Liquid motor driven by electrowetting

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

doi:10.1109/MEMSYS.2008.4443588

Liquid motor driven by electrowetting

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

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

10 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 language	English
Title of host publication	MEMS 2008 Tucson - 21st IEEE International Conference on Micro Electro Mechanical Systems
Pages	42-45
Number of pages	4
DOIs	https://doi.org/10.1109/MEMSYS.2008.4443588
Publication status	Published - 2008 Aug 29
Externally published	Yes
Event	21st IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2008 Tucson - Tucson, AZ, United States Duration: 2008 Jan 13 → 2008 Jan 17

Publication series

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

Conference

Conference	21st IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2008 Tucson
Country/Territory	United States
City	Tucson, AZ
Period	08/1/13 → 08/1/17

ASJC Scopus subject areas

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

Access to Document

10.1109/MEMSYS.2008.4443588

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

Liquid motor driven by electrowetting. / Takei, A.; Binh-Khiem, N.; Iwase, E. et al.

MEMS 2008 Tucson - 21st IEEE International Conference on Micro Electro Mechanical Systems. 2008. p. 42-45 4443588 (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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., 4443588, Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), pp. 42-45, 21st IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2008 Tucson, Tucson, AZ, United States, 08/1/13. https://doi.org/10.1109/MEMSYS.2008.4443588

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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.",

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AU - Takei, A.

AU - Binh-Khiem, N.

AU - Iwase, E.

AU - Matsumoto, K.

AU - Shimoyama, I.

PY - 2008/8/29

Y1 - 2008/8/29

N2 - 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.

AB - 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.

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Liquid motor driven by electrowetting

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