Lead structure for a piezoelectric array-type ultrasonic probe

Details Lead structure for a piezoelectric array-type ultrasonic probe Lead structure for a piezoelectric array-type ultrasonic probe

1985-02-20

1986-09-09

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

174 52FP, 361404, 310335, 310365, H01L 4108

Patent

active

046111417

ABSTRACT:
An array-type ultrasonic probe for an ultrasonic transducer has a basic structure comprising a substrate on which are successively disposed a plurality of parallel stripe form back electrodes, a polymer piezoelectric film and a front electrode. One end of each stripe-form back electrode is made thin, bent along the side wall of the substrate and connected to a lead wire from the ultrasonic transducer. Such a connection structure allows a tight arrangement of the back electrodes while avoiding contact between the electrodes, thus providing a high resolution to the ultrasonic probe.

REFERENCES:
patent: 3849681 (1974-11-01), Scott, Jr. et al.
patent: 4424465 (1984-01-01), Ohigashi et al.
patent: 4467237 (1984-08-01), Piaget et al.
patent: 4486681 (1984-12-01), Ishigami et al.

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