Ultrasonic probe and manufacturing method thereof

Details Ultrasonic probe and manufacturing method thereof Ultrasonic probe and manufacturing method thereof

1997-02-18

1999-03-23

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310334, 310326, 310327, H01L 4108

Patent

active

058864547

ABSTRACT:
An ultrasonic probe includes a plurality of piezoelectric elements arrayed on acoustic absorption backing material with predetermined spaces, a plurality of acoustic matching members formed on the piezoelectric elements and arrayed with gaps smaller than array gaps of the piezoelectric elements, polymer resin with which only the gaps between the piezoelectric elements are filled and having hardness lower than material of the piezoelectric elements, and an acoustic lens formed on the plurality of acoustic matching members.

REFERENCES:
patent: 4571520 (1986-02-01), Saito et al.
patent: 5030874 (1991-07-01), Saito et al.
patent: 5042493 (1991-08-01), Saito et al.

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