Loudspeakers and related acoustic transducers of improved type feature both light weight and energy efficiency of piezoelectric transducers and mechanical coupling efficiency. Active component of transducer made from wafer of "rainbow" piezoelectric material, ceramic piezoelectric material chemically reduced on one face. Chemical treatment forms wafer into dishlike shallow section of sphere. Both faces then coated with electrically conductive surface layers serving as electrodes. Applications include high-fidelity loudspeakers, and underwater echo ranging devices.


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    Title :

    Improved Piezoelectric Loudspeakers And Transducers



    Published in:

    Publication date :

    1995-06-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English





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