Importance

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Abstract

A method for producing a connection electrode for a first and second adjacent and complementarily doped semiconductor zones includes a step of producing a trench extending through the first semiconductor zone into the second semiconductor zone in such a way that the first semiconductor zone is uncovered at sidewalls of the trench and the second semiconductor zone is uncovered at least at a bottom of the trench. The method also includes producing a first connection zone in the first semiconductor zone by implanting dopant atoms into the sidewalls at least at a first angle. The method further includes producing a second connection zone in the second semiconductor zone by implanting dopant atoms at least at a second, different angle. The method also includes depositing an electrode layer at least onto the sidewalls and the bottom of the trench for the purpose of producing the connection electrode.

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First Claim