Serge Lehmann

Title: The Innovations of Serge Lehmann

Introduction

Serge Lehmann is a notable inventor based in Sainte Genevieve des Bois, France. He has made significant contributions to the field of electrical engineering, particularly in the development of thyristors. With a total of two patents to his name, Lehmann's work has had a considerable impact on the industry.

Latest Patents

Lehmann's latest patents include a reverse conduction thyristor and a power thyristor with a high triggering speed. The reverse conduction thyristor patent focuses on a design that incorporates a diode integrated with the thyristor. This design features a P+ anode, a slightly doped N layer, and an N+ cathode, which facilitates electrical contact. The addition of a thin extra layer of P type between the P+ cathode and the N layer enhances the critical speed of voltage increase in the thyristor's blocked state. The second patent, concerning a power thyristor, emphasizes rapid triggering capabilities. It includes a triggering emitter and features a symmetrical corrugated shape that allows for interdigitation, improving the triggering speed without compromising the maximum intensity.

Career Highlights

Lehmann is associated with the company Société Générale de Constructions Électriques et Mécaniques, commonly known as Alsthom. His work at this company has allowed him to explore innovative solutions in electrical engineering and contribute to advancements in thyristor technology.

Collaborations

Lehmann has collaborated with fellow inventor Serge Andre, working together to push the boundaries of electrical engineering and develop new technologies.

Conclusion

Serge Lehmann's contributions to the field of electrical engineering, particularly through his patents on thyristors, showcase his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future innovations.