Ultrasonic transducer
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United States of America Patent
Stats
-
Apr 5, 1988
Grant Date -
N/A
app pub date -
Aug 27, 1986
filing date -
Aug 27, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ultrasonic transducer is comprised of a stack or sandwich of electrostrictive elements, an energy reflecting mass at one end of the column or stack of electrostrictive elements and a pair of laminar plates sandwiching a honeycomb core to constitute an extremely rigid, light mass member contacting a fluid medium in which ultrasonic energy is to be introduced. The output member is characterized by having a high shear modulus and a low density at the opposite end for efficiently coupling the ultrasonic energy into the fluid medium, particularly air and has a narrow beam and a very long range.
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