High power ultrasonic transducer

Details High power ultrasonic transducer High power ultrasonic transducer

1998-05-12

1999-09-21

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310344, H01L 4108

Patent

active

059558237

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 each adjacent pair of 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: 4657358 (1987-04-01), Anthony et al.
patent: 5364711 (1994-11-01), Yamada et al.
patent: 5371429 (1994-12-01), Manna

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