TMSC ponders upgrading 2nd Japan fab to 4nm — could pave the way for more advanced chips for Japanese customers

TSMC is mulling upgrading the capabilities of its yet-to-be-built Fab 23 phase 2 in Japan in a bid to make chips on its N4 process technology (4nm-class) there, according to Nikkei. Advancing fab capabilities is hardly something unexpected for foundries like TSMC, as they tend to follow demand with their offerings. What is perhaps more surprising is that TSMC has removed heavy machinery equipment from the site and has notified suppliers that it would not need new fab tools in Japan throughout the whole…