While TSMC is actively building and expanding 2nm fabs and MediaTek’s chips are advancing to the 3nm process node, the long-overlooked 0.18-micron technology is unexpectedly making a comeback. IC design industry experts state that 0.18 microns and even 28nm are mature processes still widely used in China. More importantly, 0.18 microns offers extensive room for innovation and has become a sweet spot for academic paper publications.