Media lubricant for high temperature application
US8187732B2 · kind B2 · utility
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21Claims
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Key dates
| Filing date | Nov 13, 2009 |
| Grant date | May 29, 2012 |
| Priority date | — |
| Expiry date | Nov 13, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/8408
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A lubricant layer for a magnetic recording medium may include a perfluoropolyether having monomer units and end groups selected to provide high thermal stability and good reliability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.