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    • 1. 发明授权
    • Method of testing fitted state of piezoelectric element and head suspension
    • 测试压电元件和头悬挂状态的方法
    • US08878554B2
    • 2014-11-04
    • US13271837
    • 2011-10-12
    • Mikio Arai
    • Mikio Arai
    • G01R27/26G11B5/48
    • G11B5/4873
    • A method of testing a fitted state of a pair of piezoelectric elements fitted to form an actuator between a base member and a movable member, the piezoelectric elements in the actuator being arranged side by side in opposite polarity and being electrically connected in parallel with each other, and when a voltage is applied to the piezoelectric elements, minutely moving the movable member relative to the base member in a direction in which the piezoelectric members are arranged side by side. The method detects changes in capacitance of the piezoelectric elements with respect to changes in bias voltage applied to the piezoelectric elements, the bias voltage being changed within a predetermined range, and determines a fitted state of the piezoelectric elements according to a characteristic of the detected capacitance changes. The method correctly and easily determines whether or not the piezoelectric elements are correctly fitted to the actuator.
    • 一种测试一对压电元件的装配状态的方法,所述压电元件被配合成在基部构件和可动构件之间形成致动器,所述致动器中的所述压电元件以相反的极性并排设置并彼此并联 并且当向压电元件施加电压时,沿着压电元件并列排列的方向相对于基底元件微小地移动可移动元件。 该方法相对于施加到压电元件的偏置电压的变化来检测压电元件的电容变化,偏置电压在预定范围内变化,并且根据检测到的电容的特性确定压电元件的拟合状态 变化。 该方法正确且容易地确定压电元件是否正确地装配到致动器。
    • 3. 发明授权
    • Vibration characteristic measuring device
    • 振动特性测量装置
    • US08166826B2
    • 2012-05-01
    • US12398419
    • 2009-03-05
    • Hajime TadaMikio Arai
    • Hajime TadaMikio Arai
    • G01M7/02
    • G01M7/027
    • A vibration characteristic measuring device is provided with a shaker, including a shaking section which reciprocates along an axis, and a mounting block fastened to a mounting surface of the shaking section. A disk drive suspension is mounted on the mounting block. The mounting block has a facing surface which faces the mounting surface of the shaking section. An adhesive member formed of a resin tape is disposed between the mounting surface and the facing surface of the mounting block. The adhesive member is deformable depending on a gap between the mounting surface and the facing surface. The adhesive member closely contacts both the mounting surface and the facing surface without a gap.
    • 振动特性测量装置设置有振动器,其包括沿轴线往复运动的摇动部分和紧固到摇动部分的安装表面的安装块。 磁盘驱动器悬架安装在安装块上。 安装块具有面向振动部分的安装表面的面对表面。 由树脂带形成的粘合构件设置在安装表面和安装块的相对表面之间。 粘合剂构件可以根据安装表面和相对表面之间的间隙而变形。 粘合剂构件与安装表面和相对表面紧密接触而没有间隙。
    • 5. 发明申请
    • METHOD OF TESTING FITTED STATE OF PIEZOELECTRIC ELEMENT AND HEAD SUSPENSION
    • 测量压电元件和头枕悬臂状态的方法
    • US20120127614A1
    • 2012-05-24
    • US13271837
    • 2011-10-12
    • Mikio ARAI
    • Mikio ARAI
    • G01R27/26G11B5/48
    • G11B5/4873
    • A method of testing a fitted state of a pair of piezoelectric elements fitted to form an actuator between a base member and a movable member, the piezoelectric elements in the actuator being arranged side by side in opposite polarity and being electrically connected in parallel with each other, and when a voltage is applied to the piezoelectric elements, minutely moving the movable member relative to the base member in a direction in which the piezoelectric members are arranged side by side. The method detects changes in capacitance of the piezoelectric elements with respect to changes in bias voltage applied to the piezoelectric elements, the bias voltage being changed within a predetermined range, and determines a fitted state of the piezoelectric elements according to a characteristic of the detected capacitance changes. The method correctly and easily determines whether or not the piezoelectric elements are correctly fitted to the actuator.
    • 一种测试一对压电元件的装配状态的方法,所述压电元件被配合成在基部构件和可动构件之间形成致动器,所述致动器中的所述压电元件以相反的极性并排设置并彼此并联 并且当向压电元件施加电压时,沿着压电元件并列排列的方向相对于基底元件微小地移动可移动元件。 该方法相对于施加到压电元件的偏置电压的变化来检测压电元件的电容变化,偏置电压在预定范围内变化,并且根据检测到的电容的特性确定压电元件的拟合状态 变化。 该方法正确且容易地确定压电元件是否正确地装配到致动器。
    • 6. 发明申请
    • VIBRATION CHARACTERISTIC MEASURING DEVICE
    • 振动特性测量装置
    • US20090223297A1
    • 2009-09-10
    • US12398419
    • 2009-03-05
    • Hajime TadaMikio Arai
    • Hajime TadaMikio Arai
    • G01M7/02
    • G01M7/027
    • A vibration characteristic measuring device is provided with a shaker, including a shaking section which reciprocates along an axis, and a mounting block fastened to a mounting surface of the shaking section. A disk drive suspension is mounted on the mounting block. The mounting block has a facing surface which faces the mounting surface of the shaking section. An adhesive member formed of a resin tape is disposed between the mounting surface and the facing surface of the mounting block. The adhesive member is deformable depending on a gap between the mounting surface and the facing surface. The adhesive member closely contacts both the mounting surface and the facing surface without a gap.
    • 振动特性测量装置设置有振动器,其包括沿轴线往复运动的摇动部分和紧固到摇动部分的安装表面的安装块。 磁盘驱动器悬架安装在安装块上。 安装块具有面向振动部分的安装表面的面对表面。 由树脂带形成的粘合构件设置在安装表面和安装块的相对表面之间。 粘合剂构件可以根据安装表面和相对表面之间的间隙而变形。 粘合剂构件与安装表面和相对表面紧密接触而没有间隙。