Liquid motor driven by electrowetting

A. Takei, N. Binh-Khiem, E. Iwase, K. Matsumoto, I. Shimoyama

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

We propose a liquid motor using surface tension. Our liquid motor is composed of a liquid droplet, a floating plate and a lower plate. The plate floating on the droplet is rotated continuously by electrowetting actuation. The floating plate is asymmetrically and has four cogs. By electrowetting actuation, the shape of the droplet is deformed. Then, the floating plate rotates to the position where the surface energy of the sandwiched liquid takes a minimum value. On the lower plate, electrodes are patterned in an annular shape. By choosing the voltage-applied electrodes, the position of the floating plate is controlled. In this research, a 2 mm floating plate with a 500 μm silicon cube was rotated at 180 rpm. This motor is useful for optical devices because the components of the liquid motor can be made of transparent materials.

Original languageEnglish
Title of host publicationMEMS 2008 Tucson - 21st IEEE International Conference on Micro Electro Mechanical Systems
Pages42-45
Number of pages4
DOIs
Publication statusPublished - 2008 Aug 29
Externally publishedYes
Event21st IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2008 Tucson - Tucson, AZ, United States
Duration: 2008 Jan 132008 Jan 17

Publication series

NameProceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
ISSN (Print)1084-6999

Conference

Conference21st IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2008 Tucson
CountryUnited States
CityTucson, AZ
Period08/1/1308/1/17

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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  • Cite this

    Takei, A., Binh-Khiem, N., Iwase, E., Matsumoto, K., & Shimoyama, I. (2008). Liquid motor driven by electrowetting. In MEMS 2008 Tucson - 21st IEEE International Conference on Micro Electro Mechanical Systems (pp. 42-45). [4443588] (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)). https://doi.org/10.1109/MEMSYS.2008.4443588