Ultrasonic transducer

Details Ultrasonic transducer Ultrasonic transducer

2006-05-25

2009-08-11

SanMartin, Jaydi (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C600S459000

Reexamination Certificate

active

07573182

ABSTRACT:
An ultrasonic transducer of the type containing a cylindrical piezoelectric active element mounted on a supporting tube is provided with a backing component made of an electrically and thermally insulating material forming a sleeve which extends between the piezoelectric element and the supporting tube. An insulating material is selected for the backing component which includes a substantial amount of entrained air. Preferably, the backing component is made of expanded polytetrafluoroethylene (EPTFE).

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patent: 0 640 564 (1994-08-01), None

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