Abstract
This invention is a method of manufacturing high-power sandwich type ultrasonic transducers (82), and more particularly, a new method of tuning high-power sandwich type ultrasonic transducers (86) without the need for a trimming process. A method in accordance with the present invention includes the steps of assembling a sandwich type ultrasonic transducer (82), measuring the resonant frequency of the ultrasonic transducer (82), and selecting from a plurality of tuning elements (50), whereby a dimension or material property of a selected tuning element alters the measured resonant frequency of the ultrasonic transducer (82) to a desired resonant frequency after the tuning element (50) is attached to the ultrasonic transducer (82).
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