Method and apparatus for coupling ultrasound between an integral ultrasonic transducer assembly and an object
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United States of America Patent
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May 12, 2009
Grant Date -
Jan 18, 2007
app pub date -
Sep 1, 2006
filing date -
Mar 13, 2003
priority date (Note) -
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Abstract
A method and apparatus are disclosed for coupling ultrasound between an ultrasonic transducer and an object. A scanning element is attached to an ultrasonic transducer to form an integral transducer assembly in which an ultrasound emitting surface of the ultrasonic transducer is positioned in a fluid cavity of an upper chamber. The ultrasonic transducer assembly may be moved relative to the object to be scanned in order to adjust the focus of the ultrasound. Adjusting a lower wall of the upper chamber in close proximity to the object to be scanned forms a thin film of coupling fluid between a planar region of the lower wall and the upper surface of the object.
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