Magneto-optical recording medium and method of producing the same
US5109377A · kind A · utility
6Cited by
11References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 1989 |
| Grant date | Apr 28, 1992 |
| Priority date | — |
| Expiry date | Aug 22, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B11/10584
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magneto-optical recording medium has a substrate and a recording layer which is formed on the substrate. The recording layer is formed of a plurality of transition metal films and a plurality of rare earth metal films which are alternately formed one on the other, and at least a metal selected from the group consisting of Cr, Al and Ti is contained in the rare earth metal films or the transition metal films.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.