High power ultrasonic transducer

Details High power ultrasonic transducer High power ultrasonic transducer

1999-07-07

2000-10-24

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310344, H01L 4108

Patent

active

061372099

ABSTRACT:
A method to improve the high output characteristics of a ultrasonic transducer 1 by urging a cooling gas 13 to flow through the transducer, thereby passing a cooling member 18 between at least one pair of adjacent piezoelectric elements 6, 7. In a preferred embodiment sulfurhexafluoride (SF.sub.6) is used as cooling gas.

REFERENCES:
patent: 4011474 (1977-03-01), O'Neill
patent: 5955823 (1999-09-01), Nilsson et al.
patent: 6016023 (2000-01-01), Nilsson et al.

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