Japan has performed very well in two areas, namely image sensors and 3D NAND, but these are not mainstream products. Japan hopes to return to some fields in logic chip manufacturing, so it faces two directions. One is the 28nm process in cooperation with TSMC. The other is the 2-nanometer process in cooperation with IBM. Which path is more suitable for Japan's development? Interviewee : Eric Bouche, founder of Silicon Valley Research Institute.