聚焦半导体光刻胶国产替代，这家企业正式开业

Core Viewpoint - The article highlights the establishment and operational focus of Jiangsu Oumingxin Semiconductor Materials Co., Ltd., which specializes in the research and production of photoresists and supporting materials, emphasizing its role in the domestic semiconductor industry and the shift towards local alternatives [3][4]. Group 1: Company Overview - Jiangsu Oumingxin has officially opened in Suzhou Nano City, focusing on key areas such as third-generation compound semiconductors, LED chips, MEMS, and packaging [3]. - The company has developed a comprehensive product system, including high-resolution i-line photoresists and high-heat electroplating thick film photoresists, which have been successfully applied in mass production by industry leaders like BOE and Zhaochi [3][4]. Group 2: Product Focus - Oumingxin aims for domestic substitution of semiconductor photoresists, utilizing a phenolic resin-azide naphthoquinone system, achieving 100% coverage of LED chip photoresist demand within three months [3][4]. - The company has entered the supply chains of major players such as Zhaochi Semiconductor and Jucan Optoelectronics, leveraging its 20 years of industry experience [4]. Group 3: Technological Innovation - Oumingxin adopts an innovative model of self-designed core raw materials and outsourced processing to overcome the reliance on imported upstream materials, effectively breaking foreign technology monopolies [4]. - The company is committed to technological self-innovation, which is crucial for the stable development of China's semiconductor industry [4]. Group 4: Product Characteristics - High-heat electroplating thick film photoresists can withstand temperatures above 150°C, maintaining performance stability during high-temperature processes [5]. - These photoresists can form thick films up to several hundred micrometers, suitable for specific structures and processes in semiconductor manufacturing [5][6]. - The negative lift-off process photoresists are designed to create specific morphologies that facilitate the lift-off process, ensuring accurate metal deposition on substrates [9][12]. Group 5: Upcoming Events - The 2025 TrendBank (Fifth) Lithography Industry Conference will be held on July 9-10 in Hefei, aiming to gather experts and industry leaders to discuss advancements and challenges in lithography technology and materials [18].