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Abstract: In this paper, a piezoelectric micromechanical ultrasonic transducer (PMUT) featuring a "double-circle-ear" cavity structure is proposed on the basis of a circle cavity structure to improve ...

A new ultrasonic time-of-flight (ToF) sensor incorporates a powerful embedded processor and extended memory space for fitting and running a wide range of application algorithms on-chip, completely ...

Abstract: Ultrasonic wireless power transfer (UWPT) is an important branch of wireless power transfer (WPT) technology, which is widely used in closed metal containers for charging and implanted ...

A compact five-element integrated ultrasonic transducer was designed and manufactured for the inspection of defects in the split pins of control rod guide tubes in nuclear power plants. The transducer ...