Magneto-optical recording medium and layer structure
US7604878B2 · kind B2 · utility
1Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2005 |
| Grant date | Oct 20, 2009 |
| Priority date | — |
| Expiry date | Jan 31, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B11/10528
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A layered magneto-optical recording medium including a substrate and a magnetic layer. The magnetic layer includes columnar projections, which are formed on a film surface of the magnetic layer as arranged in a lengthwise direction and a crosswise direction with a pitch smaller than a wavelength of the laser light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.