Patent attributes
A multilayer piezoelectric device has a laminated body having piezoelectric layers laminated in the direction of a given axis “A” and positive and negative internal electrode layers are alternatively disposed between neighboring piezoelectric layers. The device further has a underlying layer disposed on a side of the laminated body and electrically connected to one of the internal electrode layers, a first conductive reinforcing layer joined to the underlying layer, a second conductive reinforcing layer joined to the first conductive reinforcing layer, and a conductive joining material joining the underlying layer to the first conductive reinforcing layer. The second conductive reinforcing layer is not directly joined to the underlying layer by means of the conductive joining material.
