Core Insights - The AI server design is undergoing a structural transformation, with the transition to cableless architecture and high-density interconnect (HDI) designs becoming central to the PCB industry's evolution [1][2] - The introduction of the Rubin platform marks a significant shift in PCB's role, emphasizing signal integrity and transmission stability as core design metrics [1][2] Group 1: PCB Design and Technology - The Rubin platform utilizes a cableless interconnect design, enhancing the PCB industry's status by shifting from traditional cable-based connections to multi-layer PCBs [1] - The new design materials include M8U grade for Switch Tray and M9 for Midplane, with PCB value per server increasing by over two times compared to previous generations [2] - The design logic of Rubin has become a common language in the industry, influencing other ASIC AI servers like Google TPU V7 and AWS Trainium3 [2] Group 2: Material Innovations - The demand for PCB performance in AI servers is driving significant changes in upstream materials, focusing on dielectric and thermal stability [2] - Nittobo is investing 15 billion yen to expand production of T-glass, which is expected to triple its capacity by the end of 2026, becoming a core material for ABF and BT substrates [2] - Low roughness HVLP4 copper foil is becoming mainstream due to the increasing impact of skin effect, leading to long-term supply tightness and a shift in bargaining power back to upstream material suppliers [3]

Core Insights - The article highlights a structural transformation in AI server design, emphasizing the shift from traditional cable-based architectures to cableless interconnect designs, particularly with NVIDIA's Rubin platform [2][3] - The transition to high-density interconnects and advanced materials in PCB design is identified as a key driver for enhancing server performance and efficiency [3][4] Group 1: AI Server Design Evolution - AI servers are moving towards a cableless architecture, which enhances signal integrity and transmission stability by utilizing multi-layer PCBs instead of traditional cabling [2] - The Rubin platform's design incorporates advanced materials and high-density interconnects, resulting in a more than twofold increase in PCB value compared to previous generations [3] Group 2: Material Upgrades and Supply Chain Dynamics - The demand for high-performance PCBs in AI servers is driving significant changes in upstream materials, particularly in fiberglass and copper foil, which are critical for dielectric and thermal stability [4] - Japanese company Nittobo is investing 15 billion yen to expand production of T-glass, which is expected to triple its capacity by the end of 2026, highlighting the increasing importance of advanced materials in PCB manufacturing [4] Group 3: Future Outlook - TrendForce anticipates that 2026 will mark a new starting point for PCBs, driven by technology content that enhances value [5]

Market Overview - The A-share market showed a strong upward trend on November 6, 2025, with the Shanghai Composite Index rising by 0.88%, the Shenzhen Component Index by 1.39%, and the ChiNext Index by 1.39% [1] - The Sci-Tech 50 Index surged nearly 3%, with sectors such as fertilizers, non-ferrous metals, power equipment, and semiconductors leading the gains, while sectors like Hainan Free Trade Zone, local stocks in Fujian, tourism hotels, and short films lagged behind [1] AI Infrastructure and Semiconductor Demand - The demand for high-end PCBs and upstream materials is significantly increasing due to the acceleration of AI infrastructure development by major US tech companies, with total capital expenditure expected to exceed $380 billion by 2025 [1] - A supply gap has emerged for M8/M9 grade copper-clad laminates (CCL) and HVLP4 copper foil, leading to rising prices for high-end ABF substrates, indicating a strong demand cycle for AI server high-end hardware [1] Storage Market Growth - The global storage market is entering a growth phase, with Samsung Electronics and SK Hynix reporting record performances in Q3 2025, driven by rising product prices and increased shipment volumes [2] - SK Hynix achieved a quarterly revenue of 24.4 trillion KRW, a 39% year-on-year increase, with operating profit surpassing 10 trillion KRW for the first time [2] - The introduction of HBM4 technology is expected to further boost demand for high-performance memory, propelling the storage industry into a new growth phase by 2026 [2] Semiconductor Equipment Domesticization - The domesticization of semiconductor equipment continues to progress, with Tuojing Technology reporting Q3 2025 revenue of 2.266 billion CNY, a year-on-year increase of 124.15%, and net profit growth of 225.07% [2] - The company has made significant advancements in PECVD and ALD fields, becoming a leading domestic equipment manufacturer with comprehensive coverage of hard mask processes and the highest coverage of domestic ALD film processes [2] Future Outlook on AI and Semiconductor Industry - General artificial intelligence is projected to be a transformative technological driver over the next decade, with total computing power expected to grow by up to 100,000 times by 2035 [3] - The semiconductor industry is anticipated to enter a super cycle driven by AI, with recommendations to focus on the entire semiconductor supply chain from design to manufacturing and upstream equipment materials [3] ETF Market Activity - As of November 6, 2025, the Sci-Tech 50 ETF (588060) saw a strong increase of 2.71%, with a cumulative rise of 31.65% over the past three months [3] - The top ten weighted stocks account for 57.72% of the ETF, with significant gains from major stocks such as Haiguang Information and Cambrian [3] - The Sci-Tech 50 ETF experienced a notable increase in scale, growing by 75.238 million CNY over the past two weeks, and a significant inflow of funds totaling 359 million CNY over six days [3] Sci-Tech ETF Characteristics - The Sci-Tech 50 ETF is designed to invest in a basket of leading stocks from the Sci-Tech board, with a daily price fluctuation limit of ±20% and no requirements for account assets or investment duration [4] - The ETF closely tracks the Sci-Tech 50 Index, which consists of 50 securities with strong market capitalization and liquidity, focusing on strategic emerging industries such as new-generation information technology and biomedicine [4] - The top three sectors represented in the index are semiconductors (65.47%), medical devices (5.28%), and photovoltaic equipment (4.57%), highlighting its "hard technology" attributes [4]

Market Overview - The A-share market experienced significant gains, with all three major indices rising collectively, and the ChiNext index reaching a new high for the year with a nearly 3% increase in a single day [1] - The trading volume in the Shanghai and Shenzhen markets exceeded 2.26 trillion yuan, showing a notable increase compared to the previous day [1] - There was a clear divergence among sectors, with Hainan, photovoltaic, and non-ferrous metals leading the gains, while banking and film sectors showed relatively weak performance [1] Research Insights - CICC expressed a cautious view on the future policy path of the Federal Reserve, suggesting that the pace of interest rate cuts may slow down. Despite a rate cut in October, Powell's statements leaned hawkish, creating uncertainty about further cuts in December [3] - CICC noted an increased internal support for pausing rate cuts, indicating that future easing measures may be more cautious and not overly optimistic. The current round of rate cuts may have a weaker stimulating effect on the economy due to a diminishing "refinancing effect" [3] - Huatai Securities shifted focus to U.S. power infrastructure development, particularly the impact of AI on energy demand. They highlighted a $550 billion investment plan under the Japan-U.S. cooperation framework, with an $80 billion nuclear investment led by Westinghouse as a key highlight [3] - Huatai suggested that rising demand for data center connectivity is increasing pressure on U.S. power supply, which may be temporarily addressed by delaying coal power retirements and developing solar storage and solid oxide fuel cells, while long-term solutions will rely on large-scale gas turbine and nuclear power construction [3] - Guotai Junan Securities focused on the technological evolution in the AI new materials sector, indicating that the application of M9 materials could drive upgrades in the industry chain. Companies expressed optimistic growth expectations and plans to expand capacity at recent industry exhibitions [4] - Guotai Junan analyzed that if the M9 solution is implemented, copper foil may shift to HVLP4 types, electronic fabrics will likely use a combination of Q fabric and second-generation fabric, and resins may trend towards hydrocarbon types. The increased hardness of Q fabric could raise the difficulty of PCB processing, thereby increasing demand for drilling needles and benefiting laser drilling technology [4]