Rare earth containing resin-bonded magnet and its production
US5190684A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 7, 1991 |
| Grant date | Mar 2, 1993 |
| Priority date | — |
| Expiry date | Jan 7, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F1/0578
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A resin bonded magnet which comprises a resinous binder and melt quenched magnetically isotropic ferromagnetic alloy particles having a coercive force of 8 to 12 KOe of the formula: Fe.sub.100-x-y-z Co.sub.x R.sub.y B.sub.z wherein R is at least one of Nd and Pr, x is an atomic % of not less than 15 and not more than 30, y is an atomic % of not less 10 and not more than 13 and z is an atomic % of not less than 5 and not more than 8; the ferromagnetic alloy particles uniformly dispersed in the binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.