Multi-layered transducer array and method having identical layers
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United States of America Patent
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Jul 13, 2004
Grant Date -
N/A
app pub date -
Feb 28, 2001
filing date -
Feb 28, 2001
priority date (Note) -
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Abstract
Multiple layer elements for a transducer array are provided. Each element comprises two or more layers of transducer material. Various of the elements include one or more of: (1) multiple-layer, multiple-dimensional arrays where the layers are polymericly bonded and electrically connected through asperity contact, (2) multiple layer array of elements where air or gas separates at least two elements, (3) an even number of layers where each layer is electrically connected through asperity contact, (4) multiple-layers where each layer comprises transducer material and electrodes in a substantially same configuration, and (5) electrically isolating electrodes on layers by kerfing or cutting after bonding the layers together.
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