Magnetic recording media, method of manufacturing the same and magnetic recording apparatus
US7388725B2 · kind B2 · utility
9Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2005 |
| Grant date | Jun 17, 2008 |
| Priority date | — |
| Expiry date | Dec 21, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/865
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording media includes a servo region including a preamble region and a burst region and having marks of a magnetic film, and a data region having discrete tracks of the magnetic film. The burst region includes a signal section and a non-signal section, the signal section including rectangular marks of the magnetic film, in-plane geometry of which is a rectangle, formed in a periodic pattern in a track direction, and the non-signal section including marks of the magnetic film having a pattern different from the pattern of the rectangular marks in the signal section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.