Franck Stemmelen

Title: Innovations by Franck Stemmelen

Introduction

Franck Stemmelen is a notable inventor based in Vaureal, France. He has made significant contributions to the field of vacuum evaporation technology. With a total of 2 patents, his work focuses on enhancing the efficiency and effectiveness of evaporation processes.

Latest Patents

Stemmelen's latest patents include an "Evaporation cell for vacuum evaporation chamber and associated evaporation method." This invention relates to an evaporation cell designed for a vacuum evaporation chamber. The evaporation cell comprises a crucible that is adapted to receive a solid or liquid material to be sublimated or evaporated. It features heating means to heat the material in the crucible, a nozzle placed at an open end of the crucible, and a cover that forms a thermal barrier between the crucible and the vacuum evaporation chamber.

Another significant patent is the "Injector for a vacuum evaporation source." This injector includes an injection duct with a longitudinal axis and an inlet port that can be connected to a vacuum evaporation source. It also features at least one nozzle for diffusing vaporized material, designed to prevent clogging by oxidized materials.

Career Highlights

Franck Stemmelen works at Riber, a company known for its expertise in molecular beam epitaxy and other advanced technologies. His role involves developing innovative solutions that improve the performance of vacuum evaporation systems.

Collaborations

Some of his notable coworkers include Jean-Louis Guyaux and Olivier Grange. Their collaboration has contributed to the advancement of technologies in the field of vacuum evaporation.

Conclusion

Franck Stemmelen's contributions to vacuum evaporation technology through his patents demonstrate his innovative spirit and commitment to advancing the field. His work continues to influence the industry and inspire future innovations.