Thermally-assisted magnetic recording head including a return path section
US9218827B1 · kind B1 · utility
8Cited by
12References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2014 |
| Grant date | Dec 22, 2015 |
| Priority date | — |
| Expiry date | Jul 18, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A return path section includes a first yoke portion located on the front side in the direction of travel of a recording medium relative to a main pole and in contact with the top surface of the main pole. A coil includes a plurality of coil elements extending to pass between a core of a waveguide and the first yoke portion. The plurality of coil elements include a specific coil element. The main pole rides over the specific coil element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.