Magnetoresistive sensor having bias magnets with steep endwalls
US7019950B2 · kind B2 · utility
1Cited by
15References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2003 |
| Grant date | Mar 28, 2006 |
| Priority date | — |
| Expiry date | Dec 23, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/3996
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetoresistive sensor has bias magnets with substantially vertical end walls. The offset between the bias magnets and the free layer is optimized by adjusting the thickness of a spacer layer. A disk drive has a read element including a magnetoresistive sensor with optimized bias magnets having substantially vertical end walls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.