Magnetic recording medium and device
US5843569A · kind A · utility
23Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1997 |
| Grant date | Dec 1, 1998 |
| Priority date | — |
| Expiry date | Feb 24, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/265
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium comprising: a substrate; and a magnetic recording layer provided on the substrate, the magnetic recording layer being comprised of a thin film of a nonmagnetic material with crystal grains of Co.sub.100-x Pt.sub.x, wherein 10.ltoreq..times.<20, having an f.c.c. structure and an average grain diameter of not more than 50 nm being substantially uniformly dispersed therein, the product of the residual magnetization and the thickness of the magnetic recording layer being not more than 150 Gauss..mu.m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.