Two-dimensional ultrasonic transducer array having transducer elements in a non-rectangular or hexagonal grid for medical diagnostic ultrasonic imaging and ultrasound imaging system using same
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United States of America Patent
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Jan 7, 2003
Issued Date -
N/A
app pub date -
Mar 31, 2000
filing date -
Mar 31, 2000
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Abstract
Two-dimensional transducer arrays used for one-, two- and three-dimensional medical diagnostic ultrasonic imaging. The transducer arrays have transducer elements that are arranged in a non-rectangular, and preferably hexagonal grid. In a preferred embodiment, the transducer array has hexagonally shaped transducer elements. The transducer arrays may be fabricated as single or multiple layer structures. Sparse transducer arrays may be fabricated in a hexagonal grid by connecting selected transducer elements to the imaging system. Also, the transducer array may comprise random, vernier and spiral arrays fabricated in a hexagonal grid.
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