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Jim.Wieser
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re: 450-mm brings confusion to supply chain
Jim.Wieser   2/2/2011 6:05:21 PM
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I had heard there is an intermediate wafer size between 300mm and 450mm which is MORE cost effective than going to 450mm. Do any of the equipment manufacturers have comment on this?

Jim.Wieser
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re: 450-mm brings confusion to supply chain
Jim.Wieser   2/2/2011 6:00:55 PM
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I had heard there was an "intermediate" wafer size between 300 and 450mm which is more cost effective from an equipment and infrastructure point of view. It would still provide a path for reduced $$/mm2 and in a more manageable way. Comments from the equipment industry?

SiFarmer (Ret.)
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re: 450-mm brings confusion to supply chain
SiFarmer (Ret.)   2/2/2011 5:37:13 PM
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C'mon guys? How many people think the wafer size is unlimited. What's next? A 1 meter wafer?!? I predict Dr. Moore's Law will soon continue along other tracks than wafer size. You heard it here first! :)

David Jimenez
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re: 450-mm brings confusion to supply chain
David Jimenez   2/2/2011 5:21:30 PM
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It will be interesting to see the responses we get from our 5th annual process technology survey (currently underway at http://www.wwk.com/2011survey.pdf). The responses from the previous 4 surveys on 450mm manufacturing indicated more than 6 years out (39% responded never), more than 6 years out (56% responded never), beyond 2015(17% responded never), and beyond 2017(38% responded never).

mark.lapedus
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re: 450-mm brings confusion to supply chain
mark.lapedus   2/2/2011 4:54:24 PM
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Is the industry going down the wrong path with 450-mm?

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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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