Magnetic head having a thin-film and a coil
US4884156A · kind A · utility
15Cited by
11References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 1989 |
| Grant date | Nov 28, 1989 |
| Priority date | — |
| Expiry date | Mar 27, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/3179
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic head including a head base consisting of blocks, and having a penetration hole therethrough, a magnetic thin film formed on the head base to define a magnetic circuit and a coil wound around the magnetic thin film and the head base through the penetration hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.