Hydrophilic coating including dlc on substrate

Details Hydrophilic coating including dlc on substrate Hydrophilic coating including dlc on substrate

C - Chemistry, Metallurgy

03

C

C03C 17/22 (2006.01)

Patent

CA 2410259

A substrate is coated with a hydrophilic layer(s) or coatings(s) that includes, for example, amorphous carbon in a form of diamond-like carbon (DLC). In certain embodiments, the DLC inclusive layer may be doped with at least one polar inducing dopant (e.g., Boron, Nitrogen, and/or any other suitable polar inducing dopant) in order to make the layer more polar and thus more hydrophilic so as to have a lower contact angle .theta. (e.g., no greater than about 10 degrees in certain embodiments, and more preferably no greater than about 8 degrees).

Un substrat est revêtu d'une ou de plusieurs couches ou revêtements hydrophiles contenant, par exemple, du carbone diamant amorphe (CDA). Dans certaines formes de réalisation, la couche contenant du CDA peut être dopée à l'aide d'au moins un dopant induisant une polarité (p. ex. bore, azote et/ou tout autre dopant approprié induisant une polarité) pour rendre la couche plus polaire et par conséquent plus hydrophile, afin qu'elle présente un angle de contact .theta. réduit (p. ex. ne dépassant pas environ 10 degrés dans certaines formes de réalisation, et de préférence ne dépassant pas environ 8 degrés).

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