Patent ID: 9112135
Filing Date: 2015-08-18
Classification: G11B,H01L,Y10T

Abstract:
1. A piezoelectric element comprising: an element body which has a pair of principal faces opposed to each other, and four end faces extending in a direction in which the pair of principal faces are opposed to each other, so as to connect the pair of principal faces, the element body is comprised of a piezoelectric ceramic material, the element body has a rectangular parallelepiped shape; a pair of electrodes arranged respectively on the pair of principal faces, the respective electrodes each having a rectangular shape in a plan view, the respective electrodes each having four sides; and a resin covering an entire area of the four end faces and arranged so as to make contact with each of the four sides of each of the pair of electrodes, wherein the resin has two edges in said direction projecting outward in said direction from the respective electrodes.