Dual wire integrated WAMR/HAMR writing head
US7869309B2 · kind B2 · utility
20Cited by
19References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2005 |
| Grant date | Jan 11, 2011 |
| Priority date | — |
| Expiry date | Mar 12, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus comprises a waveguide, an optical transducer for coupling electromagnetic radiation from the waveguide to a point adjacent to an air bearing surface to heat a portion of a storage medium, and a first wire positioned adjacent to the air bearing surface, wherein current in the wire produces a magnetic field in the heated portion of the storage medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.