Optical recording medium
US7485356B2 · kind B2 · utility
3Cited by
1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2005 |
| Grant date | Feb 3, 2009 |
| Priority date | — |
| Expiry date | Nov 13, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2007/24314
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical recording medium includes an information layer having a recording film. The recording film contains Sb of 79 atomic % to 95 atomic % and Ge of 5 atomic % to 21 atomic % as main components, and is formed of a phase change material which does not contain the elements in the sixteenth group of the periodic table.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.