Patent ID: 7923894

Claim:
An actuator comprising: a movable section; and a stationary section supporting the movable section, wherein, the movable section includes: a first conductive portion to which a first voltage is applied; a second conductive portion to which a second voltage is applied; and backlining for stabilizing the first conductive portion and the second conductive portion to each other in an electrically insulated state, wherein: the second conductive portion and the backlining are electrically connected, the movable section includes a first movable section and a second movable section supporting the first movable section; the stationary section supports the second movable section; the second movable section includes the first and second conductive portions; the first voltage is supplied to the first movable section via the first conductive portion; and the second movable section further includes electrode combteeth formed in the second conductive portion and in the backlining.