ULTRASONIC MOTOR AND METHOD FOR MANUFACTURING ULTRASONIC MOTOR
    3.
    发明申请
    ULTRASONIC MOTOR AND METHOD FOR MANUFACTURING ULTRASONIC MOTOR 审中-公开
    超声波电机及制造超声波电机的方法

    公开(公告)号:US20090212660A1

    公开(公告)日:2009-08-27

    申请号:US11912137

    申请日:2006-04-20

    IPC分类号: H02N2/00 H01L41/22

    CPC分类号: H02N2/007 Y10T29/42

    摘要: [Purpose] The present invention relates to an ultrasonic motor having a stator which includes a piezoelectric element for moving a rotor in a prescribed direction by applying a predetermined ultrasonic voltage thereto, and the rotor which is fixed to the stator by a frictional force, and a method for manufacturing an ultrasonic motor, and it has for its purpose to attain decrease of dust appearance by enhancement of a wear resistance, a different hardness, or the like in such a way that a contact part of at least either of a stator and a rotor which constitute the ultrasonic motor is irradiated with ions.[Constitution] An ultrasonic motor characterized in that either or both of contact parts of a stator and a rotor is/are irradiated with ions, thereby to enhance a wear resistance of the contact part or parts.

    摘要翻译: 超声波电动机技术领域本发明涉及具有定子的超声波电动机,该定子包括:通过施加规定的超声波电压使规定的方向上的转子向规定的方向移动的压电元件和通过摩擦力固定在定子上的转子, 一种超声波马达的制造方法,其目的是通过提高耐磨性,不同的硬度等来降低灰尘外观,使得定子和 用离子照射构成超声波马达的转子。 [结构]一种超声波马达,其特征在于,定子和转子的接触部中的任一个或两者被离子照射,从而提高接触部件的耐磨性。