Magnetic recording medium
US4835049A · kind A · utility
3Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1987 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Dec 29, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/257
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relate to a magnetic recording medium which comprises a magnetic layer on a support. The magnetic layer contains an iron-aluminum alloy magnetic powder and a carbon black having a BET specific surface area of from 15 to 80 m.sup.2 /g and a DBP oil absorption of the carbon black from 110 to 200 ml/100 g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.