Ultrasonic sensor for receiving ultrasonic waves, has piezoelectric element arranged between two electrodes and acoustic adjusting part which has receiving surface for receiving ultrasonic waves

摘要

The ultrasonic sensor (10) has a piezoelectric element, which is arranged between two electrodes. An acoustic adjusting part (12) is provided, which has a receiving surface (12a) for receiving the ultrasonic waves, and has a connection surface connected with the piezoelectric element by a conductive layer. The conductive layer is formed on the connecting surface. A processing circuit is provided for the processing of signals which passes through the piezoelectric element. An independent claim is also included for a method for manufacturing an ultrasonic sensor.