Thin-film magnetic head with enhanced crosstalk reduction
US5134534A · kind A · utility
13Cited by
1References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 6, 1990 |
| Grant date | Jul 28, 1992 |
| Priority date | — |
| Expiry date | Mar 6, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/3143
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a thin-film magnetic head including a magnetic circuit which is composed of upper and lower magnetic layers and a coil made of a conductive layer, a magnetic shield layer made of a conductive material is provided on the upper magnetic layer; and the intensity of the magnetic reluctance of the magnetic shielding action of the magnetic shield layer is arranged to be adjustable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.