Technology

Why Samsung Is Betting Big on High NA EUV for AI Chips

Samsung and ASML are expanding their partnership to bring High NA EUV lithography and a brand-new 12-inch photomask platform to future chip manufacturing.

WhyThisBuzz DeskSep 8, 20262 min read
Share:

Samsung Electronics and ASML have officially deepened their long-standing partnership to tackle the growing hardware demands of the artificial intelligence era. By combining forces on advanced lithography, the tech giants are laying the groundwork for a major leap forward in semiconductor manufacturing.

What Happened

The companies announced an expanded collaboration focused on deploying High NA extreme ultraviolet (EUV) lithography and next-generation manufacturing technologies. As part of this push, Samsung is joining an industry-wide initiative to develop a 12-inch photomask platform.

For decades, the semiconductor industry has relied on standard 6-inch photomasks to pattern silicon wafers. Transitioning to a 12-inch format is designed to eliminate stitching constraints—where multiple exposures are patched together—lower overall production costs, and drastically boost fab productivity for leading-edge chipmakers.

Furthermore, Samsung revealed concrete plans to integrate ASML’s cutting-edge High NA EUV systems into its future DRAM high-volume manufacturing by 2028, marking an industry first for advanced memory applications.

Background & Context

The race for extreme semiconductor scaling has reached a physical threshold where traditional EUV equipment requires increasingly complex multi-patterning techniques. High NA (High Numerical Aperture) EUV systems, equipped with advanced optical lenses boasting an NA of 0.55 compared to the previous 0.33 standard, allow for sharper light focusing. This capability drastically reduces the number of steps required to print ultra-fine features onto silicon.

While competitors like TSMC and Intel have explored High NA EUV primarily for advanced logic nodes (such as sub-2nm processors), Samsung’s strategic twist is applying this revolutionary hardware directly to high-density memory manufacturing. As generative AI models demand faster, higher-capacity High Bandwidth Memory (HBM) and low-power DRAM, legacy patterning methods face severe economic and physical bottlenecks.

Why It Matters

The explosive growth of artificial intelligence requires unprecedented computing power, putting massive pressure on the semiconductor supply chain. High NA EUV technology delivers significantly improved resolution, allowing manufacturers to simplify complex processes and dramatically scale up yield efficiency.

By taking the lead on both the 12-inch photomask transition and High NA EUV DRAM production, Samsung is positioning itself at the absolute forefront of next-gen memory and foundry tech. Leadership from executives like Samsung CEO Young Hyun Jun and ASML CEO Christophe Fouquet highlights a mutual focus on securing the hardware backbone required for the next wave of global AI infrastructure.

Future Outlook

As the 2028 deployment target approaches, the success of this partnership will depend heavily on fab readiness and supply chain adaptation. The transition to a 12-inch photomask platform requires an overhaul of existing ecosystem tools, metrology equipment, and inspection systems. If Samsung and ASML successfully navigate these engineering hurdles, it could trigger a wider industry migration away from aging 6-inch standards, fundamentally redefining the cost and performance curves for AI-era hardware.