Opto-magnetic recording medium
US4675767A · kind A · utility
13Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1984 |
| Grant date | Jun 23, 1987 |
| Priority date | — |
| Expiry date | Dec 7, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B11/10586
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is disclosed a magnetooptical recording medium, which is provided with a recording layer composed of a magnetic layer having an easy axis of magnetization perpendicular to the surface of recording layer, and a reflective layer positioned adjacent to the recording layer and composed of a mixture of a substance of a low absorbance to the light of a determined wavelength and a substance of a high reflectivity to the above-mentioned light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.