Magnetic recording medium containing Fe, Co, N and O
US4873154A · kind A · utility
6Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 1988 |
| Grant date | Oct 10, 1989 |
| Priority date | — |
| Expiry date | Feb 3, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/90
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium, such as a tape, having a thin ferromagnetic film containing Fe.sub.a Co.sub.b N.sub.c O.sub.d satisfying: 32%.ltoreq.a.ltoreq.90%; 5%.ltoreq.b.ltoreq.55%; 2%.ltoreq.c.ltoreq.28%; 5%.ltoreq.d.ltoreq.23%; and c+d.ltoreq.40%. Such a film provides enhanced resistance against corrosion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.