Patent ID: 7545430

Claim:
A movement mechanism, comprising: a first structural member; a second structural member spaced from the first structural member; and a liquid between the first structural member and the second structural member, wherein the first structural member and the second structural member both contact the liquid; wherein a face of the first structural member on the side that is in contact with the liquid includes a first electrode, an insulating film formed on the first electrode and a first water-repelling film formed on the insulating film; wherein a face of the second structural member on the side that is in contact with the liquid includes a second electrode and a second water-repelling film is formed on the periphery of the second electrode; wherein the liquid is in contact with both the second electrode and the second water-repelling film; wherein the face of the first structural member on the side that is in contact with the liquid and the face of the second structural member that is in contact with the liquid are opposed to each other; wherein the movement mechanism comprises means for applying a voltage between the first electrode and the second electrode; and wherein the liquid is arranged in at least two locations.