Piezoelectric resonator and electronic component using the same

摘要

The invention provides a piezoelectric resonator vibrated in a longitudinal vibration mode; comprising first insulating films disposed on a side surface of a base member so as to cover at least part of exposed portions of a first group of said internal electrodes; second insulating films disposed on the side surface of the base member so as to cover at least part of the exposed portions of a second group of said internal electrodes; a first thin-film external electrode continuously provided in the longitudinal direction of the base member on the first insulating films; a second thin-film external electrode continuously provided in the longitudinal direction of the base member on the second insulating film; and a first conductive resin film and a second conductive resin film respectively provided on the first thin-film external electrode and the second thin-film external electrode. By this structure, even if thin-film external electrodes are broken the piezoelectric resonator can function.