Harro Hagedorn

Title: Harro Hagedorn: Innovator in Multilayer Coating Technologies

Introduction

Harro Hagedorn is a notable inventor based in Frankfurt-am-Main, Germany. He has made significant contributions to the field of multilayer coating technologies, holding a total of seven patents. His innovative methods and devices have advanced the capabilities of optical coatings, making them more efficient and effective.

Latest Patents

Hagedorn's latest patents include a method for producing a multilayer coating and a device for carrying out this method. The method focuses on reducing optical loss in multilayer coatings by utilizing a sputtering device in a vacuum chamber. This involves reactive depositing a coating on a substrate while maintaining a predetermined stoichiometric deficit. Additionally, the substrate is displaced into the vicinity of a plasma source, which modifies the coating's structure and stoichiometry to further reduce optical loss. Another patent involves a test glass changer designed for optically measuring layer properties in a vacuum coating system. This device features a movable substrate holder and a control device that directs a test glass element into the optical measuring device's ray path.

Career Highlights

Throughout his career, Harro Hagedorn has worked with prominent companies such as Leybold Optics GmbH and Balzers Leybold Optics GmbH. His experience in these organizations has allowed him to refine his expertise in optical coating technologies and contribute to various innovative projects.

Collaborations

Hagedorn has collaborated with notable coworkers, including Michael Scherer and Jurgen Pistner. Their combined efforts have led to advancements in the field of multilayer coatings and have fostered a collaborative environment for innovation.

Conclusion

Harro Hagedorn's contributions to multilayer coating technologies have established him as a key figure in the field. His innovative patents and career achievements reflect his dedication to advancing optical coating methods.