MNM-P5-6 エレクトロウェッティングを利用した液滴の3次元輸送に関する研究(P5 マイクロ・ナノ技術によるロボティクス・メカトロニクスの新展開)

概要

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This paper describes a new method for three-dimensional transportation of liquid droplets using EWOD (Electro Wetting on Dielectric). This method utilizes surface tension and electrostatic forces, which become significant at the microscale. The droplet transported on a vertical or upside down surface is affected by gravity force. In order to reduce the gravity effect, volume of water was reduced and shape and size of electrodes were changed. A water droplet was transported on a inclined surface, and the angle of inclination was changed from 10° to 360° by every 10°. The results show that water droplet can be transported on all inclined surfaces. Horizontal transportation of a droplet on a vertical surface was also made successfully. In addition, the device was also fabricated on a polyimide flexible substrate and a droplet was successfully transported on the curved surface.
一般社団法人日本機械学会の論文
2010-10-12