Magnetic recording medium
US4588636A · kind A · utility
2Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1982 |
| Grant date | May 13, 1986 |
| Priority date | — |
| Expiry date | Feb 12, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium having a thin ferromagnetic metal film formed on a non-magnetic base by vacuum vapor deposition or ion plating is disclosed. The thin ferromagnetic metal film is based on Co and contains 0.05 to 3.0 wt % of Mg.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.