Accession Number : AD0613540

Title :   VAPOR DEPOSITED THIN FILM PIEZOELECTRIC TRANSDUCERS,

Corporate Author : WESTINGHOUSE RESEARCH LABS PITTSBURGH PA

Personal Author(s) : DE Klerk,J. ; kelly,E. F.

Report Date : FEB 1965

Pagination or Media Count : 27

Abstract : A new vapor deposition technique has been developed for the production of insulating thin film CdS and ZnS piezoelectric transducers. These high efficiency transducers have been used to generate either shear or compressional waves in dielectric materials at frequencies in the gigacycle range. The thickness, which is measured by means of a quartz crystal microbalance, is controlled to produce films which operate at their fundamental resonance. The mode of the generated waves is determined by the orientation of the driving electric field with respect to the crystal axes of the film transducer. (Author)

Descriptors :   (*PIEZOELECTRIC TRANSDUCERS, FILMS), (*FILMS, VAPOR PLATING), VACUUM APPARATUS, CADMIUM COMPOUNDS, SULFIDES, ZINC COMPOUNDS, PULSE GENERATORS, MICROWAVE FREQUENCY, ELECTRON DIFFRACTION, CRYSTAL STRUCTURE

Distribution Statement : APPROVED FOR PUBLIC RELEASE