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    • 2. 发明申请
    • ION-SENSITIVE SENSOR ELEMENT
    • 离子敏感传感器元件
    • WO2011127905A8
    • 2011-12-15
    • PCT/DE2011000392
    • 2011-04-06
    • FRAUNHOFER GES FORSCHUNGPARTSCH UWEFELLER CLAUDIAKRETZSCHMAR CHRISTELREINHARDT KATHRIN
    • PARTSCH UWEFELLER CLAUDIAKRETZSCHMAR CHRISTELREINHARDT KATHRIN
    • G01N27/403C04B35/00H05K1/03H05K1/18
    • B32B18/00C04B2237/341C04B2237/343C04B2237/348C04B2237/366C04B2237/64C04B2237/68C04B2237/704G01N27/307G01N27/36G01N33/04
    • The invention relates to ion-sensitive sensor elements which can be used to determine the amounts of ions contained in an environment or a measurement medium, for example ions of hydrogen, sodium, silver or ammonium. The invention is suitable, in particular, for determining the pH value. At least one ion-selective electrode and at least one reference electrode are arranged on a substrate on a sensor element according to the invention. The ion- selective electrode(s) and the reference electrode(s) are connected in an electrically conductive manner to contact elements, which are arranged on the surface of the substrate, using electrical conductor tracks and the ion- selective electrode(s) is/are formed with at least one metal surface which is connected to an electrical conductor track and is covered with an ion-selective membrane in the direction of the measurement environment. The substrate is formed from a ceramic material which completely surrounds the electrical conductor tracks to which the ion-selective electrode(s) and the reference electrode(s) are connected and are connected to contact elements in an electrically conductive manner.
    • 本发明涉及离子敏感的传感器元件,通过该传感器元件可以确定包含在环境或测量介质中的离子的比例, 可以实现氢,钠,银,铵的离子。 本发明特别适用于测定pH值。 至少一个离子选择电极和至少一个参考电极被布置在根据本发明的传感器元件上的衬底上。 离子选择电极(S)和参考电极(一个或多个)导电地布置在所述衬底接点件与连接电导体路径和所述离子选择(n)的电极(一个或多个)的表面上/与电迹线的金属表面的至少一个连接 ,在形成离子选择膜的测量环境的方向上被覆盖。 基板由陶瓷材料形成,其中连接有离子选择电极和参考电极并与导电元件导电连接的电导体轨道完全封闭。