Magnetic head for a hard disk device having a non-magnetic trailing core
US5481425A · kind A · utility
1Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1994 |
| Grant date | Jan 2, 1996 |
| Priority date | — |
| Expiry date | Jul 26, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/1274
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic head in a hard disk device includes a leading core and a trailing core having a magnetic circuit winding, the trailing core is made of non-magnetic monocrystal ferrite, and magnetic metal films are provided in the magnetic path forming regions of the leading core and the trailing core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.