F107 液晶を利用したマイクロアクチュエータ(OS1 マイクロエネルギー変換),動力エネルギーシステム部門20周年,次の20年への新展開)

概要

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We have proposed the microactuators driven by liquid crystalline materials. In this work, two types of liquid crystalline microactuators are developed, which are the slider-type and motor-type liquid crystalline microactuators. The slider-type actuator is constituted with two parallel glass plates and a liquid crystalline material between them. The upper glass plate is just placed on the liquid crystal, and thus moves when the flow of the liquid crystal is induced by an pulsed electric field. From the results, it is found that the velocity of the upper plate can be controlled by adjusting the frequency of the pulsed voltage. On the other hand, the liquid crystalline motor have a structure that two glass cylinder with different diameters are coupled and a gap between the cylinder is filled with the liquid crystal. We have successfully drive the inner cylinder by applying the pulsed voltage on the liquid crystal and the rotation speed is about 8rpm when the frequency of the pulsed voltage is 100Hz.
2010-06-20