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    • 2. 发明授权
    • Ultrasonic transducers
    • 超声波换能器
    • US5446333A
    • 1995-08-29
    • US120761
    • 1993-09-15
    • Yoshihiko IshidaMakoto Tani
    • Yoshihiko IshidaMakoto Tani
    • B06B1/06H01L41/08
    • B06B1/0611
    • An ultrasonic transducer unit for use in pulse-echo ultrasonic investigation has a plurality of components including a piezoelectric ultrasonic wave transmitting element, an acoustoelectric ultrasonic wave receiving element and electrodes therefor. To provide a compact and efficient transducer, these components are bonded together in an integrated multilayer structure in which the transmitting element and receiving element are superimposed in the direction of propagation of transmitted and received ultrasonic waves. The receiving element may be a ZnO single crystal. An insulating layer isolates two components from each other.
    • 用于脉冲回波超声波研究的超声波换能器单元具有包括压电超声波发射元件,声电超声波接收元件及其电极的多个部件。 为了提供一种紧凑且高效的换能器,这些部件以集成多层结构结合在一起,其中发射元件和接收元件在发射和接收的超声波的传播方向上叠加。 接收元件可以是ZnO单晶。 绝缘层将两个组件彼此隔离。
    • 3. 发明授权
    • Apparatus and method for transmitting and receiving ultrasonic waves
having an acoustoelectric, ultrasonic transducer
    • 用于发送和接收具有声电超声波换能器的超声波的装置和方法
    • US5569854A
    • 1996-10-29
    • US469995
    • 1995-06-06
    • Yoshihiko IshidaMakoto Tani
    • Yoshihiko IshidaMakoto Tani
    • G01N29/24G01H11/06G01H17/00G01N29/04
    • G01H11/06G01H17/00
    • An apparatus for transmitting and receiving ultrasonic waves has a transmitter for sending a pair of ultrasonic waves to a sample. The pair of ultrasonic waves have substantially symmetric waveforms with respect to zero sound pressure. One of the ultrasonic wave is separated from the other ultrasonic wave. An acoustoelectric, ultrasonic transducer receives the pair of ultrasonic waves affected by the sample. The acoustoelectric, ultrasonic transducer converts the pair of ultrasonic waves into a pair of electric signals accompanied by phonon-charge carrier interaction. Each of the electric signals includes an acoustoelectric signal insensitive to phase and a piezoelectric signal sensitive to phase. A processing device processes the pair of electric signals so as to remove the piezoelectric signal and obtain the acoustoelectric signal. The initial ultrasonic waves have opposite phase so that superimposition of the pair of electric signals by the processing device offsets the piezoelectric signals, thereby obtaining the acoustoelectric signals.
    • 用于发送和接收超声波的装置具有用于向样品发送一对超声波的发射器。 该对超声波相对于零声压具有基本对称的波形。 超声波之一与其他超声波分离。 一个声电超声波换能器接收受样品影响的一对超声波。 声电超声波换能器将一对超声波转换成伴随着声子电荷载体相互作用的一对电信号。 每个电信号包括对相位不敏感的声电信号和对相位敏感的压电信号。 处理装置处理该对电信号,以便去除压电信号并获得声电信号。 初始超声波具有相反的相位,使得由处理装置叠加的一对电信号抵消压电信号,从而获得声电信号。
    • 6. 发明授权
    • Device utilizing piezoelectric element
    • 利用压电元件的器件
    • US08536766B2
    • 2013-09-17
    • US13069566
    • 2011-03-23
    • Masayuki UetaniMakoto Tani
    • Masayuki UetaniMakoto Tani
    • H01L41/08H01L41/083
    • H01L41/083H01L41/313
    • A device using a piezoelectric element includes a layered piezoelectric element and a driven member. The layered piezoelectric element includes an active portion formed of stacked piezoelectric layers each being sandwiched between a first internal electrode layer and a second internal electrode layer, and an inactive portion (first end inactive portion) formed of a first end piezoelectric layer stacked on the active portion. The driven member is bonded to the top surface of the first end piezoelectric layer by means of an adhesive. The piezoelectric layers and the first end piezoelectric layer are formed such that the porosity of the inactive portion is greater than that of the active portion. Therefore, since numerous open pores are emerged on the top surface of the first end piezoelectric layer, the adhesive enters into the open pores to have the driven member be strongly bonded to the top surface.
    • 使用压电元件的器件包括分层压电元件和从动元件。 层叠型压电元件包括​​由堆叠在第一内部电极层和第二内部电极层之间的堆叠的压电层形成的有源部分和由堆叠在活性物质上的第一端部压电层形成的非活性部分(第一末端非活性部分) 一部分。 被驱动构件通过粘合剂结合到第一端压电层的顶表面。 压电层和第一端压电层形成为使得非活性部分的孔隙率大于活性部分的孔隙率。 因此,由于在第一端压电体层的顶表面上出现许多开放的孔,所以粘合剂进入开孔,以使被驱动构件牢固地结合到顶表面。
    • 9. 发明授权
    • Apparatus for recording and/or reproducing information with a lid for
protecting the recording medium and a recording medium loading/ejecting
mechanism
    • 用于记录和/或再现用于保护记录介质的盖的信息和记录介质装载/排出机构的装置
    • US5121268A
    • 1992-06-09
    • US557610
    • 1990-07-24
    • Shigeru NakayamaMakoto Tani
    • Shigeru NakayamaMakoto Tani
    • G11B15/68G11B15/17G11B15/675G11B33/02
    • G11B33/027G11B15/17G11B15/67549
    • An apparatus for recording and/or providing with a lid for protecting the recording medium and a recording medium loading/ejecting mechanism that includes a housing, an inlet provided on a wall of the housing, a cassette which is loaded in and ejected from the housing through the inlet. The lid member is capable of being opened and closed and covers the inlet when it is closed. The apparatus includes a mechanism for loading the cassette inserted in the inlet to a loading position and ejecting the cassette from the loaded position to an ejection position. A detector detects whether the lid member is opened or closed. In addition, there is a controller for controlling the mechanism. The controller includes a loading controller for controlling the mechanism when the cassette is inserted in the inlet and is loaded in the loaded position. There is an ejecting controller for controlling the mechanism so that the cassette loaded in the loaded position is ejected to the ejection position when the detection system detects that the lid member is opened after detecting that the lid member has been closed.
    • 一种用于记录和/或提供具有用于保护记录介质的盖的装置和包括壳体的记录介质装载/排出机构,设置在壳体的壁上的入口,装在壳体中并从壳体中弹出的盒 通过入口。 盖构件能够被打开和关闭,并且在关闭时覆盖入口。 该装置包括用于将插入到入口中的盒装载到装载位置并将盒从装载位置弹出到排出位置的机构。 检测器检测盖构件是否打开或关闭。 另外还有一个用于控制机构的控制器。 该控制器包括一个装载控制器,用于当盒式磁带插入入口并控制装载位置时控制机构。 存在用于控制机构的排出控制器,使得当检测到盖构件已经关闭时检测系统检测到盖构件被打开时,装载在装载位置的盒被弹出到排出位置。