Piezoelectric flexural transducer and use thereof
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United States of America Patent
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Jun 8, 2004
Grant Date -
Sep 11, 2003
app pub date -
May 12, 2003
filing date -
May 15, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A piezoelectric flexural transducer having an elongated support body (2) which on at least one longitudinal side is provided with a piezoelectric unit (5). The piezoelectric unit (5) has one or more piezoelectric material layers (12) and electrodes (13a and 13b) associated with same. Furthermore, the piezoelectric unit (5) includes an electrically insulating coating surrounding the body (8) right round it, the section (26) of the coatings lying between the piezoelectric body (8) and the support body (2) being provided with one or more electrically conductive vias (27a and 27b). The latter provide the necessary electrical connection between the electrodes (13a and 13b) and the support body (2).
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