Piezoelectric ceramic laminate device

Details Piezoelectric ceramic laminate device Piezoelectric ceramic laminate device

1992-10-02

1994-04-05

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310328, H01L 4108

Patent

active

053008529

ABSTRACT:
A piezoelectric ceramic laminate device constituted by a plurality of piezoelectric ceramic sheets, wherein the concentration of at least one metal component constituting the piezoelectric ceramic sheets changes substantially along a sinusoidal curve in the laminating direction thereof.

REFERENCES:
patent: 3671784 (1972-06-01), Mitchell
patent: 4570098 (1986-02-01), Tomita et al.
patent: 4686409 (1987-08-01), Kaarmann et al.
patent: 4885498 (1989-12-01), Wakita
patent: 5073740 (1991-12-01), Jomura et al.
patent: 5111356 (1992-05-01), Hardy

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