Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Ultrasonic transducer and preparation method and application thereof
The invention belongs to the field of medical ultrasonic imaging, and particularly relates to an ultrasonic transducer and a preparation method and application thereof, and the preparation method comprises the following steps: mixing piezoelectric ceramic powder in a solvent, uniformly stirring to prepare precursor slurry, filling the slurry into a template under vacuum, and volatilizing the solvent to obtain a precursor array; performing hot pressed sintering to remove the template; the method comprises the following steps: filling and curing epoxy resin, grinding and thinning, sputtering an Au electrode, and polarizing to obtain a ceramic linear array with piezoelectric property; a cable is connected to one side of the ceramic linear array, a backing layer is poured, wiring is conducted on the other side of the ceramic linear array through a flexible circuit board, then a matching layer and an acoustic lens are sequentially pasted on the flexible circuit board, packaging is conducted, and the ultrasonic linear array transducer is obtained. Compared with the prior art, the method solves the cost problems of expensive equipment, long consumed time and the like caused by mechanical scribing in the prior art.
本发明属于医学超声成像领域，具体涉及一种超声换能器及其制备方法和应用，包括如下步骤：将压电陶瓷粉末混合于溶剂中，搅拌均匀制得前体浆料，将浆料在真空下填充至模板中并使溶剂挥发得到前驱体阵列；然后热压烧结除去模板；通过环氧树脂填充固化、研磨减薄，并溅射Au电极、极化得到具有压电性能的陶瓷线阵；在陶瓷线阵的一侧连接电缆并灌注背衬层，于陶瓷线阵的另一侧通过柔性电路板接线，然后在柔性电路板上依次粘贴匹配层和声透镜并进行封装，获得超声线阵换能器。与现有技术相比，本发明解决现有技术中机械划片所带来的设备昂贵、耗时长等成本问题。
Ultrasonic transducer and preparation method and application thereof
The invention belongs to the field of medical ultrasonic imaging, and particularly relates to an ultrasonic transducer and a preparation method and application thereof, and the preparation method comprises the following steps: mixing piezoelectric ceramic powder in a solvent, uniformly stirring to prepare precursor slurry, filling the slurry into a template under vacuum, and volatilizing the solvent to obtain a precursor array; performing hot pressed sintering to remove the template; the method comprises the following steps: filling and curing epoxy resin, grinding and thinning, sputtering an Au electrode, and polarizing to obtain a ceramic linear array with piezoelectric property; a cable is connected to one side of the ceramic linear array, a backing layer is poured, wiring is conducted on the other side of the ceramic linear array through a flexible circuit board, then a matching layer and an acoustic lens are sequentially pasted on the flexible circuit board, packaging is conducted, and the ultrasonic linear array transducer is obtained. Compared with the prior art, the method solves the cost problems of expensive equipment, long consumed time and the like caused by mechanical scribing in the prior art.
本发明属于医学超声成像领域，具体涉及一种超声换能器及其制备方法和应用，包括如下步骤：将压电陶瓷粉末混合于溶剂中，搅拌均匀制得前体浆料，将浆料在真空下填充至模板中并使溶剂挥发得到前驱体阵列；然后热压烧结除去模板；通过环氧树脂填充固化、研磨减薄，并溅射Au电极、极化得到具有压电性能的陶瓷线阵；在陶瓷线阵的一侧连接电缆并灌注背衬层，于陶瓷线阵的另一侧通过柔性电路板接线，然后在柔性电路板上依次粘贴匹配层和声透镜并进行封装，获得超声线阵换能器。与现有技术相比，本发明解决现有技术中机械划片所带来的设备昂贵、耗时长等成本问题。
Ultrasonic transducer and preparation method and application thereof
一种超声换能器及其制备方法和应用
LI XIAOBING (Autor:in) / SU YIFAN (Autor:in)
19.01.2024
Patent
Elektronische Ressource
Chinesisch
ULTRASONIC TRANSDUCER AND MANUFACTURING METHOD THEREOF
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