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SiC或将迎来涨价潮
半导体行业观察· 2025-12-01 01:27
Core Insights - The silicon carbide (SiC) supply chain is entering a phased market, with rising raw material prices and significant price pressure on 6-inch device substrates [1] - SiC is increasingly being utilized in artificial intelligence accelerators and high-performance computing platforms, reshaping the cost structure for power and automotive designers [1] Group 1: Market Dynamics - Bulk SiC powder and particle prices have been rising, with recent trading prices around 6,271 RMB per ton, reflecting a 0.21% increase [1] - The price increase is attributed to strong raw material costs, expanding downstream demand, and supply adjustments related to environmental inspections and capacity constraints [1] - In contrast, the 6-inch SiC wafer substrate market is experiencing a "price war," with prices expected to drop below $500 per wafer by mid-2024, a decline of over 20% [1] Group 2: Technological Advancements - SiC is becoming a critical thermal management material for AI and high-performance computing (HPC) platforms, with a thermal conductivity of 500 W/mK [2] - NVIDIA plans to introduce SiC technology in its Rubin AI platform around 2025, utilizing TSMC's CoWoS advanced packaging technology [2] - TSMC is collaborating with suppliers to develop 12-inch single-crystal SiC substrates to replace traditional ceramic substrates in HPC systems [2] Group 3: Strategic Opportunities - European integrated device manufacturers (IDMs) and module manufacturers may seize opportunities to secure more competitive wafer contracts, particularly in automotive-grade production lines [3] - The shift towards 12-inch SiC substrates and advanced packaging structures for AI accelerators may push process technology and investments further upstream in the value chain [3] - SiC is increasingly recognized as a strategic material not only for high-voltage power devices but also for AI thermal management and advanced optical applications [3]