2015-6-22 · Plasma enhanced chemical vapor deposition ~PECVD! is widely used in the microelectronics industry to deposit thin films.1 Dielectric materials such as silicon dioxide ~SiO 2! are often deposited by PECVD for use as gate oxides,2,3 inter-metal dielectrics,4 or passivation layers for integrated circuits.5,6 The main advantage of PECVD over other