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    • 52. 发明授权
    • Ultrasonic actuator
    • 超声波执行器
    • US08076823B2
    • 2011-12-13
    • US13152642
    • 2011-06-03
    • Yusuke AdachiHironori Honsho
    • Yusuke AdachiHironori Honsho
    • H01L41/08
    • H01L41/0471H01L41/0475H01L41/0913H02N2/004H02N2/026H02N2/103
    • An ultrasonic actuator may be provided in which generation of a stress is prevented in the connection face of the piezoelectric element between the electrodes and the conductive members. The ultrasonic actuator includes a piezoelectric element (P1) and flexible cables (F1). The piezoelectric element (P1) includes: a piezoelectric layer (1); a power supply electrode (2) provided on a principal surface of the piezoelectric layer (1); a counter electrode (3) provided to face the power supply electrode (2) with the piezoelectric layer (1) interposed therebetween; a power supply external electrode (4) which is provided on a short-side surface of the piezoelectric element (P1), and is electrically coupled to the power supply electrode (2); and a counter external electrode (5) which is provided on a short-side surface of the piezoelectric element (P1), and is electrically coupled to the counter electrode (3). The flexible cables (F1) include a first flexible cable (F11) connected to the power supply external electrode (4), and a second flexible cable (F12) connected to the counter external electrode (5).
    • 可以提供一种超声波致动器,其中在电极和导电构件之间的压电元件的连接面中防止产生应力。 超声波致动器包括压电元件(P1)和柔性电缆(F1)。 压电元件(P1)包括:压电层(1); 设置在压电层(1)的主表面上的电源电极(2); 设置成与压电层(1)相对置的与电源电极(2)相对的对置电极(3) 电源外部电极(4),其设置在所述压电元件(P1)的短边面上,并且电耦合到所述电源电极(2); 以及设置在所述压电元件(P1)的短边面上并与电极(3)电连接的对置外部电极(5)。 柔性电缆(F1)包括连接到电源外部电极(4)的第一柔性电缆(F11)和连接到对外部电极(5)的第二柔性电缆(F12)。
    • 53. 发明申请
    • DRIVE UNIT
    • 驱动单元
    • US20110241487A1
    • 2011-10-06
    • US13079042
    • 2011-04-04
    • Hideaki MUKAEEiichi NagaokaYusuke Adachi
    • Hideaki MUKAEEiichi NagaokaYusuke Adachi
    • H02N2/04
    • H02N2/026H01L41/0913H02N2/004H02N2/0055
    • A drive unit includes: a shaft; a movable body supported by the shaft so as to be displaceable along the shaft; a vibratory actuator configured to drive the movable body; and a support body configured to support the vibrator actuator. The vibratory actuator includes an actuator main body that contacts the movable body and is configured to vibrate to output a driving force to the movable body, an opposing member that contacts the movable body and is positioned so as to face the actuator main body with the movable body interposed therebetween, and a coupling member that is configured to couple the actuator main body with the opposing member and to bias the actuator main body and the opposing member so as to sandwich the movable body therebetween with the movable body kept displaceable along the shaft. The support body supports the vibratory actuator so that the vibratory actuator is displaceable along a biasing direction of the coupling member.
    • 驱动单元包括:轴; 由所述轴支撑的可移动体,以便能够沿所述轴移动; 构造成驱动所述可动体的振动致动器; 以及构造成支撑所述振动器致动器的支撑体。 振动致动器包括与可移动体接触并构造成振动以向可移动体输出驱动力的致动器主体,与可移动体接触并且被定位成与致动器主体相对的可移动的对置构件 以及耦合构件,其被构造成将致动器主体与相对构件联接并且使致动器主体和相对构件偏置以将可移动体夹在其间,使得可移动体沿着轴保持位移。 支撑体支撑振动致动器,使得振动致动器可沿联接构件的偏压方向移位。
    • 54. 发明授权
    • Ultrasonic actuator with flexible cable connection member
    • 具有柔性电缆连接件的超声波致动器
    • US08004150B2
    • 2011-08-23
    • US12794076
    • 2010-06-04
    • Yusuke AdachiHironori Honsho
    • Yusuke AdachiHironori Honsho
    • H01L41/08
    • H01L41/0471H01L41/0475H01L41/0913H02N2/004H02N2/026H02N2/103
    • An ultrasonic actuator may be provided in which generation of a stress is prevented in the connection face of the piezoelectric element between the electrodes and the conductive members. The ultrasonic actuator includes a piezoelectric element (P1) and flexible cables (F1). The piezoelectric element (P1) includes: a piezoelectric layer (1); a power supply electrode (2) provided on a principal surface of the piezoelectric layer (1); a counter electrode (3) provided to face the power supply electrode (2) with the piezoelectric layer (1) interposed therebetween; a power supply external electrode (4) which is provided on a short-side surface of the piezoelectric element (P1), and is electrically coupled to the power supply electrode (2); and a counter external electrode (5) which is provided on a short-side surface of the piezoelectric element (P1), and is electrically coupled to the counter electrode (3). The flexible cables (F1) include a first flexible cable (F11) connected to the power supply external electrode (4), and a second flexible cable (F12) connected to the counter external electrode (5).
    • 可以提供一种超声波致动器,其中在电极和导电构件之间的压电元件的连接面中防止产生应力。 超声波致动器包括压电元件(P1)和柔性电缆(F1)。 压电元件(P1)包括:压电层(1); 设置在压电层(1)的主表面上的电源电极(2); 设置成与压电层(1)相对置的与电源电极(2)相对的对置电极(3) 电源外部电极(4),其设置在所述压电元件(P1)的短边面上,并且电耦合到所述电源电极(2); 以及设置在所述压电元件(P1)的短边面上并与电极(3)电连接的对置外部电极(5)。 柔性电缆(F1)包括连接到电源外部电极(4)的第一柔性电缆(F11)和连接到对外部电极(5)的第二柔性电缆(F12)。
    • 57. 发明申请
    • DRIVE UNIT
    • 驱动单元
    • US20100244627A1
    • 2010-09-30
    • US12794056
    • 2010-06-04
    • Yusuke Adachi
    • Yusuke Adachi
    • H02N2/04
    • H01L41/0906H01L41/0475H01L41/083H02N2/004H02N2/026H02N2/103
    • A drive unit which generates less heat may be provided. The drive unit includes a piezoelectric element (P1) having a piezoelectric layer (1), a drive power supply (14) configured to apply a driving voltage at a predetermined frequency to the piezoelectric element (P1) such that vibration including stretching vibration and bending vibration is generated in the piezoelectric element (P1), and a movable element (9) which is movable relative to the piezoelectric element (P1) according to the vibration of the piezoelectric element (P1). The difference between the resonance frequency of the bending vibration of the piezoelectric element (P1) and the anti-resonance frequency of the stretching vibration of the piezoelectric element (P1) is smaller than the difference between the resonance frequency of the bending vibration of the piezoelectric element (P1) and the resonance frequency of the stretching vibration of the piezoelectric element (P1).
    • 可以提供产生较少热量的驱动单元。 驱动单元包括具有压电层(1)的压电元件(P1),驱动电源(14),被配置为向压电元件(P1)施加预定频率的驱动电压,使得包括拉伸振动和弯曲 在压电元件(P1)中产生振动,以及根据压电元件(P1)的振动相对于压电元件(P1)移动的可动元件(9)。 压电元件(P1)的弯曲振动的共振频率与压电元件(P1)的拉伸振动的反共振频率之间的差小于压电元件(P1)的弯曲振动的共振频率之间的差 元件(P1)和压电元件(P1)的伸缩振动的共振频率。
    • 58. 发明授权
    • Drive unit
    • 驱动单元
    • US07667373B2
    • 2010-02-23
    • US12469153
    • 2009-05-20
    • Hideaki MukaeYusuke Adachi
    • Hideaki MukaeYusuke Adachi
    • H01I41/09
    • H02N2/028H01L41/0913H02N2/004H02N2/026
    • A drive unit (1) includes a stage (3), a first ultrasonic actuator (4A) for driving the stage (3) in the X direction, and a second ultrasonic actuator (4B) for driving the stage (3) in the Y direction. In driving the stage (3) in only one of the X and Y directions, one of the first and second ultrasonic actuators (4A, 4B) corresponding to the one of the directions generates a composite vibration of a longitudinal vibration parallel to a contact surface of the stage (3) and a bending vibration orthogonal to the contact surface, while the other ultrasonic actuator generates only a longitudinal vibration parallel to the contact surface of the stage (3).
    • 驱动单元(1)包括用于在X方向上驱动载物台(3)的载物台(3),第一超声波致动器(4A)和用于驱动载物台(3)的Y 方向。 在仅在X和Y方向中的一个方向上驱动载物台(3)时,与其中一个方向相对应的第一和第二超声波致动器(4A,4B)中的一个产生平行于接触表面的纵向振动的复合振动 (3)的弯曲振动和与接触面正交的弯曲振动,而另一个超声波致动器仅产生平行于载物台(3)的接触表面的纵向振动。