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pixies
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re: Darkhorse litho technologies stay in NGL race
pixies   2/16/2012 3:31:15 PM
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One thing EUV is good at is creating jobs, high paying jobs for physicists and engineers, for a long time. :)

pinhead1
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re: Darkhorse litho technologies stay in NGL race
pinhead1   2/16/2012 2:53:40 PM
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I think the concern is that with the expense of the fancy litho tools, most fabs would only have 1 or 2 initially. Then when you have all of the critical layers needing to go through the tool multiple times, (active, poly, contact, metals and vias) you end up with wafers just queued behind the litho tool all_the_time - because you don't just have 1 lot at a time running in your fab.

double-o-nothing
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re: Darkhorse litho technologies stay in NGL race
double-o-nothing   2/16/2012 3:44:26 AM
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Even with DRAM, ~50% layers going from double to triple patterning shouldn't be too bad. Already much better than same 50% already forced to go double patterning.

EnricoHTC
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re: Darkhorse litho technologies stay in NGL race
EnricoHTC   2/15/2012 1:59:31 PM
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A healthy mix of technologies will be required. Who will make the masks for Imprint technology or inspect and repair them 1x!! Who will pattern the base structures for directed self assembly, repetitive patterns only?? It might work for memory cells, others? Rapid prototyping and critical layers of the 1xnm and 2xnm nodes, E-Beam dirct write will be the solution.....no masks, easy to change, or simulate process changes, adapt depending on the flow changes across the wafer.. A lot of challenges ahead....smart device integration might be a better way to improve the performance of devices, not just scaling!! Enrico

resistion
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re: Darkhorse litho technologies stay in NGL race
resistion   2/15/2012 9:13:40 AM
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If only a small fraction of the chip layers get multiple patterning or double patterning, and most design rules on the SOC are very loose, the extra costs will be diluted. So the "worst case" scenario shouldn't be so bad.

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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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