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    • 8. 发明申请
    • LAMINATED PIEZOELECTRIC ELEMENT, INJECTION APPARATUS PROVIDED WITH SAME, AND FUEL INJECTION SYSTEM PROVIDED WITH SAME
    • 层叠压电元件,与其同时提供的注射装置和与其同时提供的燃油喷射系统
    • US20140020659A1
    • 2014-01-23
    • US14001166
    • 2012-02-24
    • Takeshi Kato
    • Takeshi Kato
    • H01L41/047F02M51/06
    • H01L41/0472F02M51/0603
    • There are provided a multi-layer piezoelectric element that is driven stably for a long period of time without developing cracks in a junction between a metallized layer and a lead member or a stacked body, and an injection device and a fuel injection system provided with the same. A multi-layer piezoelectric element includes a stacked body in which piezoelectric layers and internal electrodes are laminated; a metallized layer disposed on a side surface of the stacked body, the metalized layer being electrically connected to the internal electrodes; and an external electrode member disposed on the metallized layer, with an electrically-conductive adhesive layer interposed therebetween, wherein the electrically-conductive adhesive layer has a plurality of voids configured not to open on a surface thereof which surface is in contact with the metallized layer.
    • 提供了一种能够长时间稳定地驱动而不会在金属化层与引线部件或层叠体之间的连接处产生裂纹的层叠型压电元件,以及设置有 相同。 层叠型压电元件包括​​叠层体,压电层和内部电极层叠在该层叠体中; 设置在所述层叠体的侧面的金属化层,所述金属化层与所述内部电极电连接; 以及设置在所述金属化层上的外部电极构件,其间插入有导电粘合剂层,其中所述导电粘合剂层具有多个空隙,所述多个空隙构造成在其表面与所述金属化层接触的表面上开口 。