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61. 发明申请

US20080018206A1 Ultrasonic Transducer 有权
标题翻译：超声波传感器
公开(公告)号：US20080018206A1
公开(公告)日：2008-01-24
申请号：US11664708
申请日：2005-09-29
申请人： Takuya Imahashi , Akiko Mizunuma , Yukihiko Sawada , Katsuhiro Wakabayashi , Sunao Sato
发明人： Takuya Imahashi , Akiko Mizunuma , Yukihiko Sawada , Katsuhiro Wakabayashi , Sunao Sato
IPC分类号： H04R17/00 , A61B1/00 , H04R31/00
CPC分类号： A61B8/4483 , A61B8/12 , A61B8/445 , B06B1/0622 , Y10T29/42 , Y10T29/49005
摘要： Disclosed is an ultrasonic transducer which is composed of a plurality of piezoelectric elements having an electrode on each of two opposite surfaces, an acoustic matching layer arranged on the first surface that is one of the two opposite surfaces, a wiring board so arranged on the acoustic matching layer as to be in contact with the piezoelectric element, and a conductor electrically connecting the wiring board with the electrode on the second surface that is one of the two opposite surfaces. This ultrasonic transducer is characterized in that the surface of the wiring board on the same side as the second surface of the piezoelectric element is positioned relatively lower than the second surface of the piezoelectric element.
摘要翻译：公开了一种超声波换能器，其由在两个相对表面中的每一个上具有电极的多个压电元件组成，声匹配层布置在作为两个相对表面中的一个的第一表面上，布置在声学上的布线板匹配层与压电元件接触，以及将布线板与作为两个相对表面之一的第二表面上的电极电连接的导体。该超声波换能器的特征在于，与压电元件的第二面相同的一侧的配线基板的表面位于比压电元件的第二面低的位置。

62. 发明申请

US20060071580A1 Ultrasonic transducer and manufacturing method thereof 有权
标题翻译：超声波换能器及其制造方法
公开(公告)号：US20060071580A1
公开(公告)日：2006-04-06
申请号：US11242414
申请日：2005-10-03
申请人： Yukihiko Sawada
发明人： Yukihiko Sawada
IPC分类号： H01L41/08
CPC分类号： B06B1/067 , B06B1/0633
摘要： An ultrasonic transducer comprises: a piezoelectric member which is provided with electrodes on both plane portions and which is fixed and disposed such that part of an acoustic matching layer protrudes at a predetermined position of the hard layer which makes up the acoustic matching layer; and a substrate which is formed with an electroconductive pattern and which is fixed and disposed on the face of the hard layer; wherein with such a disposed state, the piezoelectric member and the substrate are divided to array the plurality of piezoelectric devices; and wherein the electroconductive pattern of the substrate, and at least part of the electrodes of the piezoelectric member which is electrically connected to at least part of this electroconductive pattern are directed in the same direction, this substrate is disposed adjacent to the piezoelectric member, and the electroconductive pattern on the substrate and the electrodes of the piezoelectric member, which are divided, are electrically connected via an electroconductive member respectively.
摘要翻译：一种超声波换能器包括：压电元件，其在两个平面部分上设置有电极，并且固定和布置使得声匹配层的一部分在组成声匹配层的硬层的预定位置处突出; 以及形成有导电图案并固定并设置在硬质层的表面上的基板; 其中，通过这样的配置状态，压电部件和基板被分割成多个压电元件排列; 并且其中，所述基板的导电图案以及与所述导电图案的至少一部分电连接的所述压电部件的电极的至少一部分朝向相同的方向，所述基板与所述压电部件相邻配置，基板上的导电图案和被分割的压电元件的电极分别通过导电元件电连接。

63. 发明授权

US5884627A Ultrasonic probe, ultrasonic probe device. process for producing piezoelectric element for use in ultrasonic probe and ultrasonic probe and ultrasonic diagnostic equipment and system using ultrasonic probe 失效
标题翻译：超声波探头，超声波探头装置。用于生产用于超声波探头和超声波探头的超声波诊断设备及使用超声波探头的系统的压电元件的制造方法
公开(公告)号：US5884627A
公开(公告)日：1999-03-23
申请号：US629312
申请日：1996-04-08
申请人： Katsuhiko Wakabayashi , Yukihiko Sawada , Akiko Mizunuma
发明人： Katsuhiko Wakabayashi , Yukihiko Sawada , Akiko Mizunuma
IPC分类号： H04R17/00 , A61B8/12 , B06B1/06 , H01L41/09 , H01L41/257 , A61B8/00
CPC分类号： A61B8/12 , A61B8/4488 , B06B1/0651 , A61B8/4461
摘要： An ultrasonic probe comprising a coaxial cable 11 capable of transferring an energizing pulse voltage and an echo signal, at least one piezoelectric element 5, an acoustic matching layer 7 disposed on a sound transmitting face side of each piezoelectric element 5 and an acoustic backing layer 8 disposed on its opposite side, the above ultrasonic probe being adapted to transmit and receive an ultrasonic wave, wherein each piezoelectric element 5 has the following distribution of spontaneous polarization according to positions of the piezoelectric element. The spontaneous polarization of the ultrasonic probe of the present invention has differences such that the spontaneous polarization is caused to be strong at a position where the absolute value of Bessel function J.sub.0 (x/a) is large while the spontaneous polarization is weak at a position where the absolute value of J.sub.0 (x/a) is small.
摘要翻译：包括能够传递激励脉冲电压和回波信号的同轴电缆11的超声波探头，至少一个压电元件5，设置在每个压电元件5的声音传播面侧的声匹配层7和声学背衬层8 上述超声波探头设置在其相对侧，适于透射和接收超声波，其中每个压电元件5根据压电元件的位置具有如下的自发极化分布。本发明的超声波探头的自发极化具有差异，使得在Bessel函数绝对值J0（x / a）大的位置处使自发极化强，而位置处的自发极化弱其中J0（x / a）的绝对值较小。

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