Information recording medium
US7393574B2 · kind B2 · utility
0Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2005 |
| Grant date | Jul 1, 2008 |
| Priority date | — |
| Expiry date | Jun 1, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/21
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In an information recording medium, a Bi—Ge—Te material is adopted as a phase-change recording layer material. A C—Ta—O material is used for at least any one of first and second boundary layers which are in contact with a recording layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.