Data storage device having a phase change memory medium reversible by direct overwrite
US4876667A · kind A · utility
70Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1987 |
| Grant date | Oct 24, 1989 |
| Priority date | — |
| Expiry date | Jun 22, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is an optical data storage device having a reversible, phase change data storage medium formed of (Sb.sub.2 Te.sub.3).sub.1-x (Sb.sub.2 Se.sub.3).sub.x, where x is from 0.18 to 0.43.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.