Metallic thin film magnetic recording medium
US4323629A · kind A · utility
27Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1980 |
| Grant date | Apr 6, 1982 |
| Priority date | — |
| Expiry date | Jul 11, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A magnetic thin film deposited on a non-magnetic substrate consists substantially of Ni, Co and oxygen, the content of Ni being between 10 and 55% by weight based on the weight of Ni and Co, the atomic percent ratio of oxygen to Ni and Co being between 3 and 45%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.