Patent ID: 7851976

Claim:
A micro movable device comprising: a base substrate; a fixed portion bonded to the base substrate; an elongated movable portion having a fixed end fixed to the fixed portion and extending along the base substrate; a piezoelectric drive provided on the movable portion on a side away from the base substrate, the piezoelectric drive having a laminate structure provided by a first electrode film contacting the movable portion, a second electrode film and a piezoelectric film between the first and the second electrode films; a movable contact provided in the movable portion, on a side away from the base substrate; and a pair of fixed contact electrodes, each bonded to the fixed portion and having a portion facing the movable contact; wherein the movable portion is provided with a groove extending along the piezoelectric drive, wherein the groove extends only partially through the movable portion and includes an elongated part extending longitudinally of the movable portion.