公开(公告)号：US08664828B2

公开(公告)日：2014-03-04

申请号：US13645797

申请日：2012-10-05

申请人： Naoki Goto ,  Takao Ohnishi

发明人： Naoki Goto ,  Takao Ohnishi

IPC分类号： G01R29/22 ,  G01H11/00

CPC分类号： H01L41/29 ,  G01N29/12 ,  G01N29/4454 ,  G01N2291/2697 ,  H01L41/047 ,  H01L41/0973 ,  H01L41/253

摘要： There is provided a method for testing a piezoelectric/electrostrictive actuator, wherein the displacement of a piezoelectric/electrostrictive actuator is estimated on the basis of the relations between one or more frequency characteristic values selected from the group consisting of the heights and areas of the peaks of the resonance waveforms and the difference of the maximum and minimum of the first order or first to higher orders of the resonance frequency characteristic values of the piezoelectric/electrostrictive actuator and the k-th order (k=1 to 4) of the first or first to higher orders of resonance frequencies. According to this piezoelectric/electrostrictive actuator testing method, a piezoelectric/electrostrictive actuator can be tested with high precision without actually driving the same as a product and without being accompanied by any disassembly/breakage.

摘要翻译： 提供了一种用于测试压电/电致伸缩致动器的方法，其中基于从由峰的高度和面积组成的组中选择的一个或多个频率特性值之间的关系来估计压电/电致伸缩致动器的位移 的谐振波形以及压电/电致伸缩致动器的谐振频率特性值的第一级或第一级或更高级的最大和最小的差异以及第一级或第二级的第k级（k = 1至4） 首先是高次谐波频率。 根据这种压电/电致伸缩致动器测试方法，可以以高精度测试压电/电致伸缩致动器，而不用将其与产品相同，而不伴随任何拆卸/破损。

公开(公告)号：US08100013B2

公开(公告)日：2012-01-24

申请号：US12710577

申请日：2010-02-23

申请人： Takao Ohnishi ,  Kunihiko Yoshioka ,  Shuhei Fujita

发明人： Takao Ohnishi ,  Kunihiko Yoshioka ,  Shuhei Fujita

IPC分类号： G01H5/00

CPC分类号： G01N9/24 ,  G01N35/1016 ,  G01N2035/1041

摘要： A passage detection apparatus is configured to detect the change in the properties (propagation state of sound wave, dielectric constant, etc.) of a specific space, which changes according to the passage of an object in the specific space and the size of the object. The passage detection apparatus includes a pair of detection units and configured to transmit and receive signals to and from an external device. The specific space is formed by the space between the detection unit and the detection unit. The detection unit is supported by a first substrate. The detection unit is supported by a second substrate that is parallel to the first substrate, and arranged at the position corresponding to the detection unit supported by the first substrate.

摘要翻译： 通过检测装置被配置为检测根据特定空间中的物体的通过和物体的尺寸而变化的特定空间的特性（声波的传播状态，介电常数等）的变化 。 通过检测装置包括一对检测单元，并且被配置为向外部设备发送信号和从外部设备接收信号。 特定空间由检测单元和检测单元之间的空间形成。 检测单元由第一基板支撑。 检测单元由与第一基板平行的第二基板支撑，并且布置在与由第一基板支撑的检测单元对应的位置。

公开(公告)号：US20110289744A1

公开(公告)日：2011-12-01

申请号：US13115442

申请日：2011-05-25

申请人： Takao Ohnishi ,  Hideki Shimizu ,  Takashi Ebigase

发明人： Takao Ohnishi ,  Hideki Shimizu ,  Takashi Ebigase

IPC分类号： H01L41/22

CPC分类号： H01L41/33 ,  C04B35/493 ,  C04B2235/3206 ,  C04B2235/3255 ,  C04B2235/3279 ,  C04B2235/6025 ,  C04B2235/768 ,  H01L41/29 ,  H01L41/43 ,  Y10T29/42

摘要： There is disclosed a method of manufacturing a piezoelectric element including a step of preparing a green sheet A including a portion which becomes a fired piezoelectric body later, by use of a piezoelectric material; a step of joining, to at least one surface of the green sheet A, a green sheet B having an opening in a portion facing the portion which becomes the fired piezoelectric body later, followed by firing to obtain the fired piezoelectric body provided with a reinforcing plate to which the reinforcing plate formed owing to the firing of the green sheet B is attached; and a step of forming a film-like electrode in a portion obtained by the firing of the green sheet A in the fired piezoelectric body provided with the reinforcing plate.

摘要翻译： 公开了一种制造压电元件的方法，包括以下步骤：通过使用压电材料制备包括成为烧结压电体的部分的生片A. 在生坯片A的至少一个表面上接合具有开口的生坯片B，其后面部分成为烧结压电体的部分，然后进行烧制，以获得具有加强层的烧结压电体 安装由于生坯B的烧制而形成的加强板的板; 以及在设置有加强板的烧结压电体中通过焙烧生片A而获得的部分中形成膜状电极的步骤。

公开(公告)号：US07876023B2

公开(公告)日：2011-01-25

申请号：US12317785

申请日：2008-12-30

申请人： Takao Ohnishi ,  Hideki Shimizu ,  Takaaki Koizumi

发明人： Takao Ohnishi ,  Hideki Shimizu ,  Takaaki Koizumi

IPC分类号： H01L41/04 ,  H01L41/08

CPC分类号： G01N29/2462 ,  G01N11/16 ,  G01N29/245 ,  G01N29/32 ,  H01L41/0973 ,  H01L41/319

摘要： Disclosed is a piezoelectric/electrostrictive membrane sensor wherein the main component of terminal electrodes is contained in the vicinity of the surface of a piezoelectric/electrostrictive body. The membrane sensor is hardly electrostatically charged and thus prevented from electrostatic discharge damage and/or the attraction of dust, dirt or the like.

摘要翻译： 公开了一种压电/电致伸缩膜传感器，其中端子电极的主要部件包含在压电/电致伸缩体的表面附近。 膜传感器几乎不被静电充电，因此防止了静电放电损坏和/或灰尘，污垢等的吸引。

公开(公告)号：US20100242242A1

公开(公告)日：2010-09-30

申请号：US12729532

申请日：2010-03-23

申请人： Hideki SHIMIZU ,  Takao Ohnishi ,  Takashi Ebigase ,  Naoki Goto

发明人： Hideki SHIMIZU ,  Takao Ohnishi ,  Takashi Ebigase ,  Naoki Goto

IPC分类号： H04R17/00

CPC分类号： H01L41/094 ,  H01L41/257 ,  Y10T29/42 ,  Y10T29/49155 ,  Y10T29/49163

摘要： There is provided a method for manufacturing a piezoelectric actuator where the planar shape is adjusted by subjecting the piezoelectric body layer located on one of the outer surfaces in the two or more piezoelectric body layers to a polarization treatment to control remnant polarization of the piezoelectric body layer. The piezoelectric actuator is used as a drive portion of a piezoelectric drive type variable capacitor. The variable capacitor has high mechanical strength and excellent reliability for a long period of time. The relation between the displacement amount of the piezoelectric actuator and the capacity of the capacitor is stable, and the variable capacity is wide.

摘要翻译： 提供一种制造压电致动器的方法，其中通过使位于两个或更多个压电体层中的一个外表面上的压电体层进行极化处理来调节压电体层的残留极化，从而调整平面形状 。 压电致动器用作压电驱动型可变电容器的驱动部分。 可变电容器长时间具有高机械强度和优异的可靠性。 压电致动器的位移量与电容器的容量之间的关系是稳定的，并且可变容量很宽。

公开(公告)号：US07707887B2

公开(公告)日：2010-05-04

申请号：US11947120

申请日：2007-11-29

申请人： Takao Ohnishi ,  Kunihiko Yoshioka ,  Shuhei Fujita

发明人： Takao Ohnishi ,  Kunihiko Yoshioka ,  Shuhei Fujita

IPC分类号： G01H5/00

CPC分类号： G01N9/24 ,  G01N35/1016 ,  G01N2035/1041

摘要： A passage detection apparatus is configured to detect the change in the properties (propagation state of sound wave, dielectric constant, etc.) of a specific space, which changes according to the passage of an object in the specific space and the size of the object. The passage detection apparatus includes a pair of detection units configured to transmit and receive signals to and from an external device. The specific space is formed by the space between the first detection unit and the second detection unit. The first detection unit is supported by a first substrate. The second detection unit is supported by a second substrate that is parallel to the first substrate, and arranged at the position corresponding to the first detection unit supported by the first substrate.

摘要翻译： 通过检测装置被配置为检测根据特定空间中的物体的通过和物体的尺寸而变化的特定空间的特性（声波的传播状态，介电常数等）的变化 。 通过检测装置包括一对检测单元，被配置为向外部设备发送信号和从外部设备接收信号。 特定空间由第一检测单元和第二检测单元之间的空间形成。 第一检测单元由第一基板支撑。 第二检测单元由与第一基板平行的第二基板支撑，并且布置在与由第一基板支撑的第一检测单元相对应的位置处。

公开(公告)号：US07615911B2

公开(公告)日：2009-11-10

申请号：US11444276

申请日：2006-05-31

申请人： Kunihiko Yoshioka ,  Takao Ohnishi

发明人： Kunihiko Yoshioka ,  Takao Ohnishi

IPC分类号： H01L41/08

CPC分类号： G01N35/1016 ,  B41J2/125 ,  G01H11/08 ,  G01H13/00 ,  G01N29/022 ,  G01N29/046 ,  G01N29/12 ,  G01N2035/1041 ,  G01N2291/014 ,  G01N2291/022 ,  G01N2291/0427 ,  G01N2291/106

摘要： Disclosed herein is a flight state detection apparatus and a flight state detection method that is capable of accurately detecting the flight state of a micro object ejected from a micro object ejection part. The flight state detection apparatus is constructed in a simplified structure and is manufactured at low costs. The flight state detection apparatus includes a sensor substrate, a piezoelectric/electrostrictive element, and an aperture plate. The sensor substrate includes a thick support part and a vibrating plate supported by the thick support part in a cantilever shape. The piezoelectric/electrostrictive element is mounted to a fixed end side of the vibrating plate. In the aperture plate, an aperture is formed, which is opposite to a target part disposed at a free end side of the vibrating plate. When the micro object passes through the aperture, and then collides with the target part, the vibrating plate is vibrated, and an electromotive force corresponding to the vibration state is generated in the piezoelectric/electrostrictive element.

摘要翻译： 这里公开了一种飞行状态检测装置和飞行状态检测方法，其能够准确地检测从微物体喷射部喷射的微物体的飞行状态。 飞行状态检测装置以简单的结构构造并以低成本制造。 飞行状态检测装置包括传感器基板，压电/电致伸缩元件和孔板。 传感器基板包括厚的支撑部分和由厚支撑部分以悬臂形状支撑的振动板。 压电/电致伸缩元件安装在振动板的固定端侧。 在孔板中，形成与设置在振动板的自由端侧的目标部件相对的孔。 当微物体通过孔，然后与目标部分碰撞时，振动板振动，并且在压电/电致伸缩元件中产生与振动状态相对应的电动势。

公开(公告)号：US07588322B2

公开(公告)日：2009-09-15

申请号：US11669608

申请日：2007-01-31

申请人： Takao Ohnishi ,  Kazuhiro Yamamoto ,  Yoshihiro Iseki ,  Koji Kimura ,  Toshikazu Hirota

发明人： Takao Ohnishi ,  Kazuhiro Yamamoto ,  Yoshihiro Iseki ,  Koji Kimura ,  Toshikazu Hirota

IPC分类号： B41J2/045

CPC分类号： B41J2/14209 ,  B41J2002/14217 ,  B41J2202/11

摘要： A liquid droplet discharging piezoelectric device 1 provided with a cavity member 11 with a built-in cavity 3; an introduction member 13 having introduction channel 5 connecting with the cavity 3; and a nozzle member 12 having nozzle channel 4 connecting with the cavity 3 on a side opposite to the channel 5. This liquid droplet discharging piezoelectric device 1 is provided with an introduction port 6, attached to the introduction member 13, capable of introducing a liquid into the cavity 3 via the introduction channel 5, and a discharge port 7, attached to the nozzle member 12, capable of discharging as droplets a liquid filled in the cavity 3 via the nozzle channel 40. Even in a case where an amount of liquid droplets is of a nanoliter (nl) order, excellent stability and reproducibility are attained, and the unit can stably be operated when attached to an apparatus.

摘要翻译： 具有内置空腔3的空腔构件11的液滴排出压电装置1; 引入构件13，其具有与空腔3连接的引入通道5; 以及喷嘴构件12，其具有在与通道5相反的一侧与空腔3连接的喷嘴通道4.该液滴排出压电装置1设置有引入口6，引入口6安装在导入构件13上，能够引入液体 通过引入通道5进入空腔3和附接到喷嘴构件12的排出口7，其能够通过喷嘴通道40作为液滴喷射填充在空腔3中的液体。即使在液体量 液滴具有纳升级（nl）级，达到优异的稳定性和再现性，并且当装置安装时该装置可以稳定地操作。

公开(公告)号：US20090095072A1

公开(公告)日：2009-04-16

申请号：US12331694

申请日：2008-12-10

申请人： Hideki Shimizu ,  Takao Ohnishi ,  Tomohiro Yamada

发明人： Hideki Shimizu ,  Takao Ohnishi ,  Tomohiro Yamada

IPC分类号： G01N9/00 ,  H01L41/04 ,  H01L41/22

CPC分类号： G01N29/2462 ,  G01N11/16 ,  G01N29/022 ,  G01N33/0042 ,  G01N33/2835 ,  G01N2291/014 ,  G01N2291/02809 ,  G01N2291/02818 ,  H01L41/0477 ,  H01L41/0973 ,  H01L41/187 ,  H01L41/257 ,  H01L41/314 ,  Y10T29/42

摘要： Disclosed is a piezoelectric/electrostrictive membrane type sensor 20 provided with a ceramic base body 1 and a piezoelectric/electrostrictive element 12. The ceramic base body is provided with a thin diaphragm portion 3, a thick portion 2 and a cavity 10 formed by the portions. The piezoelectric/electrostrictive element is arranged on the ceramic base body 1 and includes a piezoelectric/electrostrictive body 5, and an upper electrode 6 and a lower electrode 4 sandwiching the piezoelectric/electrostrictive body 5. In the piezoelectric/electrostrictive membrane type sensor 20, the piezoelectric/electrostrictive body 5 contains an alkaline metal or an alkaline earth metal, and the upper electrode 6 and the lower electrode 4 contain gold or platinum. When there is a change in the atmosphere at a place where the sensor is used, the sensor copes with such change and at least prevents continuation of low-quality measurement.

摘要翻译： 公开了一种设置有陶瓷基体1和压电/电致伸缩元件12的压电/电致伸缩膜型传感器20.陶瓷基体设置有薄膜部分3，厚部分2和由部分形成的空腔10 。 压电/电致伸缩元件设置在陶瓷基体1上，并且包括压电/电致伸缩体5和夹持压电/电致伸缩体5的上电极6和下电极4.在压电/电致伸缩膜型传感器20中， 压电/电致伸缩体5含有碱金属或碱土金属，上电极6和下电极4含有金或铂。 当在使用传感器的地方存在气氛变化时，传感器处理这种变化，并且至少防止继续进行低质量的测量。

公开(公告)号：US20080047349A1

公开(公告)日：2008-02-28

申请号：US11775427

申请日：2007-07-10

申请人： Shuhei Fujita ,  Kunihiko Yoshioka ,  Takao Ohnishi

发明人： Shuhei Fujita ,  Kunihiko Yoshioka ,  Takao Ohnishi

IPC分类号： G01B17/00 ,  G01N29/00

CPC分类号： G01N35/1016 ,  B01J2219/0036 ,  B01J2219/00362 ,  B01J2219/00378 ,  B01J2219/00529 ,  B01J2219/00608 ,  B01J2219/0061 ,  B01J2219/00637 ,  B01J2219/00659 ,  B01J2219/00722 ,  B01L3/0268 ,  B01L2200/061 ,  B01L2200/143 ,  B01L2300/0645 ,  B01L2400/0439

摘要： Disclosed herein is a passage detection apparatus capable of detecting a passage of an object in a specific space. The passage detection apparatus includes a transmitting device, a receiving device, and a shielding member. The transmitting device is provided with a vibration generating source. The receiving device is arranged at the position corresponding to the transmitting device across the specific space. The shielding member has a through-hole, and is arranged so as to be interposed between the transmitting device and the receiving device. The vibration transmitted from the transmitting device reaches the receiving device via the through-hole and a passage route of the object. On the other hand, the reception of the vibration, reflected in the specific space, by the receiving device is suppressed by the shielding member.

摘要翻译： 这里公开了一种能够检测物体在特定空间中的通过的通过检测装置。 通过检测装置包括发送装置，接收装置和屏蔽部件。 发送装置设有振动发生源。 接收装置布置在跨越特定空间的与发送装置对应的位置。 屏蔽构件具有通孔，并且布置成介于发送装置和接收装置之间。 从发送装置发送的振动经由通孔和物体的通过路径到达接收装置。 另一方面，通过遮光部件抑制由接收装置在特定空间中反射的振动的接收。