Piezoelectric resonator and electronic component including same

Details Piezoelectric resonator and electronic component including same Piezoelectric resonator and electronic component including same

1998-04-22

2000-08-01

Ramirez, Nestor

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310348, 310359, H01L 4108

Patent

active

060971347

ABSTRACT:
A piezoelectric resonator having a small spurious resonance and a large difference .DELTA.F between the resonant frequency and the antiresonant frequency has a compact size and an external electrode has a structure which prevents damage or breaking of the external electrode. The piezoelectric resonator has a substantially rectangular-parallelepiped base member which includes a plurality of laminated piezoelectric layers. A middle portion of the piezoelectric layers is polarized in opposite directions relative to each other. On main surfaces of the middle part of the piezoelectric layers, first and second groups of inner electrodes and are exposed alternately at both side surfaces of the base member. On both side surfaces of the base member, first and second external electrodes are arranged so as to alternately connect to the first and second groups of inner electrodes.

REFERENCES:
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