187亿半导体掩膜版市场创造国产替代机遇，科创半导体ETF（588170）涨4.65%

Group 1 - The Shanghai Stock Exchange's Sci-Tech Innovation Board semiconductor materials and equipment index rose by 4.82%, with key stocks such as Shengmei Shanghai hitting the daily limit, SMIC increasing by 9.37%, and Jingyi Equipment rising by 7.41% [1] - The domestic semiconductor mask market is projected to reach approximately 18.7 billion RMB by 2025, with wafer manufacturing masks expected to account for 10 billion RMB, packaging masks for 2.6 billion RMB, and other device masks for 6.1 billion RMB [1] - Domestic manufacturers' revenue from mask production is currently low, but they are in a phase of continuous technological upgrades and the release of new high-end capacities, with mask penetration rates transitioning from 1 to N [1] Group 2 - The Sci-Tech Semiconductor ETF (588170) and its linked funds track the semiconductor materials and equipment index, focusing on hard-tech companies in the semiconductor equipment (59%) and materials (25%) sectors [1][2] - The semiconductor equipment and materials industry is a significant area for domestic substitution, characterized by low domestic replacement rates and high ceilings for domestic substitution, benefiting from the expansion of semiconductor demand driven by the AI revolution and technological mergers and acquisitions [1]