Magnetic head for recording and reproduction
US4646184A · kind A · utility
20Cited by
8References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1984 |
| Grant date | Feb 24, 1987 |
| Priority date | — |
| Expiry date | Sep 21, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/2452
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided a magnetic head used for both magnetic recording and reproduction thereof, comprising a magnetic head body with a gap portion, wherein a first material having a larger saturated magnetic flux density than that of said body is applied to one or both sides of said gap portion, said gap being internally provided with a second material having a smaller saturated magnetic flux density than said body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.