Phase-change optical recording media
US7510753B2 · kind B2 · utility
1Cited by
15References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2005 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Feb 26, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2007/25715
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A Phase-change optical recording media includes a recording film that causes reversible phase-change between a crystalline phase and an amorphous phase on irradiation with light, and an interface film formed in contact with at least one surface of the recording film and containing Hf (hafnium), O (oxygen) and N (nitrogen).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.