phase and consisting of, by weight, 32.7 to 33.4% samarium, 65 to 67% cobalt, not more than 1.5% as a total of lanthanum, cerium, praseodymium and neodymium and the balance inevitably entrained impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.