Method of controlling water droplet movement using microfluidic device
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United States of America Patent
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Dec 9, 2014
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app pub date -
Oct 27, 2011
filing date -
Sep 30, 2011
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Abstract
Provided is a method of controlling water droplet movement including providing a substrate including a superhydrophobic surface on which a hydrophilic channel guiding water droplet movement is patterned, introducing a water droplet on the substrate, and modulating a slope of the superhydrophobic surface for the water droplet to move on the superhydrophobic surface along the hydrophilic channel. Here, a width of the hydrophilic channel is modulated for the water droplet to move on the superhydrophobic surface having a certain angle with respect to a ground.
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