Indium or tin bonded acoustic transducer systems
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United States of America Patent
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Nov 28, 2006
Issued Date -
N/A
app pub date -
Jun 10, 2005
filing date -
Aug 27, 1999
priority date (Note) -
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Abstract
An acoustic transducer comprised of a resonator, an acoustic energy generating means, such as one or more piezoelectric crystals, and a bonding layer comprised of indium or tin for attaching the acoustic energy generating means to the resonator. The resonator comprises a material selected from the group consisting of quartz, sapphire, silicon carbide, silicon nitride, aluminum, ceramics and stainless steel. The resonator may form a detachable part of a container or the acoustic energy generating means may be attached directly to a side or to the bottom of the container, in which case a part of the container acts as the resonator.
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