Multi-layer element consisting of piezoelectric ceramic laminati

Details Multi-layer element consisting of piezoelectric ceramic laminati Multi-layer element consisting of piezoelectric ceramic laminati

1976-08-31

1978-05-02

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310359, H01L 4104

Patent

active

040877167

ABSTRACT:
A multi-layer element consisting of piezoelectric ceramic laminations possesses partially overlapping metal layers which are electrically connected to one another. Adjacent metal layers can each be connected to different poles of a voltage source, the laminations within the overlap zone of the metal layers being polarized in the thickness direction of the ceramic layers in such a manner that the polarization directions of adjacent laminations are opposite one another. All of the laminations of the multi-layer element exhibit a polarization outboard of the overlap zone in which the polarization is in the same direction.

REFERENCES:
patent: RE27116 (1971-04-01), Miller et al.
patent: 2976501 (1961-03-01), Mattiat
patent: 3271622 (1966-09-01), Malagodi et al.
patent: 3474268 (1969-10-01), Rudnick
patent: 3590287 (1971-06-01), Berlincourt et al.
patent: 3958161 (1976-05-01), Dixon

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