Antifuse having tantalum oxynitride film and method for...

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Reexamination Certificate

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C365S102000, C365S225700, C257S068000, C257S071000, C257SE23147, C257SE21008

Reexamination Certificate

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10232205

ABSTRACT:
A capacitor has a tantalum oxynitride film. One method for making the film comprises forming a bottom plate electrode and then forming a tantalum oxide film on the bottom plate electrode. Nitrogen is introduced to form a tantalum oxynitride film. A top plate electrode is formed on the tantalum oxynitride film. Embodiments include a method of operating an antifuse, comprising applying a voltage across electrodes of a capacitor having a tantalum oxynitride film and forming a hole in the tantalum oxynitride film.

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