Touchdown sensor having a more stable crystal structure for use in hard disk drives
US9047902B1 · kind B1 · utility
1Cited by
14References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2011 |
| Grant date | Jun 2, 2015 |
| Priority date | — |
| Expiry date | Feb 1, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/3967
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and system for providing a touchdown sensor for use in disk drive is described. The touchdown sensor includes a seed layer, a sensor layer on the seed layer, and a capping layer. The sensor layer includes NiFe. In some embodiments, at least one of the seed layer and the capping layer promote stability and performance of the sensor layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.