Ultrasonic transducer and ultrasonic vibration device using...

Details Ultrasonic transducer and ultrasonic vibration device using... Ultrasonic transducer and ultrasonic vibration device using...

2004-03-11

2008-03-04

Dougherty, Thomas M. (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Reciprocating

Reexamination Certificate

active

07339291

ABSTRACT:
An ultrasonic transducer includes a giant magnetostrictive rod12of a columnar shape which is made of a giant magnetostrictive member, and vibration plates14and16which are made of plate members having a larger diameter than that of the giant magnetostrictive rod12and are adhered and fixed to end surfaces in an axial direction of this giant magnetostrictive rod12. The ultrasonic transducer can efficiently transmit ultrasonic vibration by expansion and contraction of the magnetostrictive rod in spite of a small and simple structure.

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