Magnetic recording medium
US5480732A · kind A · utility
2Cited by
3References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1992 |
| Grant date | Jan 2, 1996 |
| Priority date | — |
| Expiry date | Dec 22, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/735
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium comprising a non-magnetic support, a magnetic layer on one surface of said non-magnetic support, a back coating layer on the other surface of said non-magnetic support and a primer layer containing acicular hexagonal ferrite magnetic powder between said non-magnetic support and at least one of said magnetic layer and said back coating layer, which is used with a video recorder fitted for high density recording and in particular, which copes with prolongation of a recording time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.