US to Tighten Curbs on China's Access to Advanced Chip Tech.

The US unveiled the original chip restrictions a year ago in an aggressive attempt to curtail China's technological development, a step the Biden administration argued is necessary for national security. The US also extended waivers for South Korea firms Samsung Electronics Co. and SK Hynix Inc., plus Taiwanese chip giant Taiwan Semiconductor Manufacturing Co., to continue shipping some restricted chipmaking technology to their facilities in China. [Extracted from the article]