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[TechSpot] TSMC is building the world's first 3nm semiconductor facility in Taiwan

post #1 of 12
Thread Starter 
https://www.techspot.com/news/71255-tsmc-building-world-first-3nm-semiconductor-facility-taiwan.html
Quote:
TSMC last year said it planned for the 3nm fab to be operational by 2022 as public hearings over the potential environmental impacts were slowing the process down. There's no word on any new timeframe, but this date could be brought forward now that the Taiwanese government has committed to resolving the issues.


I am worried my heavy Noctua cooler will prove to much for these little chips, lol.
    
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post #2 of 12
Isn't quantum tunneling a issue at this size?
post #3 of 12
Quote:
Originally Posted by ACleverName View Post

Isn't quantum tunneling a issue at this size?

Above that size, actually. It's a major issue, one that translates into leakage current.

It's worth pointing out that 3nm is about eight atoms wide.
post #4 of 12
Thats what i thought like 5 NM it begins to be a issue. Thats crazy 8 atoms.
post #5 of 12
Quote:
Originally Posted by ACleverName View Post

Isn't quantum tunneling a issue at this size?

My understanding is that quantum tunneling has been the main reason why gate insulators haven't been able to be reduced in thickness over the last so many nodes. At some point it doesn't much matter what material you build it out of since quantum effects allow electrons to tunnel through it directly.
post #6 of 12

Either your barrier (gate insulator) gets thicker or the potential at the sides of the well is raised. Either way reduces the probability of leakage (by keeping more of the exponential decay parts of the wave function inside a forbidden region or by increasing the rate at which the function approaches zero).

 

Alternatively reduce the energy eigenstate of the electron.

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post #7 of 12
Thread Starter 
Well they seem to have figured it out, I mean the announcement is legit, maybe they are overconfident and it will end up getting delayed though lol
    
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post #8 of 12
Quote:
Originally Posted by caenlen View Post

https://www.techspot.com/news/71255-tsmc-building-world-first-3nm-semiconductor-facility-taiwan.html
I am worried my heavy Noctua cooler will prove to much for these little chips, lol.

A facility capable of doing 3nm lithography is not proof of a chip that runs with 3nm components. Remember that very very few chips printed on a lithography limit actually have components that small.
post #9 of 12
I guess Taiwan really is #1 after all.
post #10 of 12
Quote:
Originally Posted by frickfrock999 View Post

I guess Taiwan really is #1 after all.

China number one mad.gif
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