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    Ultrasonic transducer and method for manufacturing the same
    1.
    发明授权
    Ultrasonic transducer and method for manufacturing the same 有权
    超声波换能器及其制造方法

    公开(公告)号：US06278224B1

    公开(公告)日：2001-08-21

    申请号：US09363633

    申请日：1999-07-29

    申请人： Yukihiko Sawada ,  Tomoki Funakubo ,  Katsuhiro Wakabayashi ,  Shinan Wang ,  Masayoshi Esashi

    发明人： Yukihiko Sawada ,  Tomoki Funakubo ,  Katsuhiro Wakabayashi ,  Shinan Wang ,  Masayoshi Esashi

    IPC分类号： H01L4108

    CPC分类号： B06B1/0622

    摘要： An ultrasonic transducer comprising, a piezoelectric block which is formed into a plurality of piezoelectric segments by way of one or more slots, spaced apart, on one main surface of the block, the segments being connected with each other at one and the other of the opposed main surfaces of the block, an organic filler filled at least partially in the slots, a first and a second electrodes formed respectively on the one and the other of the continuous main surfaces of the segments, an acoustic matching layer formed on the one main surface of the piezoelectric block, and a backing material formed on the other main surface of the piezoelectric block.

    摘要翻译： 一种超声波换能器，包括：压电块，其在所述块的一个主表面上通过间隔开的一个或多个槽形成为多个压电段，所述段彼此相互连接， 所述块的相对的主表面，至少部分地填充在所述槽中的有机填料，分别形成在所述段的连续主表面中的一个和另一个上的第一和第二电极，形成在所述一个主体上的声匹配层 压电块的表面和形成在压电块的另一个主表面上的背衬材料。

    Ultrasonic transducer array
    3.
    发明授权
    Ultrasonic transducer array 有权
    超音波换能器阵列

    公开(公告)号：US06821253B2

    公开(公告)日：2004-11-23

    申请号：US10391037

    申请日：2003-03-17

    申请人： Katsuhiro Wakabayashi ,  Yukihiko Sawada ,  Sayuri Sato ,  Akiko Mizunuma ,  Takuya Imahashi ,  Tomoki Funakubo

    发明人： Katsuhiro Wakabayashi ,  Yukihiko Sawada ,  Sayuri Sato ,  Akiko Mizunuma ,  Takuya Imahashi ,  Tomoki Funakubo

    IPC分类号： A61B800

    CPC分类号： B06B1/0622

    摘要： By bonding a conductive first matching layer 14 to the acoustic radiation surface side, which is the bottom side, of a belt-shape piezoelectric element on both faces with electrodes provided, and using a dicing machine to form divided grooves 16, an array of piezoelectric elements 6, 6, . . . , 6 is formed in the element array direction. By deepening the divided grooves 16, generation of cross talk can be prevented, and by filling the portions of the divided grooves 16 not in contact with the piezoelectric elements 6 with a conductive adhesive 17, a reduction in strength due to formation of the divided grooves 16 can be prevented, and a common connection between the ground electrode 13b on the bottom surface of each piezoelectric element 6 and the conductive first matching layer 14 can be reliably secured.

    摘要翻译： 通过将导电性第一匹配层14与设置有电极的两面上的带状压电元件的底面的声辐射面侧接合，使用切割机形成分割槽16，将压电体 元素6,6。 。 。 ，6形成在元件排列方向上。 通过加深分割槽16，可以防止串扰的产生，并且通过用导电粘合剂17填充未与压电元件6接触的分隔槽16的部分，由于形成分隔槽而导致的强度降低 能够可靠地确保各压电元件6的底面的接地电极13b与导电性第一匹配层14之间的公共连接。

    Ultrasound transducer array
    4.
    发明授权
    Ultrasound transducer array 有权
    超声换能器阵列

    公开(公告)号：US06558323B2

    公开(公告)日：2003-05-06

    申请号：US09998982

    申请日：2001-11-30

    申请人： Katsuhiro Wakabayashi ,  Yukihiko Sawada ,  Sayuri Sato ,  Akiko Mizunuma ,  Takuya Imahashi ,  Tomoki Funakubo

    发明人： Katsuhiro Wakabayashi ,  Yukihiko Sawada ,  Sayuri Sato ,  Akiko Mizunuma ,  Takuya Imahashi ,  Tomoki Funakubo

    IPC分类号： A61B800

    CPC分类号： B06B1/0622

    摘要： By bonding a conductive first matching layer 14 to the acoustic radiation surface side, which is the bottom side, of a belt-shape piezoelectric element on both faces with electrodes provided, and using a dicing machine to form divided grooves 16, an array of piezoelectric elements 6, 6, . . . , 6 is formed in the element array direction. By deepening the divided grooves 16, generation of cross talk can be prevented, and by filling the portions of the divided grooves 16 not in contact with the piezoelectric elements 6 with a conductive adhesive 17, a reduction in strength due to formation of the divided grooves 16 can be prevented, and a common connection between the ground electrode 13b on the bottom surface of each piezoelectric element 6 and the conductive first matching layer 14 can be reliably secured.

    摘要翻译： 通过将导电性第一匹配层14与设置有电极的两面上的带状压电元件的底面的声辐射面侧接合，使用切割机形成分割槽16，将压电体 元素6,6。 。 。 ，6形成在元件排列方向上。 通过加深分割槽16，可以防止串扰的产生，并且通过用导电粘合剂17填充不与压电元件6接触的分隔槽16的部分，由于形成分隔槽而导致的强度降低 能够可靠地确保各压电元件6的底面的接地电极13b与导电性第一匹配层14之间的公共连接。

    Two-dimensionally driving ultrasonic motor
    5.
    发明授权
    Two-dimensionally driving ultrasonic motor 失效
    二维驱动超声波电机

    公开(公告)号：US5345137A

    公开(公告)日：1994-09-06

    申请号：US865345

    申请日：1992-04-08

    申请人： Tomoki Funakubo ,  Katsuhiro Wakabayashi

    发明人： Tomoki Funakubo ,  Katsuhiro Wakabayashi

    IPC分类号： H01L41/083 ,  H01L41/09 ,  H02N2/16 ,  H01L41/08

    CPC分类号： H01L41/0913 ,  H01L41/083 ,  H01L41/0833 ,  H01L41/092 ,  H02N2/0035 ,  H02N2/026 ,  H02N2/028 ,  H02N2/04

    摘要： This two-dimensional driving ultrasonic motor comprises a first electro-mechanical energy converting device consisting of an ultrasonic vibrator having a unidirectional polarizing process applied to the entire surface; a second electro-mechanical energy converting device consisting of an ultrasonic vibrator laminated on this first electro-mechanical energy converting device and having a reversely directed polarizing process applied with a central line segment serving as a boundary between the oppositely polarized areas; a third electro-mechanical energy converting device consisting of an ultrasonic vibrator laminated on the first and second electro-mechanical energy converting devices and having a reversely directed polarizing process applied with a line segment serving as a boundary between the oppositely polarized areas, the second and third devices being aligned so that the line segments intersect at right angles; a friction member fixed to the lamination end of the laminated electro-mechanical energy converting devices; and a driven member pressed against this friction member under a predetermined pressure.

    摘要翻译： 该二维驱动超声波马达包括：第一机电能量转换装置，其由施加到整个表面的单向偏振方法的超声波振动器组成; 第二机电能量转换装置，其由层叠在该第一机电能量转换装置上的超声波振动器组成，并且具有反向定向的偏振方法，该反射方向应用作为相反偏振区域之间的边界的中心线段; 第三机电能量转换装置，其由层叠在第一和第二机电能量转换装置上的超声波振动器组成，并且具有反向定向的偏振方法，该反射方向施加有用作相对极化区域之间的边界的线段，第二和 第三装置对准，使得线段以直角相交; 摩擦构件固定到层压机电能转换装置的层压端; 以及在预定压力下压靠该摩擦构件的从动构件。

    Method of working piezoelectric substance and method of manufacturing composite piezoelectric substance
    6.
    发明授权
    Method of working piezoelectric substance and method of manufacturing composite piezoelectric substance 有权
    压电材料的制作方法及复合压电体制造方法

    公开(公告)号：US06566265B2

    公开(公告)日：2003-05-20

    申请号：US09859844

    申请日：2001-05-17

    申请人： Masayoshi Esashi ,  Takashi Abe ,  Katsuhiro Wakabayashi

    发明人： Masayoshi Esashi ,  Takashi Abe ,  Katsuhiro Wakabayashi

    IPC分类号： H01L21302

    CPC分类号： H01L41/37 ,  H01L41/332 ,  Y10T29/42 ,  Y10T29/49155 ,  Y10T29/49156 ,  Y10T29/49165

    摘要： A method of working a piezoelectric substance, which comprises the steps of, forming, on one surface of a piezoelectric block, an etching mask having an aperture which defines a boundary region between a first piezoelectric segment to be removed, and a second piezoelectric segment to be left remained, forming, on the opposite surface of the piezoelectric block, a sacrificial layer which corresponds to the first piezoelectric segment to be removed and the boundary region, etching the piezoelectric block in the boundary region to reach the sacrificial layer, and eliminating the sacrificial layer to remove the first piezoelectric segment.

    摘要翻译： 一种压电物质的加工方法，其特征在于，在压电体块的一个面上形成具有限定了要去除的第一压电片段与第二压电片段之间的边界区域的孔的蚀刻掩模， 留下，在压电块的相对表面上形成对应于要去除的第一压电段和边界区域的牺牲层，蚀刻边界区域中的压电块以到达牺牲层，并且消除 牺牲层去除第一压电段。

    Ultrasonic endoscope
    8.
    发明授权
    Ultrasonic endoscope 有权
    超声内窥镜

    公开(公告)号：US08066643B2

    公开(公告)日：2011-11-29

    申请号：US11666779

    申请日：2005-10-04

    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： A61B8/00

    CPC分类号： A61B8/12 ,  A61B8/445 ,  A61B8/4483 ,  B06B1/0633

    摘要： The present invention provides an ultrasonic endoscope, comprising: an ultrasonic transducer in a cylindrical shape including a plurality of piezoelectric devices, an acoustic matching layer stacked on a principal plane on a sound emitting plane side, an acoustic lens on a plane of the acoustic matching layer opposite to a plane facing the piezoelectric devices, and a backing material stacked on another principal planes of the piezoelectric devices; an endoscopic observation and endo-therapy unit provided, for performing endoscopic image observation, at a proximal end side of the ultrasonic transducer; a cable assembly including a plurality of cables for transmitting signals to and from the ultrasonic transducer. In the above configuration, the cable assembly is arranged in such a manner that the cable assembly passes through an inside portion of the ultrasonic transducer, and is connected to the ultrasonic transducer at a distal end side of the ultrasonic transducer. Thereby, an ultrasonic endoscope is provided that has an ultrasonic transducer in which the ultrasonic transducer and coaxial cables will not be disconnected even under thermal or mechanical loads.

    摘要翻译： 本发明提供一种超声波内窥镜，其特征在于，包括：圆筒状的超声波振子，包括多个压电元件，声发射平面侧的主平面上叠加的声匹配层，声匹配平面上的声透镜 与面向压电元件的平面相对的层，以及堆叠在压电器件的另一个主平面上的背衬材料; 在超声波换能器的基端侧设置有用于进行内窥镜图像观察的内窥镜观察和内窥治疗单元; 电缆组件，其包括用于向超声换能器发送信号的多条电缆。 在上述结构中，电缆组件布置成使得电缆组件穿过超声波换能器的内部，并且在超声波换能器的远端侧连接到超声换能器。 因此，提供了具有超声波换能器的超声波内窥镜，其中即使在热或机械负载下，超声波换能器和同轴电缆也不会断开。

    Ultrasound Endoscope
    10.
    发明申请
    Ultrasound Endoscope 审中-公开
    超声内窥镜

    公开(公告)号：US20080119738A1

    公开(公告)日：2008-05-22

    申请号：US11883754

    申请日：2005-12-29

    申请人： Takuya Imahashi ,  Katsuhiro Wakabayashi ,  Yukihiko Sawada ,  Akiko Mizunuma ,  Hidemichi Aoki ,  Sunao Sato

    发明人： Takuya Imahashi ,  Katsuhiro Wakabayashi ,  Yukihiko Sawada ,  Akiko Mizunuma ,  Hidemichi Aoki ,  Sunao Sato

    IPC分类号： A61B8/12 ,  A61B1/005

    CPC分类号： A61B1/0055 ,  A61B1/00071 ,  A61B1/00094 ,  A61B1/00096 ,  A61B1/00114 ,  A61B1/00119 ,  A61B8/12 ,  A61B8/445 ,  A61B8/4488

    摘要： An ultrasound endoscope comprises an ultrasonic probe where a plurality of ultrasonic transducer elements for transmitting/receiving ultrasounds are arranged in a nearly cylindrical form, a distal rigid section which configures the tip of an endoscopic insertion tube and in which the ultrasonic probe is provided, a bending tube to which the distal rigid section is connected and which bends with remote operation, a flexible tube connected to the bending tube, and a signal line bundle which is a bundle of signal lines corresponding to respective ultrasonic transducer elements for transmitting a drive signal driving each of the ultrasonic transducer elements and which passes through the insides of the distal rigid section, the bending tube, and the flexible tube. The signal line bundle is covered with a binding member for binding the signal line bundle, and the binding force of the binding member which covers an area of the signal line bundle in a predetermined range in the signal line bundle included in the bending tube is made smaller than the binding force of the binding member which covers the signal line bundle in areas other than the predetermined range.

    摘要翻译： 超声波内窥镜包括：超声波探头，其中用于发送/接收超声波的多个超声波换能器元件以近似圆柱形的形式布置;构造内窥镜插入管的尖端的远端刚性部分，其中设置有超声波探头， 弯曲管，其远端刚性部分连接到其上并且远程操作弯曲;连接到弯曲管的柔性管;以及信号线束，其是对应于各个超声波换能器元件的信号线束，用于传输驱动信号驱动 每个超声换能器元件并且穿过远端刚性部分，弯曲管和柔性管的内部。 信号线束被用于绑定信号线束的装订构件覆盖，并且制成覆盖在弯曲管中包括的信号线束中的预定范围内的信号线束的区域的绑定构件的绑定力 小于在预定范围以外的区域中覆盖信号线束的装订构件的绑定力。