拟募集49.65亿！国产大硅片独角兽更新招股说明书

Core Viewpoint - Shanghai Ultra Silicon Semiconductor Co., Ltd. has updated its prospectus to raise over 4.965 billion yuan, primarily for expanding production capacity and R&D in high-end semiconductor silicon materials [1] Company Overview - Shanghai Ultra Silicon Semiconductor Co., Ltd. was established in 2008, focusing on the R&D, manufacturing, and sales of 300mm and 200mm semiconductor silicon wafers, as well as silicon wafer regeneration and processing services [2] - The company has a designed production capacity of 800,000 pieces per month for 300mm silicon wafers and 400,000 pieces per month for 200mm silicon wafers [2] - Its products are used in advanced process chips, covering NAND Flash, DRAM (including HBM), Nor Flash, and logic chips, and have entered major global supply chains [2] Main Products - The main products include 300mm and 200mm semiconductor silicon wafers, with a focus on P-type silicon wafers and a smaller range of phosphorus-doped N-type silicon wafers [4] - The 300mm product line offers polished wafers and epitaxial wafers, while the 200mm product line includes polished wafers, epitaxial wafers, argon-annealed wafers, and SOI wafers [4][5] Development History - The company became a strategic partner of TSMC in May 2011 and received TSMC's certification for 200mm regenerated silicon wafers in December 2011 [6] - Significant milestones include the establishment of Chongqing Ultra Silicon Semiconductor Co., Ltd. in 2014, the completion of the BigFab project in 2020, and the listing of various projects as major engineering initiatives in Shanghai [6]