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double-o-nothing
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re: DRAM, foundry logic in race to use EUV, says ASML
double-o-nothing   4/20/2012 1:35:26 AM
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If 14 or 10 nm is expected to be the "last" node for practical purposes, there won't be any opportunity for next-generation litho insertion.

PV-Geek
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re: DRAM, foundry logic in race to use EUV, says ASML
PV-Geek   4/20/2012 12:52:49 AM
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There is an underlying assumption in this discussion that the cost of an EUV tool that could meet 100WPH would actually be lower cost than a triple patterning immersion solution. Especially when you add in the potential need to regularly replace EUV masks due to defects that occur without a pellicle to protect them. What would be the reaction if after they finally get it working it costs more than multi-patterning methods?

resistion
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re: DRAM, foundry logic in race to use EUV, says ASML
resistion   4/19/2012 2:05:01 PM
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Logic has the same noise problem as DRAM.

resistion
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re: DRAM, foundry logic in race to use EUV, says ASML
resistion   4/19/2012 2:03:54 PM
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Actually has the same noise problem as DRAM. ASML better focus on faster immersion tools.

resistion
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re: DRAM, foundry logic in race to use EUV, says ASML
resistion   4/19/2012 1:58:37 PM
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Logic needs defect-free EUV, which means inspection tools ASML has no influence over. DRAM has billions of contacts which each require a noisier level of EUV photons, so they will require dose to increase for higher resolution. ASML has done all it could under its control, no one will fault it for giving up EUV. Unless it won its immersion orders by promising EUV.

any1
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re: DRAM, foundry logic in race to use EUV, says ASML
any1   4/19/2012 1:05:38 PM
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My understanding is that Intel has already frozen their 14 nm design rules so EUV will not be Intel's litho tool of choice at 14 nm. Since the biggest ship (Intel) has already sailed and the IBM fab club and TSMC must be close behind them who does that leave? I think ASML is just now admitting what has been apparent for several months, that EUV will miss yet another major node.

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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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