Hydrophobic surface coating with low wetting hysteresis,...

Details Hydrophobic surface coating with low wetting hysteresis,... Hydrophobic surface coating with low wetting hysteresis,...

2011-08-02

2011-08-02

Sample, David R. (Department: 1783)

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

C427S569000, C106S287130, C204S192150

Reexamination Certificate

active

07989056

ABSTRACT:
A hydrophobic surface coating, preferably obtained by chemical vapor deposition, comprises at least an upper thin layer formed by a compound selected from the group consisting of SiCxOy:H with x comprised between 1.4 and 2 and y comprised between 0.8 and 1.4 and SiCx′Ny′:H with x′ comprised between 1.2 and 1.4 and y′ comprised between 0.6 and 0.8, so as to obtain a free surface with a low wetting hysteresis. Such a hydrophobic surface coating can be arranged on the free surface of a microcomponent comprising at least one substrate provided with, an electrode array and particularly suitable for moving drops of liquid by electrowetting on dielectric.

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D., Hegemann et al., “Improving the Adhesion of Siloxane-Based Plasma Coating on Polymers With Defined Wetting Properties,” CAPLUS, XP002326575, Abstract, Apr. 22, 2003.

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