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Ultrasonic Transducer
Summary
A bonding tool has a driver of piezoelectric elements in a stack. A sensor is positioned and held in the stack and includes a piezoelectric element sandwiched between electrodes and insulating wafers. Voltage developed between the electrodes is monitored and used to determine a bonding parameter, including the amplitude and duration of each ultrasonic burst.
Industry
Biomedical
Sub Group
Medical Imaging
Application Date
40977
Application No.
Others
CHAN WONG Lai-wa Helen
Country/Region
USA
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