| 摘要 |
<p>Disclosed is a polymer actuator which can maintain good seal properties by means of a simple structure, can carry out flow path opening control and flow amount control with high accuracy and can increase displacement amount by means of a low applied voltage, has improved responsiveness, and is capable of implementing flow amount control from a low flow amount to a high flow amount by altering the applied voltage. Further disclosed is a valve using the polymer actuator. The polymer actuator has a drive body (2) which deforms due to an electric external stimulus, and fixed electrodes (3, 4), which are arranged facing the upper and lower surface sides of the drive body (2), and which evenly apply a positive and negative electric external stimulus to the drive body (2). At least one of the fixed electrodes (3, 4) protrudes on the side in which the drive body (2) bends and deforms, and is provided with collision surfaces (5) which are displaced by means of Coulomb's force when the drive body (2) is deformed, and can collide with the drive body (2). When no stimulus is applied, a separation region (T) is created between at least one of the collision surfaces (5) and the drive body (2).</p> |
