Patent ID: 6054793
Filing Date: 2000-04-25
Classification: H03H

Abstract:
A piezoelectric resonator, comprising:a base member having a longitudinal direction and constructed to vibrate in a longitudinal vibration mode, said base member including a plurality of piezoelectric material layers laminated to each other, said piezoelectric material layers being polarized along the longitudinal direction of said base member;a plurality of inner electrodes arranged substantially perpendicular to the longitudinal direction of said base member and arranged along the longitudinal direction of said base member while being spaced apart from each other, said inner electrodes being provided on surfaces of said piezoelectric material layers and arranged substantially perpendicular to the longitudinal direction of said base member; anda pair of external electrodes provided on a first surface of said base member and connected to said inner electrodes; whereinsaid base member has at least one cut portion at an edge portion thereof.