Method of producing anisotropic ferrite magnet
US4057606A · kind A · utility
9Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1975 |
| Grant date | Nov 8, 1977 |
| Priority date | — |
| Expiry date | Sep 25, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/58
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method is provided which comprises preparing pulverized ferrite having a magnetoplumbite type crystal structure of hexagonal system, mixing and kneading the ferrite with a viscous binding agent, subjecting the mixture to rolling to form a sheet-like mass with the easy axis being orientated in the direction perpendicular to the plane of the ferrite sheet by making use of anisotropic configuration of the crystal grains of the pulverized ferrite, rolling the sheet-like mass into a desired shape, and sintering and magnetizing the shaped ferrite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.