Magnetic recording media
US4692378A · kind A · utility
13Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1985 |
| Grant date | Sep 8, 1987 |
| Priority date | — |
| Expiry date | Nov 5, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31942
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention provides magnetic recording media such as magnetic disks, etc., with an improved lubricant composition of perfluoroalkylpolyether with a polar terminal group and perfluoroalkylpolyether without a polar terminal group on the surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.