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Chip Experts Cautiously Optimistic

TSMC sees fast defect declines at 20, 16nm
4/10/2014 06:55 PM EDT
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Re: No love, no clarity
junko.yoshida   4/12/2014 12:52:40 AM
@resistion, i think your argument here is totally valid, giving us some interesting perspectives. After all, we tend to focus on the latest node all the time (the nature of the media biz), but in reality, there are a lot of chips to be made in the current and previous nodes.

Previsou, when i posted an interview with SMIC CEO (, you mentioned, "28 nm is a great 'waiting' node, that's why it will support a big market." I think you are right.

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3D printer for 20nm chip at home
_hm   4/12/2014 9:12:50 AM
I eagerly await to see 20nm chip 3D printer at hobbyist home! This will accelerate innovations by leaps and bounds.

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Re: No love, no clarity
resistion   4/12/2014 12:04:25 PM
Strictly speaking, 28 nm node is actually something like 45 nm half pitch (minimum), which is also very difficult and design-limiting for single-patterning lithography, being very near the resolution limit. It may therefore not necessarily give as effective a shrink, and possibly long lines still need to be cut, which may still be considered pseudo-double patterning. So possibly 40 nm is suitable as a "resting" node as well. You could have SMIC "resting" at 40, TSMC at 28, and Intel at 22. Maybe Samsung would still charge to 14?

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Rest at 28FDSOI, 10nm FDSOI PDK from Leti in June
Adele.Hars   4/14/2014 6:59:54 AM
If 28nm turns out to be a "resting place", then 28nm FDSOI (w/perf & power equivalent to 20nm planar bulk but at a 28nm price), should certainly be a contender. Love takes time, @RickMerritt, and FinFETs had a lot more time (&$$) to get traction. But a better deal is a better deal, so don't write FDSOI off yet! Also, Leti will have the 10nm FDSOI PDK in June (yes, in just a couple months), so not sure why people are saying that FDSOI won't go the distance (my understanding is that it will go up against 7nm bulk FinFET -- much like 28nm FDSOI now goes up against 20nm bulk planar). As many have pointed out, competition is a good thing -- so really, both FinFET and FDSOI should coexist, serving the markets to which they're best suited, right?

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