Magnetic recording medium
US4759979A · kind A · utility
4Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1986 |
| Grant date | Jul 26, 1988 |
| Priority date | — |
| Expiry date | Nov 6, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/257
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium is disclosed which comprises a non-magnetic support having coated thereon a magnetic layer containing a specific amount of a specific acicular Cr.sub.2 O.sub.3 along with alpha-Al.sub.2 O.sub.3, SiC, and/or TiC, which medium shows excellent surface properties and electromagnetic properties, as well as improved running durability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.