Video. Inside Soitec, the French tech company powering the global semiconductor industry - Euronews.com

Soitec's Euronews feature is not corporate PR—it is the public acknowledgment that a single French firm holds a structural chokepoint in global SOI wafer supply. Smart Cut remains the only mature process for high-quality SOI, making Soitec the invisible bottleneck for RF front-ends, automotive power, and increasingly AI chiplet interconnects. The technology cascade is underappreciated: TSMC and GlobalFoundries carry single-source dependency on Soitec for specific nodes. As 3D stacking and HBM-adjacent architectures scale, SOI transitions from a niche material to a mainstream consumable. Any capacity hiccup propagates up the stack with multiplicative effect. On compliance, the EU Chips Act creates an internal contradiction—subsidy entanglement versus export-control obligations. Meanwhile, NSIG and Shanghai SinoMicro are accelerating domestic SOI qualification. Within 12–24 months, a bifurcated two-track market will harden: Western fabs locked to Soitec, Eastern fabs on indigenous supply. Shin-Etsu and SUMCO remain two generations behind in SOI yield. The real variable is demand: if AI accelerator SOI consumption doubles by 2026, Soitec's capacity ceiling shifts from a cost issue to a geopolitical one. Verdict: Soitec is being repriced from niche supplier to strategic infrastructure. Its valuation anchor is migrating toward ASML.