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Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
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机译:具有频率控制的二维能力的宽带相控阵换能器设计及其制造方法
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摘要
There is provided a transducer array with a plurality of piezoelectric elements having a minimum and maximum thickness. In one embodiment, the maximum thickness is less than or equal to 140 percent of the minimum thickness. In an alternate embodiment, the maximum thickness is greater than 140 percent of the minimum thickness and the transducer array is capable of simulating the excitation of a wider aperture two- dimensional transducer array. One or more matching layers may be used to further increase bandwidth performance. In addition, a two crystal transducer element as well as a composite transducer structure may be formed using the principles of this invention.
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