Magnetic recording media with discrete tracks of magnetic material in a magnetically soft underlayer
US7394622B2 · kind B2 · utility
10Cited by
8References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2004 |
| Grant date | Jul 1, 2008 |
| Priority date | — |
| Expiry date | Jul 27, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/855
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium comprises a magnetically soft underlayer having a plurality of cavities in a surface thereof, and a magnetic recording material in the cavities, wherein a surface of the magnetic recording material in the cavities is substantially coplanar with the surface of the soft underlayer. A recording system that includes the recording medium is also included.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.