Optical recording medium and method for manufacturing the same
US8119215B2 · kind B2 · utility
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Key dates
| Filing date | Jan 24, 2008 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Dec 28, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/21
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A write-once type optical recording medium 10 has an inorganic recording film 2. The inorganic recording film 2 has an oxide film 2a containing an oxide of germanium (Ge) and an adjacent film 2b which contains titanium (Ti) and manganese (Mn) and is adjacent to the oxide film 2a.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.