Magnetic recording media and magnetic recording system
US8687309B2 · kind B2 · utility
1Cited by
0References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 8, 2011 |
| Grant date | Apr 1, 2014 |
| Priority date | — |
| Expiry date | Feb 17, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/7257
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This invention provides a magnetic recording medium excellent in terms of corrosion resistance. The magnetic recording medium comprises a magnetic recording layer, a protective layer and a lubricant layer provided on a nonmagnetic substrate, and the lubricant layer comprises a compound having a heterocyclic ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.