Protective overcoat layer of carbon and a selected transition metal
US8760980B2 · kind B2 · utility
9Cited by
18References
18Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 26, 2013 |
| Grant date | Jun 24, 2014 |
| Priority date | — |
| Expiry date | Feb 26, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1164
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Apparatus for recording data and method for making the same. In accordance with some embodiments, a magnetic recording layer is adapted to store data along perpendicular magnetic domains. A protective overcoat layer is formed on the magnetic recording layer to substantially protect the magnetic recording layer from environmental effects. The protective overcoat layer is made of carbon intermixed with at least one transition metal, such as but not limited to chromium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.