TSMC, Samsung, and Intel Back 12-Inch Photomask Standard to End 30% High-NA EUV Throughput Loss
techtimes.com Sep 9, 2026

TSMC, Samsung, and Intel Back 12-Inch Photomask Standard to End 30% High-NA EUV Throughput Loss

AI-summarised brief · reviewed before publication

Taiwan Semiconductor Manufacturing Company and ASML announced a joint initiative to transition the semiconductor industry from its 40-year-old 6-inch photomask standard to a new 12-inch format. Samsung Electronics and Intel Foundry simultaneously committed to this direction during the SPIE BACUS Photomask Technology conference in Monterey, California. The newly formed Large Mask Consortium aims to establish a 12-inch mask pilot line by 2031 and achieve full High-NA lithography system readiness for advanced-node production by 2033. This shift addresses physical limitations inherent in High-NA EUV systems, which use an anamorphic optical design that demagnifies patterns asymmetrically. The current 6-inch masks result in a 30% throughput loss for these advanced systems. The industry convergence is driven by physics rather than commercial preference, as the new standard is essential for printing features at 2-nanometer nodes and beyond. The transition marks a significant departure from the manufacturing norms established in the 1980s, requiring coordinated effort among the world’s leading chipmakers to overcome technical barriers in next-generation semiconductor fabrication.

💡 Why It Matters

  • · The industry is abandoning a four-decade-old standard solely because current physics prevents High-NA EUV machines from operating at full efficiency.
  • · Without this hardware overhaul, the production of advanced AI chips will remain bottlenecked by a 30% throughput penalty that software cannot fix.