单阿基米德螺旋紧密排列相控阵HIFU

2014 IEEE International Ultrasonics Symposium Pub Date : 2014-10-23 DOI:10.1109/ULTSYM.2014.0099

Kyle Morrison, G. Keilman, P. Kaczkowski

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引用次数: 6

摘要

本文介绍了一系列高强度聚焦超声(HIFU)相控阵换能器，其单阿基米德螺旋密排元件排列在从中心轴向外延伸的球面上。仿真和测量表明，在球形碗上使用螺旋元件可以减少光栅侧瓣，同时最大限度地提高焦点处的功率密度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Single archimedean spiral close packed phased array HIFU

This paper describes a series of high intensity focused ultrasound (HIFU) phased array transducers with a single Archimedean spiral close packed element arrangement on a spherical surface extending from the central axis outward. Simulation and measurement reveal using the spiral element arrangement on a spherical bowl reduces grating side lobes while maximizing power density at the focus.

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2014 IEEE International Ultrasonics Symposium

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