Amphiphillic lubricants for magnetic media
US6348266B1 · kind B1 · utility
5Cited by
19References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 1999 |
| Grant date | Feb 19, 2002 |
| Priority date | — |
| Expiry date | Aug 31, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31544
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium including a lubricant topcoat having increased bonding to the medium surface comprises an amphiphilic lubricant molecule having a hydrophilic central portion including a plurality of polar functional groups bound to the medium surface and a pair hydrophobic fluoroalkyl ether or perfluoroalkylether end portions at respective ends of the hydrophilic central portion and extending away from the medium surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.