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TSMC Begins Pilot Production of 3nm Chips

I have heard N3 in second half 2022, Q4 2022, and now early 2023. Hopefully there will be a big turnout at the conferences in the next two weeks (DAC, RISC-V, Semicon West, and IEDM) so we find out more from the people who actually know.
 
What's "pilot production" in TSMC terminology? If it's about the test chips, this may not tell us much about the state of the process development.
 
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