Magnetic recording medium and production thereof
US4737415A · kind A · utility
23Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 1985 |
| Grant date | Apr 12, 1988 |
| Priority date | — |
| Expiry date | Nov 20, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium comprising a substrate, a magnetic layer and a protective layer which consists of an organic polymeric material comprising carbon atoms, hydrogen atoms and oxygen atoms, the content of the oxygen atoms increasing towards the outer surface of the protective layer, which has improved durability and corrosion resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.