Bottleneck magnetoresistive element
US4821133A · kind A · utility
15Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 1988 |
| Grant date | Apr 11, 1989 |
| Priority date | — |
| Expiry date | Feb 5, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/3903
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetoresistive sensor element having bottleneck shaped ends. The sensor element has a highly stable, single domain central region, which eliminates Barkhausen noise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.