Patent ID: 8022794

Claim:
A micromachine switch for switching an electrical connection between signal electrodes in accordance with control signals from outside which include: a first control signal for electrically connecting the signal electrodes between which a signal is to be passed; and a second control signal for disconnecting the electrical connection between the signal electrodes, the micromachine switch comprising: a substrate; a rotating body provided on the substrate, which is rotatable on the substrate; a movable electrode provided on the rotating body; a first signal electrode, one end of which is electrically connected to one end of the movable electrode, and another end of which is provided on the substrate; a second signal electrode which is provided near the rotating body so as to be positioned such that a rotation of the rotating body causes the second signal electrode to be electrically connected to another end of the movable electrode; and a drive section for causing, in accordance with the first control signal, the rotating body to rotate until the rotating body is in such a position as to allow the another end of the movable electrode and the second signal electrode to be electrically connected, and for causing, in accordance with the second control signal, the rotating body to rotate until the rotating body is in such a position as to disconnect an electrical connection between the another end of the movable electrode and the second signal electrode, wherein the another end of the movable electrode is provided so as to protrude around the rotating body from an outer circumference of the rotating body and so as to be caused by the rotation of the rotating body to overlap an upper surface of the second signal electrode with a gap between the another end of the movable electrode and the upper surface of the second signal electrode.