PDF Download [P1-IM-33] Precursors for SiC, SiCxNy and Si3N4 membrane formation *Ralf Wyrwa1, H. Richter1, M. Weyd1, A. Kansara1, T. Block1, I. Voigt1 (1. Fraunhofer IKTS) Keywords:SiCxNy, gas separation