Magnetoresistive sensor having antiferromagnetic exchange-biased ends
US4891725A · kind A · utility
44Cited by
8References
13Claims
0Family size
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Key dates
| Filing date | Jul 19, 1988 |
| Grant date | Jan 2, 1990 |
| Priority date | — |
| Expiry date | Jul 19, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/096
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An elongated magnetoresistive sensor strip longitudinally biased to maintain a single domain sense region by exchange-biasing material atomically coupled to the strip at the ends of the strip outside of a central sense region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.