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Old 12th Jul 2011, 13:49   #1
arcticstoat
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GlobalFoundries prepares Tri-Gate competitor

GlobalFoundries discusses its roadmap, including a move to 3D transistors and gate-last production.

http://www.bit-tech.net/news/hardwar...e-competitor/1
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Old 12th Jul 2011, 14:05   #2
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" How small can we make silicon transistors before they become unmanageable?"
Well, that's an easy one to answer - the lower bound is going to be the size of silicon atoms themselves
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Old 12th Jul 2011, 14:16   #3
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So, are we on course for Moore's Law to break down in 2017?
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Old 12th Jul 2011, 15:17   #4
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wouldn't happen to have mentioned something like "Triple-Spacer" or "Finfet" now would he?
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Old 12th Jul 2011, 15:21   #5
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Nice to see Intel's competition doing something, and thanks Paul for the gate-first vs gate-last explanation, been wanting to read up on that for a while now. Cheers.
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Old 12th Jul 2011, 16:16   #6
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Last I heard the issues are around 8-10nm and that is about where any current and most theoretical manufacturing techniques are unable to produce a viable transister. So we have at least another 4-6 years before we are at neeing a major "break through" to keep advancing transister size.

The gist I got from the article is basically that "Hi, we are 1-2 years behind Intel, but don't worry, that works for us!"

Most of the time I hear things about using "backwards" technology because you haven't innovated or there is a defect, companies always spin it as a "design feature" or "it gives us X benifit". So 10-20% space savings compared to gate last at 28nm, I doubt that, or if true it is because of your manufacturing technique and the way you are laying out the chips. That or it may be true, but yields are significantly lower for you to change or too much time redesigning the process. Or it may also be true, but transistor performance is lower.

Since Intel and TSMC are doing gate last I don't think they decided to do that for no reason.
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Old 12th Jul 2011, 17:10   #7
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Thanks for the write-up Paul!
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Old 12th Jul 2011, 18:48   #8
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I love reading all this kind of stuff, even though I'll admit to only understanding about half of it!

I am amazed by the constant shrinking process, even more so when I look back at some of the older PC's I've had over the years. The original Pentium was, I believe, based on an 800nm technology - so to now have 28nm, to be preparing 20nm - and to be talking about 14nm transistors being well underway, I do think it's all pretty amazing.

Just roll out a tape measure to 800mm, then roll it back down to 20mm & 14mm for a visual comparison of scale. It's astonishing what they have been able to achieve in such a short space of time really...
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Old 13th Jul 2011, 04:55   #9
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Why is it I suspect they saw Intel's tech announcement and said "oh crap, get to the drawing board ASAP!?"
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Old 13th Jul 2011, 08:06   #10
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Quote:
Originally Posted by ssj12 View Post
Why is it I suspect they saw Intel's tech announcement and said "oh crap, get to the drawing board ASAP!?"
FinFETs (branded 3D transistors) were originally developed by IBM actually iirc - who GloFo is in a co-operative development relationship.

It was on Ee times I think.

http://en.wikipedia.org/wiki/Multigate_device
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Old 13th Jul 2011, 13:33   #11
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Quote:
Originally Posted by Bindibadgi View Post
FinFETs (branded 3D transistors) were originally developed by IBM actually iirc - who GloFo is in a co-operative development relationship.

It was on Ee times I think.

http://en.wikipedia.org/wiki/Multigate_device
Yup. The AMD-IBM alliance (direct follower of the AMD-Motorola alliance)
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Old 13th Jul 2011, 13:37   #12
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That's more along the lines of what I'd like to see around here. Great article and well done Bit!

PS: Paul, do have an aunt named Holly?
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Old 13th Jul 2011, 23:49   #13
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Quote:
Originally Posted by Xir
Quote:
Originally Posted by Bindibadgi View Post
FinFETs (branded 3D transistors) were originally developed by IBM actually iirc - who GloFo is in a co-operative development relationship.

It was on Ee times I think.

http://en.wikipedia.org/wiki/Multigate_device
Yup. The AMD-IBM alliance (direct follower of the AMD-Motorola alliance)
That sounds like a horrid alliance. Thank god I have my Droid X2.
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Old 15th Jul 2011, 11:04   #14
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The AMD-Motorola Alliance gave you copper-interconnects which led to the break of the 1Ghz barrier.
(while Intel still said...naah Aluminum will do just fine)
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Old 19th Jul 2011, 02:14   #15
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intel may be ahead in lithography but IBM is always ahead in R&D, that company just knows how to conduct themselves. and what they develop is the research they do benefit so many companies and people. amd then their is AMD, the company with the most pioneering chip designs, with the bulldozer arch, we don't even know how to count the cores. this is what happens when competitions is tough, people innovate
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