光刻胶国产化：如何从树脂到光刻胶，构建自主产业链

Core Viewpoint - The article emphasizes the critical role of photoresists in the semiconductor industry, highlighting their evolution and the challenges faced in domestic production, which requires a comprehensive approach involving material design, process engineering, and supply chain security [2][3][4]. Group 1: Development and Evolution of Photoresists - Photoresists are likened to a "brush" in the intricate process of transferring circuit patterns onto silicon wafers, with advancements in materials directly influencing the continuation of Moore's Law [2]. - The evolution of photoresists has progressed from early DNQ-phenolic resin systems to chemical amplification photoresists and now to metal cluster photoresists for EUV technology, showcasing a significant technological advancement [2][3]. - The article outlines the systematic review of photoresist technology, covering the historical development, working principles of mainstream photoresists, key performance indicators, and challenges in domestic production [4]. Group 2: Technical Insights and Mechanisms - The article details the physical and chemical nature of photoresists, emphasizing the importance of the dissolution rate contrast (Rmax and Rmin) in determining resolution, where higher contrast leads to finer features [17][39]. - It explains the collaborative evolution of lithography equipment, photoresists, and process technologies, indicating that any weakness in one area can become a bottleneck for the entire industry [14]. - The mechanisms of various types of photoresists, including positive and negative photoresists, are discussed, highlighting their unique chemical processes and applications in semiconductor manufacturing [31][34]. Group 3: Market Overview and Competitive Landscape - The global photoresist market is projected to grow from $10.8 billion in 2024 to $12.5 billion by 2027, with the semiconductor segment expected to reach $2.8 billion [43]. - The current market structure shows that ArF and ArFi photoresists dominate, accounting for 54% of the semiconductor photoresist market, while Japanese companies hold a significant market share, particularly in high-end processes [45][47]. - Domestic companies are making strides in the photoresist sector, with several achieving breakthroughs in production and testing, although they still face substantial challenges in high-end market penetration [49]. Group 4: Challenges in Domestic Production - The article outlines the systemic challenges in the domestic production of photoresists, which extend beyond mere technical hurdles to include material design, formulation, and customer validation processes [51]. - It highlights the critical need for domestic sourcing of key raw materials, as the current reliance on imports for solvents and resins poses risks to supply chain security and cost control [55]. - The complexities of achieving consistent quality in photoresists are underscored, with the need for stringent control over raw material quality and production processes being paramount for successful domestic manufacturing [51][55].