Method and system for providing an energy assisted magnetic recording writer having a ring shaped NFT
US8634280B1 · kind B1 · utility
177Cited by
22References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2011 |
| Grant date | Jan 21, 2014 |
| Priority date | — |
| Expiry date | Jan 13, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and system provides an EAMR transducer. The transducer is coupled with a laser for providing energy and has an air-bearing surface (ABS) configured to reside in proximity to a media during use. The EAMR transducer includes a near field transducer (NFT) for focusing the energy onto the region of the media, a write pole, and at least one coil for energizing the write pole. The NFT includes a ring portion having an aperture therein and a pin portion proximate to the ABS. The write pole is configured to write to a region of the media.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.