Sheet-like piezoelectric element

Details Sheet-like piezoelectric element Sheet-like piezoelectric element

1985-06-14

1987-01-20

Salce, Patrick R.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310325, 310359, 310365, H01L 4108

Patent

active

046382062

ABSTRACT:
Sheet-like piezoelectric element in which a plurality of slits are formed between the comb-shaped electrodes alternately projected in a zigzag shape from a pair of terminals arranged oppositely, a piezoelectric layer of composite piezoelectric material is filled into the slits, a DC voltage is applied between the terminals to polarize the adjacent layers in reverse directions to each other, and the electrodes have a thickness corresponding to that of the piezoelectric layer. The element may be used for an electro-mechanical transducer or a thermal-electric transducer.

REFERENCES:
patent: 2540194 (1951-02-01), Ellett
patent: 2540412 (1951-02-01), Adler
patent: 2836737 (1958-05-01), Crownover
patent: 3114849 (1963-12-01), Poschenrieder
patent: 3175107 (1965-03-01), Brussaard et al.
patent: 3365592 (1968-01-01), Krautwald et al.
patent: 4350916 (1982-09-01), August et al.
patent: 4407054 (1983-10-01), Zipfel, Jr.

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