Method for the preparation of optical recording media containing uniform partially oxidized metal layer
US5302493A · kind A · utility
6Cited by
18References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1992 |
| Grant date | Apr 12, 1994 |
| Priority date | — |
| Expiry date | Jun 30, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/165
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical memory storage medium based on a partially oxidized deposited layer of soft metal alloy is described. A method of preparing the medium by vacuum depositing the soft metal alloy layer in the presence of controlled amounts of gaseous oxidant to thereby form the layer in a uniform partially oxidized form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.