Thin-film recording medium with thin metal sublayer
US5456978A · kind A · utility
26Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1993 |
| Grant date | Oct 10, 1995 |
| Priority date | — |
| Expiry date | Aug 3, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic thin-film medium formed on a non-metallic substrate and having reduced noise characteristics, by virtue of a 5-50 .ANG., sputtered Cr-containing sublayer interposed between the substrate and a chromium underlayer. Also disclosed is a method of preparing the low-noise medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.