Figure 5
From: Selective etching of silicon nitride over silicon oxide using ClF3/H2 remote plasma

Schematic of chemical reaction of ClF3/H2 remote plasma on etching of SiNx and SiOy. Possible reaction paths are illustrated.
From: Selective etching of silicon nitride over silicon oxide using ClF3/H2 remote plasma

Schematic of chemical reaction of ClF3/H2 remote plasma on etching of SiNx and SiOy. Possible reaction paths are illustrated.