Magnetic recording medium having an improved magnetic characteristic
US6287429A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 1999 |
| Grant date | Sep 11, 2001 |
| Priority date | — |
| Expiry date | May 14, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C14/3414
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A magnetic recording medium comprises a non-magnetic substrate having a principal surface, an intermediate layer formed on the principal surface, and a magnetic layer formed on the intermediate layer. The intermediate layer comprises an intermediate material composed of chromium and molybdenum. The magnetic layer comprises a magnetic material composed of cobalt and platinum. The intermediate layer may comprise first and second layers. The first layer comprises a first material composed of chromium and is formed on the principal surface. The second layer comprises a second material composed of chromium and molybdenum and is formed on the first layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.