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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Sens Actuators B Chem. 2012 Oct;173:338–345. doi: 10.1016/j.snb.2012.07.022

Fig. 1.

Fig. 1

The side view of a EWD actuator with an applied voltage on the adjacent electrode. The difference of γSL between two ends of the droplet induces the electrowetting force fE.