The world’s largest chipmaker, Taiwan Semiconductor Manufacturing Co. (NYSE:TSM) , is reportedly contemplating producing its more advanced 4-nanometer chip at its second plant in Japan to meet the escalating demand for AI-related products.Shift Towards Advanced ChipsThe plant in Kumamoto, which commenced construction in late October, was initially intended for 6-nm and 7-nm chips. A smaller nanometer size typically signals a more advanced, more powerful chip. The possible transition could force design revis ...