Magnetic recording medium
US5458948A · kind A · utility
18Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1993 |
| Grant date | Oct 17, 1995 |
| Priority date | — |
| Expiry date | Dec 2, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/265
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium comprises a non-magnetic support and provided thereon, in order, a non-magnetic layer containing a non-magnetic powder, and a magnetic layer containing a ferromagnetic metal powder, each layer containing a binder, the crystallite size of the magnetic powder determined according to X-ray measurement being 30 to 120 .ANG. and the dry thickness of the magnetic layer being 0.01 to less than 0.5 .mu.m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.