智通财经网·2025-05-13 01:59Core Insights - HBM (High Bandwidth Memory) is a crucial technology for AI servers and is expected to be widely adopted in the autonomous driving market in the future [1] - China's HBM industry is developing, with HBM2 and HBM2E currently in mass production, and HBM3 and HBM3E expected to achieve breakthroughs by 2026E/2027E [1] - SK Hynix is the global leader in the HBM market, holding a 55% market share, followed by Samsung at 41% and Micron at 3% [1] Group 1 - SK Hynix launched the world's first TSV-based HBM product in 2013 and has since introduced several generations of HBM products, including HBM2, HBM2E, and HBM3 [1] - In April 2023, SK Hynix completed functionality verification of a 12-layer HBM3 product (24 GB), and in August 2023, it launched the high-performance 8-layer HBM3E product [1] - The company plans to start mass production of the 12-layer HBM3E product (36 GB) in October 2024 and is developing a 16-layer HBM3E product with a capacity of 48 GB [1] Group 2 - SK Hynix's HBM stacking technology has evolved from TC-NCF and MR-MUF to Advanced MR-MUF, with significant developments in wafer-level packaging (WLP) and TSV technology since around 2000 [2] - The 12-layer HBM3 and HBM3E products utilize Advanced MR-MUF technology, and the upcoming 16-layer HBM3E product will also employ this technology [2] Group 3 - Both Samsung and SK Hynix have established their own HBM supply chains, with Samsung relying on Japanese and Korean equipment suppliers, while SK Hynix partners with HANMI Semiconductor and others [3] - HANMI Semiconductor holds approximately 65% of the global TCBonder market and nearly 90% in the HBM3E TCBonder sector, indicating a strong position in the supply chain [3]