Taiwan Semiconductor Manufacturing Company (TSMC) has confirmed that its Fab 21 chip factory in Arizona, USA, has started mass production of 4nm chips in the fourth quarter of 2024 using the N4P process technology. This development was reported by Tom's Hardware, a leading technology news publication. According to the report, TSMC's Fab 21 facility has successfully transitioned to large-scale production of 4nm chips, marking a significant milestone in the development of advanced semiconductor technology. The N4P process technology is a next-generation manufacturing process that offers improved performance, power efficiency, and density compared to previous-generation processes. The mass production of 4nm chips at Fab 21 is expected to meet the growing demand for advanced semiconductor devices in various industries, including 5G smartphones, high-performance computing, and artificial intelligence. This development is a testament to TSMC's leadership in the semiconductor industry and its commitment to investing in cutting-edge manufacturing technology. As the chip manufacturing landscape continues to evolve, TSMC's Fab 21 facility is poised to play a critical role in shaping the future of the industry.