Magnetic recording medium
US4680218A · kind A · utility
7Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1985 |
| Grant date | Jul 14, 1987 |
| Priority date | — |
| Expiry date | Sep 23, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium comprises a base, a magnetic layer made of a magnetic material and formed on the base, a lubricant layer made of a lubricant material having lubricity and formed on the magnetic layer, and a corrosion resisting layer made of a corrosion resisting material having corrosion resistance and formed on the lubricant layer. An additional corrosion resisting layer made of a corrosion resisting material having corrosion resistance may be provided between the magnetic layer and the lubricant layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.