Title :
Apodised surface-wave transducers
Author_Institution :
Fraunhofer Gesellschaft, Institut fÿr Angewandte Festkörperphysik, Freiburg im Breisgau, West Germany
Abstract :
A new method of fabricating surface-wave interdigital transducers is presented. The method allows a quick and simple variation of the apodisation, and many apodisation functions can be investigated on the same transducer. Results with a filter on yz lithium niobate are presented.
Keywords :
filters; piezoelectric transducers; transducers; ultrasonic transducers; apodisation functions; lithium niobate;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19720357
