Vapor lubrication of fractionated lubricant on thin film discs
US5562965A · kind A · utility
21Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Oct 8, 1996 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/7257
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Lubricated magnetic recording discs are provided by vapor deposition of narrow molecular weight fractions of a terminally functionalized perfluoropolyether. The coatings are found to provide stable lubrication over extended periods of time in CSS cycles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.