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ST, ST-Ericsson commit to SOI, says Soitec

3/12/2012 05:26 PM EDT
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Adele.Hars
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re: ST, ST-Ericsson commit to SOI, says Soitec
Adele.Hars   12/10/2012 1:05:35 PM
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As I wrote in May, ST-E reckons that w/FD-SOI's power savings, they can add a full extra day for smartphone users (see http://www.advancedsubstratenews.com/2012/05/novathor-smartphone-chip-on-28nm-fd-soi-st-ericsson-blogger-tells-all-pc-mag-sees-light/), which is huge. And IBS says that even counting the cost of the wafer, per-die FD-SOI comes in at about *half* the cost of bulk (planar and/or FinFET) at 20nm (which ST has in very-fast-follow), because it saves process steps -- see http://www.advancedsubstratenews.com/2012/11/ibs-study-concludes-fd-soi-most-cost-effective-technology-choice-at-28nm-and-20nm/

R_Colin_Johnson
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re: ST, ST-Ericsson commit to SOI, says Soitec
R_Colin_Johnson   4/16/2012 10:34:20 PM
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I believe that ST-Erikson are willing to pay extra for their wafers in order to reap the 40 percent savings in battery power, which mitigates the risk. The other guys are just validating that they can get the higher performance, and by the time they get to volume production, the price may have gone down due to high demand. Of course, bulk silicon will always be cheaper for the raw wafers.

Archeologist
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re: ST, ST-Ericsson commit to SOI, says Soitec
Archeologist   3/14/2012 11:49:39 AM
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Bold move from ST and STE. If you don't take the risk you cannot win.

3D Guy
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re: ST, ST-Ericsson commit to SOI, says Soitec
3D Guy   3/13/2012 11:29:12 AM
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SOITEC quotes $500 per FD-SOI wafer when shipping in volume. Since ST by itself does not make up too much volume, I wonder how costly this is going to be...

resistion
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re: ST, ST-Ericsson commit to SOI, says Soitec
resistion   3/13/2012 5:00:46 AM
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Timing almost like outgoing CTO's last decision.

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