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VIBRATOR OF VIBRATORY DRIVE UNIT, VIBRATORY DRIVE UNIT, INTERCHANGEABLE LENS, IMAGING DEVICE, AND AUTOMATIC STAGE
VIBRATOR OF VIBRATORY DRIVE UNIT, VIBRATORY DRIVE UNIT, INTERCHANGEABLE LENS, IMAGING DEVICE, AND AUTOMATIC STAGE
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机译:振动驱动装置的振动器,振动驱动装置,可互换镜头,成像装置和自动台
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摘要
A vibrator including an electro-mechanical transducer and an elastic body that is fixed to the electro-mechanical transducer and that is provided with a projection, the projection having a hollow structure. The projection includes a contact portion having a first surface at a tip, the first surface being parallel to a first plane, a wall portion projecting towards an opposite side with respect to the electro-mechanical transducer, and a connection portion connecting the wall portion and the contact portion to each other. The connection portion having a spring property, and the contact portion includes a portion of which a cross-sectional area in a second plane that is parallel to the first plane increases as an increase of a distance between the portion and the first surface.
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