Stack-type piezoelectric element, process for producing the same

Details Stack-type piezoelectric element, process for producing the same Stack-type piezoelectric element, process for producing the same

1990-08-29

1993-03-23

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310363, 310364, 310358, H01L 4108

Patent

active

051967561

ABSTRACT:
According to the present invention, there are provided a stack-type piezoelectric element constructed of a stacked body comprising plural layers of sintered piezoelectric ceramic material and electrodes which lie between the respective layers of the piezoelectric ceramic material, wherein said electrodes are formed of a material capable of diffusion-bonding with said piezoelectric ceramic material at a lower temperature than the sintering temperature of said ceramic material, a process for producing the same, and a stack-type piezoelectric device using said stack-type piezoelectric element.

REFERENCES:
patent: 2497666 (1950-02-01), Grauley
patent: 2641718 (1953-06-01), Samuelson
patent: 3317762 (1967-05-01), Corwin et al.
patent: 3573669 (1971-04-01), Papadakis
patent: 3590287 (1971-06-01), Berlincourt
patent: 4477952 (1984-10-01), Crescenzi et al.
patent: 4564782 (1986-01-01), Ogawa
patent: 4845399 (1989-07-01), Yasuda et al.
patent: 4848643 (1989-07-01), Frische et al.

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