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1. 发明授权

US06837856B2 Ultrasonic search unit and method for producing the same 有权
标题翻译：超声波搜索单元及其制造方法
公开(公告)号：US06837856B2
公开(公告)日：2005-01-04
申请号：US10137892
申请日：2002-05-03
申请人： Kiyoshi Fujii , Yasushi Koishihara
发明人： Kiyoshi Fujii , Yasushi Koishihara
IPC分类号： B06B1/06 , B29C35/02 , B29C35/08 , B29C37/00 , B29C67/00 , G01N29/24 , G10K11/30 , A61B8/14
CPC分类号： A61B8/14 , B06B1/067 , B29C35/0266 , B29C35/0805 , B29C37/006 , B29C64/135 , B29C2035/0838 , B29K2105/16 , B29K2995/0001 , B29K2995/0064 , G01N29/2437 , G01N2291/02466 , G01N2291/02475 , G10K11/30
摘要： An ultrasonic search unit includes a piezoelectric element for transmitting/receiving an ultrasonic wave, and an acoustic matching layer for transmitting the ultrasonic wave transmitted/received by the piezoelectric element to a subject to be measured, wherein the acoustic matching layer is formed of a cured layer obtained by irradiating a resin for optical forming with laser light. It also may be possible that the acoustic matching layer is formed of a plurality of stacked layers, and different fillers are mixed in the respective layers, whereby the acoustic impedance of the respective layers is changed. A liquid resin for optical forming is supplied to a tank, and is cured to a predetermined shape by irradiation with laser light. Accordingly, an ultrasonic search unit and a method for producing the same are provided, in which an acoustic matching layer with a required thickness is formed with good precision without being bonded, whereby a variation in thickness of adhesive layers, a variation in characteristics caused by air bubbles, and degradation are unlikely to occur.
摘要翻译：超声波搜索单元包括用于发送/接收超声波的压电元件和用于将由压电元件发送/接收的超声波发送到被测量对象的声匹配层，其中声匹配层由固化通过用激光照射用于光学成形的树脂而获得的层。还可能的是，声匹配层由多层堆叠形成，并且在各层中混合不同的填料，由此改变各层的声阻抗。用于光学成形的液体树脂被供应到罐中，并且通过用激光照射被固化成预定的形状。因此，提供一种超声波搜索单元及其制造方法，其中具有所需厚度的声匹配层以良好的精度形成，而不粘结，由此粘合剂层的厚度变化，由气泡和降解不太可能发生。

2. 发明授权

US06551247B2 Ultrasonic probe 有权
标题翻译：超声波探头
公开(公告)号：US06551247B2
公开(公告)日：2003-04-22
申请号：US09777670
申请日：2001-02-07
申请人： Koetsu Saito , Yasushi Koishihara , Junichi Takeda , Hirokazu Fukase
发明人： Koetsu Saito , Yasushi Koishihara , Junichi Takeda , Hirokazu Fukase
IPC分类号： A61B814
CPC分类号： B06B1/067 , G10K11/02
摘要： Disclosed is an ultrasonic probe of high performance and high quality. The ultrasonic probe comprises a high molecular material having a conductive layer and is disposed between a piezoelectric element and an acoustic matching layer. The high molecular material has an acoustic impedance substantially equal to that of the acoustic matching layer. The ultrasonic probe thus configured can be formed into a slim shape which is easy to operate without degrading the performance thereof, such as sensitivity or frequency characteristics or the like. The ultrasonic probe is structured so as not to cause an electrical problem due to breakage of wire even if the piezoelectric element is cracked by a mechanical impact or the like, and thus a high quality ultrasonic probe can be provided, and noise can be reduced.
摘要翻译：公开了一种高性能，高质量的超声波探头。超声波探头包括具有导电层的高分子材料，并且设置在压电元件和声匹配层之间。高分子材料的声阻抗基本上等于声匹配层的声阻抗。如此构造的超声波探头可以形成为容易操作的薄型，而不会降低其性能，例如灵敏度或频率特性等。超声波探头被构造为即使压电元件由于机械冲击等而破裂也不会由于线材断裂而引起电气问题，因此可以提供高质量的超声波探头，并且可以降低噪声。

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