Title :
Piezoelectric coupling coefficient of interdigital Rayleigh-wave transducers
Author :
Redwood, M. ; Milsom, R.F.
Author_Institution :
Queen Mary College, Department of Electrical & Electronic Engineering, London, UK
Abstract :
The letter describes the theoretical dependence of the piezoelectric coupling coefficient and capacitance of an interdigital Rayleigh-wave transducer on the ratio electrode-width/gap-between-electrodes.
Keywords :
capacitance; piezoelectricity; ultrasonic transducers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19700306
