Hello Staf,
Could you summarize again what the problem is with poly gate? In the industry polysilicon has been the gate for all technologies I know from 1um up to at least 65nm.
What is commonly drawn as a poly gate is actually a "salicide", or poly coated with a thin layer of metal. This is what David is referring to. The difference between a poly salicide and plain polysilicon is a few ohms per square vs. a hundred ohms per square.
---Tim
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