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    • 17. 发明专利
    • Positioning device
    • JP5073540B2
    • 2012-11-14
    • JP2008065786
    • 2008-03-14
    • ボンドテック株式会社
    • 朗 山内
    • H01L21/68G12B5/00H01L21/027
    • PROBLEM TO BE SOLVED: To secure a sufficient amount as a projecting amount of a support leg. SOLUTION: A lifting piezoelectric element 5 is arranged on a base 3, three driving piezoelectric elements 9a, 9b and 9c are connected thereon through a lower connection body 7, and a long support leg 13 is vertically connected and supported on the driving piezoelectric elements 9a, 9b and 9c through an upper connection body 11. A reception base 17 is erected on the base 3, an opening 17a at the center of the upper part of the reception base 17 is structured to vertically move the support leg 13, and a distal end (top end) of the support leg 13 is moved to the upper and lower sides relative to the top surface of the reception base 17 by extension/contraction of the respective driving piezoelectric elements 9a, 9b and 9c. A drive unit 19 in which the base 3, the reception base 17, the lifting piezoelectric element 5, the lower connection body 7, a piezo drive means 15 and the support leg 13 are integrated with one another is formed, and three of the drive units 19 are arranged nearly on the circumference of a circle to compose this positioning device. COPYRIGHT: (C)2010,JPO&INPIT