Study of nitridation plasma for ultra-thin gate dielectrics of 65 nm technology node and beyond

Abstract

In the present paper, to find the effective optimization of operation parameters in manufacturing, the gate dielectric nitridation in high-density plasma has been systematically studied by both theoretical and experimental methods. The experimental data are validated against the modeling results. Some plasma parameter correlation has been established to provide a guideline to optimize the nitridation profile in gate dielectric layer across wafer. It paves a way to make further improvement of device performance.

Topics

1 Figures and Tables

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