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MrSeb writes "Applied Materials has taken the wraps off a new etching system meant to turn vertically stacked, three-dimensional transistors from lab experiments into commercial reality. The new Centura Avatar solves multiple problems facing manufacturers who are interested in 3D NAND but find their current equipment not up to the task of actually building it. According to the folks at Applied Materials, trying to build 3D NAND structures in real life would be like trying to dig a one-kilometer-deep, three-kilometer-long trench with walls exactly three meters apart, through interleaved rock strata — and that’s before we discuss gate trenches or the staircases. While this machine specifically targets 3D NAND today, a number of the challenges to scaling flash memory apply to scaling CPU logic as well. As for when 3D chips will be available for commercial purchase, Applied Materials was vague on that point, but personally I would expect to see companies adopting the new etch equipment in the next few years." Link to Original Source
When you don't know what to do, walk fast and look worried.