Transducer plate for piezoelectric transducers

Details Transducer plate for piezoelectric transducers Transducer plate for piezoelectric transducers

1984-07-13

1986-12-23

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310324, H01L 4108

Patent

active

046314369

ABSTRACT:
A transducer plate comprises electrically-conductive material on both sides and carries a respective piezoceramic on each side which has a respective electrode. The piezoceramics are electrically connected in parallel and are connected to the transducer plate via a respective, insulating adhesive layer. For the purpose of contacting the two inner electrodes, a passage is provided in the transducer plate and a connector ribbon is located between the adhesive layer and the inner electrode of one side and extends through the passage 2 to a position between the inner electrode and the adhesive layer of the other side. Only a single connector ribbon is therefore required for the pressure contacting of the two inner electrodes. Apparatus for threading the connector ribbon through the passage comprises bed dies having guide channels for the connector ribbon, whereby the connector ribbon is threaded through the passage either by way of a hob extruding die or by way of a curved-shaped surface of a guide channel.

REFERENCES:
patent: 2105011 (1938-01-01), Williams
patent: 2479926 (1949-08-01), Gravley
patent: 3084228 (1963-04-01), Shiga
patent: 3153156 (1964-10-01), Watlington
patent: 4240002 (1980-12-01), Tosi et al.
patent: 4475014 (1984-10-01), King
patent: 4496871 (1985-01-01), Sumita et al.

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