Magnetic recording medium
US4734326A · kind A · utility
9Cited by
6References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1985 |
| Grant date | Mar 29, 1988 |
| Priority date | — |
| Expiry date | Jan 24, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/256
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium comprising a non-magnetic substrate, a magnetic recording layer formed on one side of the substrate and a back coating layer formed on the other side of the substrate, characterized in that the back coating layer is a coating layer comprising zinc sulfide and a resin binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.