Sensitivity and capacitance adjustment method for piezoelectric

Details Sensitivity and capacitance adjustment method for piezoelectric Sensitivity and capacitance adjustment method for piezoelectric

1983-07-28

1984-06-19

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310329, 29 2535, H01L 4108

Patent

active

044555008

ABSTRACT:
A dual-transducer accelerometer, having a liquid inertia mass is disclosed. Each transducer consists of a ceramic PZT piezo-electric wafer glued to a flexible substrate. Certain characteristics of sensitivity and capacitance of one transducer can be matched to similar characteristics of an arbitrarily-selected standard by laser-trimming the ceramic wafer.

REFERENCES:
patent: 2870521 (1959-01-01), Rudnick
patent: 4050126 (1977-09-01), Ikeno

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