Tronic's Microsystems S.A.: directors' dealings · France · AMF

About Tronic's Microsystems S.A.

TRONIC’S MICROSYSTEMS S.A. is a French technology company specialized in the design and manufacture of MEMS inertial sensors (Micro-Electro-Mechanical Systems) used in demanding applications for motion sensing, positioning, navigation, and condition monitoring of critical assets. Founded in 1997 in the Grenoble area, the company built its industrial and technological base around high-performance capacitive inertial MEMS on SOI wafers, with early technology transfer originating from CEA-Leti. Since 2003, it has operated a production site in Crolles, near Grenoble, which combines front-end and back-end MEMS manufacturing with engineering, calibration, and qualification capabilities. Tronic’s Microsystems is now majority-owned by TDK, following its gradual integration into the group from 2017 onward, while remaining a distinct European specialist in inertial MEMS. The company’s business model is built around three main pillars. First, it develops standard inertial sensors, including accelerometers and gyroscopes, for industrial and high-reliability use cases. Second, it offers custom products tailored to customer specifications for harsh environments and mission-critical systems. Third, it provides MEMS foundry services through its open MAGELAN platform, enabling third parties to leverage Tronic’s technology and manufacturing infrastructure for their own developments. The company serves a range of growth markets such as industrial equipment, aerospace, transportation, energy, marine and subsea applications, and asset monitoring. From a competitive standpoint, Tronic’s Microsystems holds a niche but strategically valuable position in the European inertial MEMS market. Its strength lies in a rare combination of sensor design expertise, proprietary manufacturing processes, and integrated industrial capabilities based in France. The company emphasizes a rigorous quality framework, supported by ISO 9001, ISO 14001, ISO 45001, ISO 50001 and EN 9100 certifications, as well as IATF 16949 certification for automotive-quality requirements. This standards-driven approach is particularly important in markets where reliability, traceability, and performance are essential. Tronic’s Microsystems is located in Crolles, within the Grenoble technology cluster, one of Europe’s best-known ecosystems for microelectronics and semiconductors. The company states that it serves customers across multiple continents through a European industrial base complemented by an international commercial footprint developed over time. Key milestones include its listing on Euronext Growth in 2015 and its acquisition by TDK, which has strengthened its access to global technology, industrial scale, and international markets while supporting continued innovation in inertial sensing.