Piezoelectric resonator and electronic component containing same

Details Piezoelectric resonator and electronic component containing same Piezoelectric resonator and electronic component containing same

1997-03-31

1999-07-20

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310344, 310348, 310358, 310366, H01L 4108

Patent

active

059259701

ABSTRACT:
A piezoelectric resonator has a base member including laminated piezoelectric layers and internal electrodes. The base member is polarized in different directions at both sides of each internal electrode. The internal electrodes are alternately covered by insulating film on opposing side surfaces of the base member. External electrodes are formed on the opposing side surfaces of the base member and the internal electrodes are connected thereto, respectively. At both ends of the base member, inactive sections are formed such that an electric field is not applied to the base member by covering consecutive plural electrodes with the insulating film. The center of the base member serves as an active section since an electric field is applied.

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