A Chinese flag is displayed next to a "Made in China" sign seen on a printed circuit board with semiconductor chips, in this illustration picture taken February 17, 2023. REUTERS/Florence Lo/Illustration/File Photo Acquire Licensing Rights Oct 6 (Reuters) - In a new front in the U.S.-China tech war, President Joe Biden's administration is facing pressure from some lawmakers to restrict American companies from working on a freely available chip technology widely used in China - a move that could upend how the global technology industry collaborates across borders. At issue is RISC-V, pronounced "risk five," an open-source technology that competes...