Method for initializing antiferromagnetic layers in a spin valve magnetic sensor
US6721145B2 · kind B2 · utility
7Cited by
3References
16Claims
0Family size
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Inventor
Key dates
| Filing date | Jan 2, 2002 |
| Grant date | Apr 13, 2004 |
| Priority date | — |
| Expiry date | Aug 29, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49034
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of initializing a magnetic sensor having two antiferromagnetic layers is described. The method takes advantage of the spin flop effect such that the two antiferromagnetic layers may be orthogonally initialized. The signal polarity of the sensor is well controlled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.