Francois Lange

Title: The Innovative Contributions of Francois Lange

Introduction

Francois Lange is a notable inventor based in Paris, France. He has made significant contributions to the field of optical disk technology, holding a total of six patents. His work has advanced the methods of fabrication and removal of data carrier disks, showcasing his expertise and innovative spirit.

Latest Patents

Francois Lange's latest patents include an "Apparatus for removal of a data carrier disk after molding." This invention involves a disk that carries information obtained by molding from a cut matrix, which is detached from the matrix using a gas jet injected between the disk and the cut matrix. The disk remains in contact with the matrix at both the periphery and the center, with means provided to limit deformation during removal. Another significant patent is for a "Method of fabrication of a protected optical disk and a disk obtained by it." This method involves fabricating a protected optical disk for recording information, where at least one cover is rigidly fixed by welding to an optical disk that has at least one layer of recording material. This process results in the formation of at least two joints by welding, each consisting of at least two weld zones located within a concentric ring.

Career Highlights

Francois Lange is associated with Thomson-CSF, a company known for its technological advancements and innovations. His work at this organization has allowed him to contribute to cutting-edge developments in optical disk technology.

Collaborations

Francois Lange has collaborated with notable coworkers such as Roger Rascle and Jean Cornet. Their combined efforts have likely fostered an environment of innovation and creativity within their projects.

Conclusion

Francois Lange's contributions to the field of optical disk technology through his patents and work at Thomson-CSF highlight his role as a significant inventor. His innovative methods and apparatuses continue to influence the industry.