Methods of manufacturing ferroelectric capacitors for...

Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – Having insulated gate

Reexamination Certificate

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C438S253000, C438S395000

Reexamination Certificate

active

07045416

ABSTRACT:
Methods of forming integrated circuit capacitors having dielectric layers therein that comprise ferroelectric materials, include the use of protective layers to block the infiltration of hydrogen into the ferroelectric material. By blocking the infiltration of hydrogen, the hysteresis characteristics of the ferroelectric materials can be preserved.

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