ULTRASONIC TRANSDUCER AND ULTRASONIC FLOW METER

摘要

An ultrasonic transducer, comprising a coupling element which has a first recess, the first recess being provided for the arrangement of a piezoelectric element which feeds an ultrasound signal into the coupling element, and there being disposed between the piezoelectric element and the coupling element an intermediate layer which comprises a metal disc, the metal disc comprising retaining elements each with a first segment lying on the same plane as the metal disc and projecting radially from the perimeter of the metal disc and each having a second segment which adjoins the first segment, projects from the plane of the metal plate and is connected to the first segment.