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Analyst: low yield drove Globalfoundries change

6/21/2011 11:28 AM EDT
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docdivakar
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re: Analyst: low yield drove Globalfoundries change
docdivakar   6/24/2011 12:48:41 AM
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@peter.clarke: some heads roll at GF so it is natural every one wants to know the inside scoop. Daniel Nenni had the guessing game (TSMC's yield at 28nm) for a while on Semiconductor Professionals @LinkedIn. I don't remember the final consensus (correlated?) yield figure but it was no where north of 90%. According to this other post also by Nenni, it would seem quite difficult to get yields above 80% as one goes to 32/28nm nodes: http://dnenni.wordpress.com/2009/09/20/tsmc-restrictive-design-rules-and-3228nm-yield/ In addition to the continuing statistical effects, it appears proximity and stress effects are more pronounced as the nodes are shrunk. MP Divakar

Peter Clarke
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re: Analyst: low yield drove Globalfoundries change
Peter Clarke   6/22/2011 12:07:56 PM
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What I have got, you have got. If anyone else is able to share yield numbers, it would be interesting!!!!

paul.delamusica
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re: Analyst: low yield drove Globalfoundries change
paul.delamusica   6/21/2011 6:39:34 PM
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Any details?

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