Dynamic random access memory device and electronic systems

Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode

Reexamination Certificate

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C257S306000, C257SE27090, C257SE21627, C257SE21649

Reexamination Certificate

active

07999330

ABSTRACT:
The invention includes methods of utilizing compositions containing iridium and tantalum in semiconductor constructions, and includes semiconductor constructions comprising compositions containing iridium and tantalum. The compositions containing iridium and tantalum can be utilized as barrier materials, and in some aspects can be utilized as barriers to copper diffusion.

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