半导体设备ETF（159516）盘中净流入1.4亿份，近10日净流入近10亿元，国产替代迎来奇点时刻

Group 1 - The core viewpoint of the article highlights the significant inflow of capital into the semiconductor equipment ETF (159516), amounting to 140 million shares, indicating strong market interest and investment in the sector [1] - According to Huachuang Securities, the confluence of demand, policy, and external environment is creating a critical window for domestic substitution in the semiconductor industry, with China projected to become the largest market for photolithography machine procurement in 2024, contributing 41% to ASML's revenue [1] - Currently, high-end photolithography machines in China are heavily reliant on imports, making the progress of domestic production essential. The "02 Special" policy has revealed a systematic layout for core areas such as optics, dual-stage platforms, and immersion systems, which is expected to accelerate the iteration of domestic technology [1] Group 2 - Companies like Shanghai Micro Electronics and Huazhu Precision have achieved breakthroughs in 90nm ArF models and dual-stage platforms, indicating advancements in domestic photolithography technology [1] - The semiconductor equipment ETF (159516) tracks the semiconductor materials and equipment index (931743), which focuses on the materials and equipment sectors within the semiconductor industry, selecting listed companies involved in semiconductor material supply and equipment manufacturing as index samples [1] - The index constituents possess high technical barriers and growth characteristics, serving as an important indicator of the overall health of the semiconductor industry [1]