Magnetoresistive read head assembly for servo operation
US4012781A · kind A · utility
62Cited by
5References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 14, 1975 |
| Grant date | Mar 15, 1977 |
| Priority date | — |
| Expiry date | Aug 14, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/58
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A transducer for servoing on data or separate servo information is fabricated with two adjacent magnetoresistive (MR) elements stagger connected such that each MR element senses one-half of the data magnetic transition track or separate coded servo tracks. Each MR element is magnetostatically biased by a soft magnetic film formed as a portion of its adjacent MR element material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.