Composite ultrasonic transducer array operating in the K31 mode
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United States of America Patent
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-
Sep 11, 2001
Grant Date -
N/A
app pub date -
Dec 3, 1999
filing date -
Dec 3, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ultrasonic transducer array element operating in the k.sub.31 mode is formed by two piezoelectric subelements joined to form a 2--2 composite by a conductive filler material. An energizing potential is applied to the conductive filler material, and a return potential is applied to the outer opposing faces of the subelements. Preferably the conductive filler material comprises a conductive epoxy. Arrays of such elements in one and two dimensions are formed with the conductive epoxy in alternating kerfs in a row being connected to the opposing polarities of an energizing potential.
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