Media with a metal oxide sealing layer
US6416881B1 · kind B1 · utility
2Cited by
19References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2000 |
| Grant date | Jul 9, 2002 |
| Priority date | — |
| Expiry date | May 15, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/26
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Sputter-deposited amorphous metal oxide films on substrates comprising an aluminum-containing support and a Ni-containing pre-coat reduce Ni ion migration significantly from the substrate onto the top surface of the magnetic recording media. Longitudinal magnetic recording media deposited on metal oxide sealing layers have very good magnetic recording performances and are suitable for high density recording application.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.