P2i Limited

Delwyn Evans

Stephen Richard Coulson

Angeliki Siokou

Clive Telford

Thomas Hellwig

Fred Hopper

The present invention provides an electronic or electrical device or component thereof comprising a cross-linked polymeric coating on a surface of the electronic or electrical device or component thereof; wherein the cross-linked polymeric coating is obtainable by exposing the electronic or electrical device or component thereof to a plasma comprising a monomer compound and a crosslinking reagent for a period of time sufficient to allow formation of the cross-linked polymeric coating on a surface thereof, wherein the monomer compound has the following formula: where R, Rand Rare each independently selected from hydrogen, optionally substituted branched or straight chain C-Calkyl or halo alkyl or aryl optionally substituted by halo, and Ris selected from: where each X is independently selected from hydrogen, a halogen, optionally substituted branched or straight chain C-Calkyl, halo alkyl or aryl optionally substituted by halo; and nis an integer from 1 to 27; and wherein the crosslinking reagent comprises two or more unsaturated bonds attached by means of one or more linker moieties and has a boiling point at standard pressure of less than 500&#xb0; C.

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Abingdon, United Kingdom

Delwyn Evans