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IEVref:523-02-03ID:
Language:enStatus: Standard
Term: electro-wetting on dielectric
Synonym1: EWOD
[Preferred]
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Definition: wetting of a substrate controlled by the voltage between a droplet and the substrate covered with a dielectric film

Note 1 to entry: The contact angle of a liquid droplet, typically an electrolyte, on a substrate can be electrically controlled because the solid-liquid surface interfacial tension can be controlled with the energy stored in the electric double layer which works as a capacitor. Covering the electrode with a dielectric material of determined thickness, the capacitance can be determined with ease. Electro-wetting on dielectric is used typically in microfluidic devices.

Note 2 to entry: This note applies to the French language only.


Publication date:2018-12
Source:IEC 62047-1:2016, 2.2.6
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