Bernard Legrand

Title: Bernard Legrand: Innovator in MEMS Technology

Introduction

Bernard Legrand is a prominent inventor based in Lille, France, known for his significant contributions to the field of micro-electromechanical systems (MEMS) and semiconductor technology. He holds two patents that showcase his innovative approach to solving complex engineering problems.

Latest Patents

1. **Detecting Responses of Micro-Electromechanical System (MEMS) Resonator Device**

This patent focuses on a system designed to detect responses from a MEMS resonator device. It involves first and second signal sources that electrostatically drive the MEMS resonator, resulting in mechanical vibrations. The system includes a signal divider that splits the first signal into a probe signal and a local oscillator signal. The reflected probe signal is modulated to reflect the mechanical resonance frequency, thereby providing a detailed image of the mechanical vibrations.

2. **Semiconductor Infrared Detector and Method for the Production Thereof**

In this second patent, Legrand introduces a semiconductor infrared detector composed of a semiconductor substrate, an insulating layer, and a specifically-patterned semiconductor layer. The patterns feature islands connected by bridges to polarization electrodes, facilitating effective infrared detection.

Career Highlights

Bernard Legrand has worked with notable companies, including Keysight Technologies, Inc. and the Centre National De La Recherche Scientifique. His expertise in MEMS technology and semiconductor devices has enabled him to contribute to significant advancements within these organizations.

Collaborations

Throughout his career, Legrand has collaborated with talented individuals, including colleagues Hassan Tanbakuchi and Damien Ducatteau. These partnerships have fostered an environment of creativity and innovation, helping to advance complex projects in the field of electronics.

Conclusion

Bernard Legrand's innovative spirit and dedication to research and development in MEMS and semiconductor technology have led to impactful inventions that push the boundaries of engineering. His patents not only contribute to academic knowledge but also enhance practical applications in modern technology.