Semiconductor device having aluminum alloy conductors

   
   

A semiconductor device is provided which includes a semiconductor substrate, metal conductors formed on a side of a main face of the substrate, which metal conductors contain aluminum as a main constituent thereof, and copper as an additive element, the metal conductors being made to contain such an element as to suppress the precipitation of copper or being made to have such a film adjacent to the metal conductor as to suppress the precipitation of copper or being made to have such a film adjacent to the metal conductor as to suppress the precipitation of copper.

Se proporciona un dispositivo de semiconductor que incluye un substrato del semiconductor, conductores del metal formados en un lado de una cara principal del substrato, que los conductores del metal contienen el aluminio como componente principal de eso, y reviste con cobre como elemento aditivo, los conductores del metal que son hechos para contener tal elemento en cuanto a suprimen la precipitación del cobre o que es hecha para hacer tal película adyacente al conductor del metal en cuanto a suprima la precipitación del cobre o siendo hecha para hacer que tal película adyacente al conductor del metal en cuanto a suprima la precipitación del cobre.

 
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