Optical information recording medium and method of manufacturing the same
US6607869B1 · kind B1 · utility
9Cited by
11References
26Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 10, 1998 |
| Grant date | Aug 19, 2003 |
| Priority date | — |
| Expiry date | Jul 10, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical information recording medium having a recording layer for inducing a reversible phase change by irradiation with energy beam. The recording layer contains Te, Ge, Sb, and N, and the concentration of the N being contained is in a range of about 0.1% by atom to about 10% by atom. In this constitution, an excellent repeated recording and erasing performance is obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.