PHASED ARRAY TRANSDUCER HAVING DIFFERENTLY SIZED TRANSDUCER ELEMENTS FOR IMPROVED ULTRASONIC TESTING

摘要

The invention relates to a device and a method for the non-destructive testing of a test object by means of ultrasound, wherein test heads are in the form of a phased array transducer and have a plurality of transducers (1) of different sizes which are arranged in such a way that large transducers are used for large sound path lengths and small transducers are used for short sound path lengths.