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    • 8. 发明授权
    • Piezoelectric component with directly structured external contacting, method for manufacturing the component and use of said component
    • 具有直接结构化外部接触的压电部件,制造部件的方法和所述部件的使用
    • US08258677B2
    • 2012-09-04
    • US12512556
    • 2009-07-30
    • Stefan DennelerAxel GansterSusanne KornelyAndreas LenkCarsten SchuhAndreas WolffJorg Zapf
    • Stefan DennelerAxel GansterSusanne KornelyAndreas LenkCarsten SchuhAndreas WolffJorg Zapf
    • H01L41/047
    • H01L41/0472H01L41/293Y10T29/42
    • The embodiments relate to a piezoelectric component including at least one fully active piezoelectric element comprising electrode layers and piezoelectric layers arranged therebetween. The electrode layers are conveyed to a lateral edge of the piezoelectric element and contacted there. The external electrode is attached in a structured fashion for electrical contacting and/or a structured external electrode is made available: The external electrode essentially includes two components, namely the contacting field and the contacting path. In the event of several piezoelectric elements (piezoelectric actuator in multilayer structure) stacked one above the other, the contacting path functions as a collector electrode, which connects the contacting fields of the piezoelectric elements to one another. The insulation path exists for the electrical insulation of the contacting path from electrode layers which are not to be contacted. A reliable contacting of the electrode layers is possible with the structure according to the invention. A fully active, piezoceramic multilayer actuator with the described contacting is used in automotive engineering for activating fuel injection valves.
    • 这些实施例涉及包括至少一个包括电极层和布置在其间的压电层的全有功压电元件的压电元件。 电极层被输送到压电元件的侧边缘并在那里接触。 外部电极以电气接触的结构方式附接和/或结构化的外部电极可用:外部电极基本上包括两个部件,即接触场和接触路径。 在多个压电元件(多层结构中的压电致动器)层叠的情况下,接触路径用作将压电元件的接触场彼此连接的集电极。 绝缘路径存在于与不接触的电极层的接触路径的电绝缘。 根据本发明的结构,电极层的可靠接触是可能的。 具有所述接触的完全活性的压电陶瓷多层致动器用于汽车工程中以激活燃料喷射阀。
    • 9. 发明申请
    • PIEZOELECTRIC COMPONENT WITH DIRECTLY STRUCTURED EXTERNAL CONTACTING, METHOD FOR MANUFACTURING THE COMPONENT AND USE OF SAID COMPONENT
    • 具有直接结构化外部接触的压电元件,制造组件的方法和使用组件
    • US20100066212A1
    • 2010-03-18
    • US12512556
    • 2009-07-30
    • Stefan DennelerAxel GansterSusanne KomelyAndreas LenkCarsten SchuhAndreas WolffJorg Zapf
    • Stefan DennelerAxel GansterSusanne KomelyAndreas LenkCarsten SchuhAndreas WolffJorg Zapf
    • H01L41/083H01L41/047H01L41/22
    • H01L41/0472H01L41/293Y10T29/42
    • The embodiments relate to a piezoelectric component including at least one fully active piezoelectric element comprising electrode layers and piezoelectric layers arranged therebetween. The electrode layers are conveyed to a lateral edge of the piezoelectric element and contacted there. The external electrode is attached in a structured fashion for electrical contacting and/or a structured external electrode is made available: The external electrode essentially includes two components, namely the contacting field and the contacting path. In the event of several piezoelectric elements (piezoelectric actuator in multilayer structure) stacked one above the other, the contacting path functions as a collector electrode, which connects the contacting fields of the piezoelectric elements to one another. The insulation path exists for the electrical insulation of the contacting path from electrode layers which are not to be contacted. A reliable contacting of the electrode layers is possible with the structure according to the invention. A fully active, piezoceramic multilayer actuator with the described contacting is used in automotive engineering for activating fuel injection valves.
    • 这些实施例涉及包括至少一个包括电极层和布置在其间的压电层的全有功压电元件的压电元件。 电极层被输送到压电元件的侧边缘并在那里接触。 外部电极以电气接触的结构方式附接和/或结构化的外部电极可用:外部电极基本上包括两个部件,即接触场和接触路径。 在多个压电元件(多层结构中的压电致动器)层叠的情况下,接触路径用作将压电元件的接触场彼此连接的集电极。 绝缘路径存在于与不接触的电极层的接触路径的电绝缘。 根据本发明的结构,电极层的可靠接触是可能的。 具有所述接触的完全活性的压电陶瓷多层致动器用于汽车工程中以激活燃料喷射阀。