ULTRASONIC DEVICE, PROBE, ELECTRONIC DEVICE, AND ULTRASOUND IMAGING APPARATUS
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United States of America Patent
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Jan 30, 2015
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Jan 31, 2014
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Abstract
An ultrasonic device includes a substrate, an acoustic matching layer, an acoustic lens, and a structure. The substrate has an element array including a plurality of thin-film ultrasonic transducer elements arranged in an array form. The acoustic matching layer covers the element array. The acoustic lens is arranged on the acoustic matching layer. The structure is arranged between the acoustic lens and the substrate and has a larger compressive strength than a compressive strength of the acoustic matching layer.
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