科创半导体ETF鹏华(589020)涨超3.8%，光刻胶领域取得新突破

Group 1 - The core viewpoint of the news highlights a significant advancement in the photolithography technology, which is crucial for the continuous miniaturization of integrated circuit chip manufacturing. A research team led by Professor Peng Hailin from Peking University has successfully utilized cryo-electron tomography to analyze the three-dimensional structure, interfacial distribution, and entanglement behavior of photoresist molecules in a liquid phase environment, leading to a new industrialization scheme that significantly reduces photolithography defects [1] - The current landscape of China's photoresist industry is characterized by a "multi-point blooming, tiered breakthrough" pattern, as noted by Changjiang Securities. The industry is supported by three main logics: continuous market expansion, vast potential for domestic substitution, and technological breakthroughs that address industrialization bottlenecks, alongside a dual drive from policy and demand, indicating the industry is entering a period of benefit release [1] - The Chinese photoresist industry is transitioning from a "technological breakthrough phase" to a "scale-up release phase" and a "profitability realization phase" [1] Group 2 - As of October 27, 2025, the Shanghai Stock Exchange Sci-Tech Innovation Board Semiconductor Materials and Equipment Theme Index (950125) has surged by 3.80%, with notable increases in constituent stocks such as Aisen Co., Ltd. (688720) rising by 11.45%, Tuojing Technology (688072) by 6.57%, and Zhongwei Company (688012) by 5.36% [1] - The Penghua Sci-Tech Semiconductor ETF closely tracks the performance of the Shanghai Stock Exchange Sci-Tech Innovation Board Semiconductor Materials and Equipment Theme Index, which includes listed companies involved in semiconductor materials and equipment [2] - As of September 30, 2025, the top ten weighted stocks in the Shanghai Stock Exchange Sci-Tech Innovation Board Semiconductor Materials and Equipment Theme Index account for 74.36% of the index, including companies like Zhongwei Company (688012) and Huahai Qingke (688120) [2]