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    Piezoelectric component with predetermined breaking point and method for manufacturing and using the component
    1.
    发明申请
    Piezoelectric component with predetermined breaking point and method for manufacturing and using the component 有权
    具有预定断裂点的压电元件及其制造和使用方法

    公开(公告)号：US20060181178A1

    公开(公告)日：2006-08-17

    申请号：US11202763

    申请日：2005-08-12

    申请人： Harald Kastl ,  Carsten Schuh

    发明人： Harald Kastl ,  Carsten Schuh

    IPC分类号： H01L41/083

    CPC分类号： H01L41/0471 ,  H01L41/0838 ,  H01L41/273

    摘要： A piezoelectric component (1) has at least one monolithic piezo element (10) having an electrode layer (101), at least one further electrode layer (102), at least one piezoceramic layer (103) disposed between the electrode layers and at least one predetermined breaking point (100) which, in the event of mechanical overload of the piezo element, leads to the formation of a specific crack (110) in the monolithic piezo element, wherein the predetermined breaking point includes the electrode layer. The component is, for example, a piezoelectric actuator with a monolithic actuator body (2) in which piezo elements with predetermined breaking points and further piezo elements (11) without predetermined breaking points are arranged one on top of the other and sintered collectively.

    摘要翻译： 压电元件（1）具有至少一个具有电极层（101），至少一个另外的电极层（102），至少一个设置在电极层之间的压电陶瓷层（103）和至少一个压电元件 一个预定的断点（100），其在压电元件的机械过载的情况下导致在单片压电元件中形成特定的裂纹（110），其中预定断裂点包括电极层。 该部件例如是具有单片致动器主体（2）的压电致动器，其中具有预定断裂点的压电元件和没有预定断裂点的另外的压电元件（11）一个放置在另一个之上并共同烧结。