Chuan-Hua Chen

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Electroosmotic ¯ow (EOF) micropumps which use electroosmosis to transport liquids have been fabricated and used to achieve pressures in excess of 20 atm and ¯ow rates of 3.6 ml/min for 2 kV applied potentials. These pumps use deionized water as working ¯uids in order to reduce the ion current of the pump during operation and increase thermodynamic(More)
—Electroosmotic (EO) micropumps use field-induced ion drag to drive liquids and achieve high pressures in a compact design with no moving parts. An analytical model applicable to planar, etched-structure micropumps has been developed. This model consists of pressure and flow relations in addition to an analytical expression that can be used to estimate the(More)
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