Magneto-optical head having a thin film coil recessed into a magnetic substrate
US5402293A · kind A · utility
21Cited by
6References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 27, 1990 |
| Grant date | Mar 28, 1995 |
| Priority date | — |
| Expiry date | Dec 27, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B11/10554
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magneto-optical head formed of a magnetically permeable substrate in which an annular recess is formed in a planar surface of the substrate and a plurality of thin film windings are deposited in the recess to make up the coil windings of the head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.