Integrated microfluidic circuit with electrowetting-based operation and corresponding microfluidic system
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United States of America Patent
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May 29, 2018
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app pub date -
Sep 17, 2014
filing date -
Sep 17, 2013
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Abstract
An integrated fluidic circuit has a supporting surface that carries a first fluid to be moved at a first functional region; a dielectric structure, defining the supporting surface; and an electrode structure, coupled to the dielectric structure for generating an electric field at the first functional region, such as to modify electrowetting properties of the interface between the first fluid and the supporting surface. The dielectric structure has a first spatially variable dielectric profile at the first functional region, thus determining a corresponding spatially variable profile of the electric field, and, consequently, of the electrowetting properties of the interface between the first fluid and the supporting surface. The integrated fluidic circuit may achieve mixing between the first fluid and a second fluid.
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