Rainer Kirchmann

Title: Rainer Kirchmann: Innovator in Plasma-Chemical Etching

Introduction

Rainer Kirchmann is a notable inventor based in Neckarsulm, Germany. He has made significant contributions to the field of semiconductor technology, particularly in the area of plasma-chemical etching processes. His innovative work has led to the development of a unique method that enhances the etching of silicon nitride layers.

Latest Patents

Rainer Kirchmann holds a patent for a "Method for anisotropic plasma-chemical dry etching of silicon nitride layers using a gas mixture containing fluorine." This patent describes an etching gas mixture that includes CHF, SF, and a non-oxidizing gas such as argon. The process allows for differential or selective etching of silicon nitride relative to silicon oxide without the use of oxygen, chlorine, bromine, iodine, or halides. By adjusting the gas flow rates or composition ratios, the etching selectivity and edge slope angle of the silicon nitride layer can be finely tuned, achieving a high etch rate.

Career Highlights

Rainer Kirchmann is associated with Temic Semiconductor GmbH, where he applies his expertise in semiconductor manufacturing processes. His work has been instrumental in advancing the technology used in the production of semiconductor devices.

Collaborations

Rainer Kirchmann collaborates with Norbert Gellrich, contributing to the development of innovative solutions in the semiconductor industry.

Conclusion

Rainer Kirchmann's contributions to plasma-chemical etching represent a significant advancement in semiconductor technology. His innovative methods continue to influence the industry and enhance the efficiency of semiconductor manufacturing processes.