Investment Rating - The report indicates a positive outlook for the specialty glass fiber industry, particularly driven by the increasing demand from AI servers and the upgrade of CCL materials [1]. Core Insights - The demand for AI servers is driving a significant upgrade in CCL materials from traditional levels to higher grades such as Grade 7 and Grade 8, with ongoing efforts to develop Grade 9 materials [1][4]. - Nitto Denko is a leader in the low dielectric constant specialty glass fiber sector, utilizing advanced materials like N1 glass and Ner glass to achieve lower dielectric constants [1][5]. - The cost structure of CCL materials shows that glass fabric accounts for approximately 30% of the total cost, highlighting the importance of enhancing the performance of all components in response to AI-related demand [1][7]. Summary by Sections Industry Overview - The specialty glass fiber market is experiencing intense competition, with leading companies like Nitto Denko showing strong performance amid rising AI demand [2][14]. - The market for specialty glass fiber has seen a revenue increase of 6.5 times from 2015 to 2024, reflecting the growing need for high-performance electronic materials [15]. Key Companies - Nitto Denko's electronic materials division is projected to contribute about 40% of the company's revenue and 85% of its operating profit in 2024 [1][9]. - Other notable companies in the CCL supply chain include Taiwanese, Korean, and Japanese firms, with a focus on collaboration with PCB manufacturers to penetrate the overseas AI market [3]. Product Development - Nitto Denko plans to introduce its third-generation specialty glass fiber for high-end applications such as 6G and AI servers by 2026, with further product iterations expected by 2030 [16]. - The report highlights the ongoing development of T-glass and low DK materials, which are crucial for high-speed applications and AI servers [22][21]. Market Dynamics - The supply of T-glass materials is currently tight, with production and expansion plans underway to meet future demand [21]. - The report notes that low DK materials are primarily used in high-speed switches and AI servers, with stable production expected to meet customer orders in the near term [22]. Competitive Landscape - The competitive landscape for specialty glass fiber is characterized by a mix of established Japanese firms and emerging players from Taiwan and mainland China, all vying for market share in the growing AI sector [2][3][24].