Recording head for heat assisted magnetic recording with a side lobe blocker
US8576673B2 · kind B2 · utility
6Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2011 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Jan 12, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus includes a waveguide having a core layer, a near field transducer having an end positioned adjacent to a first surface, a first magnetic pole having an end positioned adjacent to the first surface, and a side lobe blocker adjacent to the first surface and having portions on opposite sides of the first magnetic pole and the near field transducer, wherein the side lobe blocker forms an aperture at an end of the core layer adjacent to the first surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.