Method of making diamond-like carbon hydrophilic using...

Details Method of making diamond-like carbon hydrophilic using... Method of making diamond-like carbon hydrophilic using...

C - Chemistry, Metallurgy

23

C

C23C 16/44 (2006.01)

Patent

CA 2604124

A substrate is coated with a layer(s) or coating(s) that includes, for example, amorphous carbon in a form of diamond-like carbon (DLC). The DLC is then subjected to barrier discharge treatment (or some other type of plasma treatment) in order to cause the contact angle .theta. thereof to decrease. In certain example embodiments, an atmospheric plasma is used in the barrier discharge treatment, and the glow discharge produces oxygen radicals which impinge on the DLC and cause the contact angle to decrease.

L'invention concerne un substrat revêtu d'une ou de plusieurs couches ou revêtement(s) comprenant, par exemple, un carbone amorphe sous forme de diamant amorphe (DLC). Le DLC est alors soumis à un traitement de décharge isolant (ou à tout autre type de traitement au plasma) afin de diminuer l'angle de contact ?. Dans certains modes de réalisation, un plasma atmosphérique est utilisé dans le traitement de décharge isolant, et la décharge luminescente produit des radicaux d'oxygène venant en contact avec le DLC et diminuant l'angle de contact.

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