Information recording/reproducing device
US6560168B1 · kind B1 · utility
4Cited by
2References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2000 |
| Grant date | May 6, 2003 |
| Priority date | — |
| Expiry date | Dec 12, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/3996
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An information recording apparatus using a recording medium which holds information by reversed magnetic domains on a perpendicular magnetic recording film includes an irradiation unit for applying electromagnetic energy or light onto the recording medium, and a magnetic flux detection unit for detecting magnetic leakage flux emerging from the recording medium, the magnetic flux detection unit being disposed on the same side as the irradiation unit with respect to the recording medium. As a result, both side recording of the recording medium can be conducted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.