Magneto-optic information-carrying medium including three magnetic layers
US5016232A · kind A · utility
19Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1990 |
| Grant date | May 14, 1991 |
| Priority date | — |
| Expiry date | Mar 8, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/90
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magneto-optic information-carrying medium comprises three magnetic layers. A magnetic bias field is generated by a third layer which is premagnetized in the direction parallel to the thickness thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.