Capping materials for magnetic read head sensor
US8958180B1 · kind B1 · utility
8Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2013 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Aug 28, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/3912
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present invention generally relate to a magnetic head having a sensor structure comprising a pinned layer, a spacer layer, a free layer and a capping structure. The free layer has a topmost layer comprising CoB and the capping structure comprises an X layer, where X is an element such as Hf, Zr, Ti, V, Nb, or Ta.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.