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TMSC's Arizona fab is up and running producing 4nm chips

There's ~a dozen in the works or under construction

TMSC plans to have 2-3nm fabs operational in the next 2-3 years

So we're 2-3 years behind the standard (currently 2nm), and further behind on the bleeding edge sub-2nm fabs

Don't forget Intel. They are producing chips on 18A right now, with 14A up next.

> TMSC's Arizona fab is up and running producing 4nm chips

Are the majority of the staff still shipped in from Asia?

No. It was originally 50%, unclear what the current numbers are (it was supposed to decrease over time as they train local replacements).