Dual-layer carbon-based protective overcoats for recording media by filtered cathodic ARC deposition
US7175926B2 · kind B2 · utility
7Cited by
17References
20Claims
0Family size
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Key dates
| Filing date | Feb 12, 2004 |
| Grant date | Feb 13, 2007 |
| Priority date | — |
| Expiry date | Jul 1, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24992
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A recording medium, comprising:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.