Method of manufacturing flakes from a magnetic material having a preferred crystallite orientation, flakes and magnets manufactured therefrom
US4810309A · kind A · utility
3Cited by
0References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 1987 |
| Grant date | Mar 7, 1989 |
| Priority date | — |
| Expiry date | Sep 11, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12431
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of manufacturing flakes from hard magnetic material having a preferred orientation of crystallites is described, in which the cooling rate of a molten alloy which comprises a rare earth metal, iron and/or cobalt and boron is chosen to be so that the flakes have an average length of 10 mm and a thickness of between 10 and 70 .mu.m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.