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Firm predicts it will cost $28 billion to build a 2nm fab and $30,000 per wafer, a 50 percent increase in chipmaking costs as complexity rises (www.tomshardware.com)

submitted 10 months ago by [email protected] to c/[email protected]

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Firm predicts it will cost $28 billion to build a 2nm fab and $30,000 per wafer, a 50 percent increase in chipmaking costs as complexity rises::As wafer fab tools are getting more expensive, so do fabs and, ultimately, chips. A new report claims that

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[–] [email protected] 9 points 10 months ago (1 children)

This was my understanding as well: That beyond ~7nm the reliability begins to lose value because the diameter of an electron 'orbit' or whatever becomes a factor.

Admittedly I'm not an expert. But my understanding was that to break this limitation and keep Moore's law were kinda leaning into quantum computation to eventually fill the incoming void.

[–] [email protected] 5 points 10 months ago

The reason you mean is quantum tunneling. Essentially, at that small a scale an electron can 'teleport' outside of the system, which is obviously a big nono for computing.