Method for fabricating a magnetic writer having a gradient side gap
US9349394B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2013 |
| Grant date | May 24, 2016 |
| Priority date | — |
| Expiry date | Jan 27, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/315
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method provides a magnetic transducer having an air-bearing surface (ABS) location. The method provides a main pole using a plurality of masks including a plurality of apertures therein. The plurality of apertures overlap in an overlap region. At least a portion of the main pole resides in the overlap region. A side gap adjacent to a portion of the main pole is provided. The side gap has a conformal portion and a nonconformal portion. The conformal portion is adjacent to the ABS location and the overlap region. The conformal portion is between the ABS location and the nonconformal portion. A side shield is provided. The side gap residing between the side shield and the main pole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.