Recording head including a near field transducer
US8842391B2 · kind B2 · utility
29Cited by
17References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2013 |
| Grant date | Sep 23, 2014 |
| Priority date | — |
| Expiry date | Oct 24, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus including a near field transducer positioned adjacent to an air bearing surface, the near field transducer including an electrically conductive nitride; a first magnetic pole; and a heat sink, a diffusion barrier layer, or both positioned between the first magnetic pole and the near field transducer, wherein the heat sink, the diffusion barrier or both include rhodium (Rh) or an alloy thereof; ruthenium (Ru) or an alloy thereof titanium (Ti) or an alloy thereof tantalum (Ta) or an alloy thereof tungsten (W) or an alloy thereof borides; nitrides; transition metal oxides; or palladium (Pd) or an alloy thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.