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techblog.com/semiconductor-packaging

The Future of Semiconductor Packaging

by Jane Chen · Jul 2026 · 8 min read

Advanced packaging technologies like CoWoS and HBM are reshaping how chips are designed and manufactured. As AI workloads demand more memory bandwidth, the industry is racing to...

Overview: Semiconductor packaging has become a critical bottleneck in AI chip design. CoWoS capacity constraints are limiting GPU production across the industry. [1]
CoWoS (Chip-on-Wafer-on-Substrate): TSMC's dominant advanced packaging technology, essential for NVIDIA's H100 and Blackwell GPUs. Demand outpaced supply by 40% in 2025, creating a 6-month backlog. [2]
HBM (High Bandwidth Memory): SK Hynix holds 75% market share in HBM3E, with Samsung catching up. Each AI accelerator requires 6-8 HBM stacks, consuming 60% of global supply. [3]
Supply Chain: ASML's EUV machines are booked through 2027. Packaging equipment lead times have extended from 6 to 18 months due to unprecedented demand. [4]
Industry Impact: The advanced packaging market is projected to reach $98B by 2028, driven by AI and data center demand. TSMC alone plans to double CoWoS capacity. [5]
Key Players: NVIDIA consumes 50% of CoWoS capacity, followed by AMD and custom silicon from Google, Amazon, and Microsoft. Intel is developing competing Foveros technology. [6]
Technical Challenges: Thermal management becomes critical as chiplet density increases. Power delivery and signal integrity at 3nm require innovative interconnect solutions. [7]
References
[1] McKinsey & Company, "Semiconductor Packaging: The AI Bottleneck," 2026
[2] TSMC Q4 2025 Earnings Call, CoWoS Capacity Outlook
[3] SK Hynix Investor Day 2026, HBM3E Market Share Report
[4] ASML Annual Report 2025, Equipment Backlog Analysis
[5] Yole Développement, Advanced Packaging Market Forecast 2026-2028
[6] NVIDIA FY2026 Q2 Results, Capacity Allocation Briefing
[7] IEEE International Electron Devices Meeting (IEDM), 2025
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