Silver-reactive metal alloys for optical data storage and recordable storage media containing same
US7033730B2 · kind B2 · utility
2Cited by
11References
10Claims
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Key dates
| Filing date | Jun 26, 2003 |
| Grant date | Apr 25, 2006 |
| Priority date | — |
| Expiry date | Nov 4, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical data recording and storage medium that includes a reflective layer formed from a silver alloy that contains, in addition to silver, about 0.2 to about 1.0 wt. %, based on the total weight of alloy, of samarium (Sm), about 0.2 to about 2.0 wt. % of copper (Cu), about 0.1 to about 0.3 wt. % of titanium (Ti), and about 0.2 to about 0.8 wt .% of manganese (Mn).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.