Reply to post: Re: Nice

TSMC chips away at the competition with 2nm production set for 2025

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Re: Nice

IIRC, modern wafer-based transistors are 3D devices and the headline size ( 2nm in this case) doesn't describe any physical feature of the transistor.

For a while (and maybe only for some vendors) I believe that the 3D 'size' related to an 'equivalent size' of an old-fashioned planar device.

Now I think the number is probably more of a a marketing thing.

While fundamental limits may well be looming on the horizon, I suspect that one thing that keeps AMSL / TSMC folks awake at nights is pondering the next step beyond EUV.

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