The present invention provides an ultrasonic inspection assembly having an ultrasonic transducer mounted on a stage, with a support structure below. The support structure is coupled to the stage, and the support structure has an interior space filled with a couplant media. The transducer is oriented...http://www.google.fr/patents/US7021143?utm_source=gb-gplus-shareBrevet US7021143 - Cylindrically-rotating ultrasonic phased array inspection method for resistance spot welds
Cylindrically-rotating ultrasonic phased array inspection method for ...
