Infinitesima Marks 25 Years with Focus on 3D Semiconductor Metrology - EE Times Asia

Infinitesima's 25-year run isn't a survival story—it's a precise bet on the metrology paradigm shift from 2D to 3D. As GAA transistors, CFET architectures, and backside power delivery networks push wafer structures into true three-dimensional space, the resolution ceiling of conventional optical and e-beam tools has been hit. Laser-interferometric 3D metrology is transitioning from an optional add-on to a non-negotiable line requirement. The technical moat here is data: decades of accumulated 3D morphology reference libraries give Infinitesima an edge in post-EUV multi-patterning structural verification that hardware specs alone can't replicate. Yet the competitive squeeze is real. TEL and KLA are embedding metrology modules into integrated platform solutions, systematically eroding the pricing power of standalone vendors. Layer on the US-Japan export control tightening and Tokyo's own 2023 semiconductor equipment restrictions, and Infinitesima's access to the mainland China market carries structural regulatory risk. Within 18 months, TSMC's 2nm GAA ramp and Intel 18A yield optimization will drive 3D metrology demand to historic highs. My call: the endgame for independent metrology players isn't selling instruments—it's selling data closed-loops. Whoever holds the largest 3D defect database owns the next pricing cycle.