Olivier Saxod

Title: Olivier Saxod: Innovator in Image Sensor Technology

Introduction

Olivier Saxod is a notable inventor based in Grenoble, France. He has made significant contributions to the field of image sensor technology, holding a total of four patents. His work focuses on enhancing the performance and efficiency of image sensors, particularly through innovative designs and functionalities.

Latest Patents

One of Olivier Saxod's latest patents is a device for detecting overflow of charges for backside illumination pixels. This invention involves an image sensor equipped with a pixel that includes a photosensitive region formed in a semiconductor substrate, surrounded by a peripheral isolation trench. The design features a sense node on a charge collecting region and a charge transfer gate, which is crucial for detecting photogenerated charge overflow. The pixel is also provided with a detection acceleration transistor that facilitates the overflow detection process.

Another significant patent by Saxod is an image sensor comprising a plurality of SPAD (Single Photon Avalanche Diode) photodiodes. This sensor includes multiple avalanche photodiodes formed within a semiconductor substrate. The design incorporates trenches that extend vertically from the front side to the back side of the substrate, creating a grid-like structure that defines individual pixels. Each pixel is equipped with a controllable avalanche photodiode, enhancing the sensor's capability to detect light signals effectively.

Career Highlights

Olivier Saxod has worked with prominent organizations, including the Commissariat à l'énergie atomique et aux énergies alternatives. His experience in these institutions has allowed him to develop and refine his innovative ideas in image sensor technology.

Collaborations

Throughout his career, Saxod has collaborated with notable colleagues such as Norbert Moussy and Cédric Giroud-Garampon. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Olivier Saxod's contributions to image sensor technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative designs continue to push the boundaries of what is possible in image sensing applications.