Magnetic recording medium
US5631062A · kind A · utility
1Cited by
8References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 1994 |
| Grant date | May 20, 1997 |
| Priority date | — |
| Expiry date | May 24, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24372
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium comprising a nonmagnetic support and a magnetic layer, wherein the magnetic layer is provided on one surface of the nonmagnetic support, comprises a ferromagnetic particle, and has a surface roughness of from 2 to 10 nm; the nonmagnetic support has plural layers; at least one layer of the plural layers comprises an antistatic agent; and the nonmagnetic support has a surface roughness of from 5 to 30 nm on the opposite surface to the surface on which the magnetic layer is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.