interdigital transducer


Also found in: Wikipedia.

interdigital transducer

[‚in·tər′dij·əd·əl tranz′dü·sər]
(electronics)
Two interlocking comb-shaped metallic patterns applied to a piezoelectric substrate such as quartz or lithium niobate, used for converting microwave voltages to surface acoustic waves, or vice versa.
References in periodicals archive ?
The acoustic tweezers are manufactured by fabricating an interdigital transducer onto a piezoelectric chip surface.