Magnetic recording medium having a substrate containing magnetic powder
US5629075A · kind A · utility
8Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1995 |
| Grant date | May 13, 1997 |
| Priority date | — |
| Expiry date | Apr 26, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/257
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a magnetic recording medium comprising a magnetic support 1 containing a magnetic powder, and at least a nonmagnetic layer 2 provided on the magnetic support 1 and a magnetic layer 3 provided on the nonmagnetic layer 2. The magnetic powder comprises a ferromagnetic powder, preferably a powder of soft magnetic materials and/or a powder of iron oxide with low remanent induction. The medium is suitable for high-density recording, especially exhibiting an excellent output characteristic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.