A method and apparatus for evaluating the end cap round transducer horn assemblies used in debubbling operations wherein the ECR THA can be evaluated off-line at both high and low power and on-line by making electrical measurements on the ECR THA. The electrical measurements are used to characterize...http://www.google.de/patents/US6053028?utm_source=gb-gplus-sharePatent US6053028 - Method and apparatus for testing transducer horn assembly for testing transducer horn assembly debubbling devices
