McDermott, Will & Emery
Polymeric lubricants with improved stability and thin film recording media comprising same
A data/information storage and retrieval medium, comprising:(a) a substrate including a layer stack thereon, the layer stack including a surface and at least one magnetic or magneto-optical (&#8220;MO&#8221;) recording layer; and(b) a thin film or layer of a lubricant formed on the surface of the layer stack, comprised of a derivatized perfluoropolyether compound comprising a generally linear perfluoropolyethcr chain and at least one Hindered Amine Light Stabilizer (&#8220;HALS&#8221;) moiety at at least one end of the chain.
Seagate Technology LLC
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G11B C10N C10M C10N C10M
inventional additional additional additional inventional
Jianwei Michael Joseph Jing
Liu Stirniman Gui