Magnetic read head with antiferromagentic layer
US9830936B2 · kind B2 · utility
1Cited by
691References
4Claims
0Family size
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Key dates
| Filing date | Nov 17, 2015 |
| Grant date | Nov 28, 2017 |
| Priority date | — |
| Expiry date | Mar 27, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1114
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A tunnel magnetoresistance (TMR) read sensor having a tabbed AFM layer and an extended pinned layer and methods for making the same are provided. The TMR read sensor has an AFM layer recessed from the air bearing surface, providing a reduced shield-to-shield distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.