Process for producing array-type ultrasonic probe

Details Process for producing array-type ultrasonic probe Process for producing array-type ultrasonic probe

1984-10-04

1986-12-16

Goldberg, Howard N.

Metal working

Piezoelectric device making

29418, H04R 1700

Patent

active

046285733

ABSTRACT:
Array type ultrasonic probes including those of the annular array type and the linear array type are produced with a high accuracy of arrangement of unit transducer elements by first providing an integral processed plate wherein unit back electrodes are almost configurated into their final shapes but connected with each other by connecting portions so as to facilitate the handling thereof as an integral plate. The integral processed plate is bonded to a substrate and the connecting portions are removed to leave the back electrodes separately bonded to the substrate. On the back electrodes, a piezoelectric polymer film and a front electrode are applied to give an array type ultrasonic probe adapted for medical diagnosis.

REFERENCES:
patent: 2956184 (1960-10-01), Pollack
patent: 3059130 (1962-10-01), Robins
patent: 4401910 (1983-08-01), Beerman

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