Piezoelectric sensor element with at least two single crystal el

Details Piezoelectric sensor element with at least two single crystal el Piezoelectric sensor element with at least two single crystal el

1986-06-10

1987-05-19

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310329, 310365, 310369, H01L 4108

Patent

active

046671277

ABSTRACT:
Individual single crystal elements stacked one above the other are aligned with their optical (Z) axes parallel to each other, and are provided with contact electrodes on opposite surfaces normal to their electrical (X) axes. Contact electrodes of the same polarity are conductively connected by two bridge electrodes that are applied to opposite sides of the assembled stack of individual crystal elements in the form of a conductive coating, and are provided with a lead leaving the sensor element. Contact electrodes of the opposite polarity are recessed in the vicinity of the bridge electrode serve the other polarity.

REFERENCES:
patent: 2988728 (1961-06-01), Marlow
patent: 3281612 (1966-10-01), Hatschek
patent: 3281613 (1966-10-01), Hatschek
patent: 3349259 (1967-10-01), Kistler
patent: 3521090 (1970-07-01), Angeloff
patent: 4523121 (1985-06-01), Takahashi et al.

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