Patent ID: 7830068
Filing Date: 2010-11-09
Classification: B81B,H01G,H01H,H01L

Abstract:
1. An actuator comprising: a substrate; a first beam extending from a first fixed end to a first connective end, including a first lower electrode, a first upper electrode, and a first piezoelectric film provided between the first lower electrode and the first upper electrode; a first fixed part connecting the first fixed end and the substrate and supporting the first beam above a main surface of the substrate with a gap; a second beam extending from a second connective end to a first action end and provided in parallel to the first beam, including a second lower electrode, a second upper electrode, a second piezoelectric film provided between the second lower electrode and the second upper electrode, and having a first division part divided by a first slit extending from the first action end toward the second connective end; a first connective part connecting the first connective end and the second connective end and holding the second beam above the main surface of the substrate with a gap; and a first fixed electrode provided on the main surface of the substrate being configured to be opposed to a part of the first division part on a side of the first action end.