Preheat feature for thermally assisted recording
US8553506B2 · kind B2 · utility
3Cited by
19References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2011 |
| Grant date | Oct 8, 2013 |
| Priority date | — |
| Expiry date | Dec 29, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus according to one embodiment includes a near-field transducer positioned towards an air bearing surface side of the apparatus; and at least one conductor or circuit for causing heating of the near-field transducer. A method according to one embodiment includes heating the near-field transducer by passing a current through the at least one conductor or circuit; and illuminating the near-field transducer during a write operation, wherein the current does not pass through the at least one conductor or circuit for at least a majority of a time of illumination. Additional embodiments are also presented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.