Magnetic recording medium
US4537833A · kind A · utility
27Cited by
13References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1984 |
| Grant date | Aug 27, 1985 |
| Priority date | — |
| Expiry date | May 2, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium which comprises a non-magnetic support having thereon a magnetic recording layer containing ferromagnetic metal particles and a binder, wherein the ferromagnetic metal particles have a specfic area of about 35 to about 80 m.sup.2 /g, and the magnetic recording layer has a surface roughness of about 0.001 to 0.04 .mu.m and a residual amount of the solvent is about 0.5 to about 30 mg/m.sup.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.