1991: Leti joins forces with the Centre National d'Etudes des Telecommunications (CNET), France’s national telecommunication research center, to form the Grenoble Submicron Silicon Initiative (GRESSI).
CEA-Leti Laboratoire d'électronique des technologies de l'information - French-based research institute for electronics and information technologies
The goal of establishing Sofradir was to create an organization that developed and produced IR detectors based on the focal plane array (FPA) technology developed at CEA/LETI.