Piezoelectric element

A piezoelectric element that at least bends and vibrates, the piezoelectric element comprising:

• a laminate including a plurality of piezoelectric layers that is laminated, the laminate having ridge portions at corners thereof;
• a plurality of internal electrodes disposed in the laminate to be laminated in a laminating direction of the plurality of piezoelectric layers and to generate a plurality of active regions in the laminate;
• and
• a plurality of external electrodes,
• wherein the laminate includes:
• a pair of main faces facing away from each other in the laminating direction;
• a pair of end faces facing away from each other in a first direction crossing the laminating direction;
• and
• a pair of side faces facing away from each other in a second direction crossing the laminating direction and the first direction,
• wherein each of the pair of main faces, the pair of end faces, and the pair of side faces is a polished surface that is polished,
• wherein each of the ridge portions of the laminate has a rounded chamfered shape,
• wherein a portion of the external electrodes that contacts the internal electrodes contains Ag as a main component,
• wherein the plurality of piezoelectric layers includes a pair of first piezoelectric layers disposed at both ends in the laminating direction, and
• a radius of curvature of each of the ridge portions is greater than a thickness of each of the pair of first piezoelectric lavers.