Ultrasound transducer and method for making the same
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United States of America Patent
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May 3, 2016
Grant Date -
Mar 21, 2013
app pub date -
Sep 20, 2012
filing date -
Sep 20, 2011
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Abstract
The present application provides a multilayer lateral mode coupling method for phased array construction and transducer devices built accordingly. This disclosure describes and demonstrates that the electrical impedance of a phased array can be substantially reduced and readily controlled to be close to the source impedance. The fabrication process is relatively simple and inexpensive. In addition, the elements are robust for use in 1.5, 2, 3 or other dimensional configurations, over an extended period of operation, without structural failure, and providing a high power output required for imaging and/or medical therapy applications.
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