HDP/PECVD methods of fabricating stress nitride structures...

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

Reexamination Certificate

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C438S197000, C438S586000, C438S791000

Reexamination Certificate

active

07615432

ABSTRACT:
A stress nitride structure is formed on an integrated circuit field effect transistor by high density plasma (HDP) depositing a first stress nitride layer on the integrated circuit field effect transistor and then plasma enhanced chemical vapor depositing (PECVD) a second stress nitride layer on the first stress nitride layer. The first stress nitride layer is non-conformal and the second stress nitride layer is conformal. Related structures also are described.

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Office Action, Korean Application 10-2006-0099513, Mar. 21, 2008.

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