Marc Ledieu

Title: The Innovative Contributions of Marc Ledieu

Introduction

Marc Ledieu is a notable inventor based in Ballan Mire, France. He has made significant contributions to the field of electromagnetic materials and measurement techniques. With a total of 2 patents, Ledieu's work focuses on advancing the understanding and application of magnetic materials.

Latest Patents

One of Marc Ledieu's latest patents is a method for measuring magnetic permeability and a reference sample used in the latter. This invention relates to a method for measuring the magnetic permeability of a magnetic material by assessing the magnetic interaction of an electromagnetic field with this material. The method utilizes a measuring device that includes a measuring cell connected through a microwave frequency cable to a vector network analyzer. The process involves gauging and calibrating the measuring device, determining corrective coefficients for the measurements, and verifying the device's non-drift using a reference sample. This reference sample comprises at least one inclusion that creates a local artificial permeability, achieved by combining inductive components with capacitive, resistive, or active components.

Another significant patent by Ledieu is for a high-impedance substrate. This substrate includes a first layer made of insulating material, featuring a lower and an upper face. The substrate incorporates conductor patterns that are mechanically linked to it, with some patterns associated with a magnetic tile. Additionally, at least one electrical interconnection connects two distinct points of a conductor pattern, which has an assigned magnetic tile, passing above the magnetic tile associated with the substrate.

Career Highlights

Marc Ledieu is currently employed at the Commissariat à l'Énergie Atomique, where he continues to innovate and contribute to research in electromagnetic materials. His work has been instrumental in developing new methods and materials that enhance the capabilities of electromagnetic applications.

Collaborations

Throughout his career, Ledieu has collaborated with several talented individuals, including Olivier Acher and Olivier Reynet. These collaborations have fostered a productive environment for innovation and research.

Conclusion

Marc Ledieu's contributions to the field of electromagnetic materials and measurement techniques are noteworthy. His innovative patents reflect his commitment to advancing technology and understanding in this area.