Magnetic recording media a comprising magnetic particles binder and (fluorinated phenoxy)(3-perfluoroalkylphenoxy)-cyclic phosphazene lubricant
US5230964A · kind A · utility
8Cited by
29References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1990 |
| Grant date | Jul 27, 1993 |
| Priority date | — |
| Expiry date | Dec 20, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A magnetic recording media containing a lubricant which is a cyclic phosphazene completely substituted with fluorinated phenoxy substituents and m-perfluoroalkylphenoxy substituents, in ratios ranging from 1:1 to 1:5 is disclosed. The recording media and lubricant are particularly useful for advanced, high density magnetic recording media.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.