Acoustic matching layer and ultrasonic transducer

Details Acoustic matching layer and ultrasonic transducer Acoustic matching layer and ultrasonic transducer

2005-11-29

2005-11-29

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

Reexamination Certificate

active

06969943

ABSTRACT:
An acoustic matching layer according to the present invention includes a powder of a dry gel. The dry gel preferably has a density of 500 kg/m3or less and an average pore diameter of 100 nm or less. By using the dry gel powder, a variation in the property of the acoustic matching layer can be reduced.

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patent: 10-253604 (1998-09-01), None
patent: 2002-259267 (2002-09-01), None

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