I recently was asked how much 3D NAND pitches had shrunk since the technology’s 2013 introduction. Samsung made a big to-do about using 40nm back in 2015, but the company and its competitors don’t seem to have given an update since then. Shouldn’t it have gone to smaller processes like 35nm, 25nm, 20nm, etc.?
The Memory Guy’s reply was that it’s nearly impossible Continue reading “Why 3D NAND is Stuck at 40nm”