Frederic Lebrun

Title: Frederic Lebrun: Innovator in Semiconductor Processing

Introduction

Frederic Lebrun is a notable inventor based in Every, France. He has made significant contributions to the field of semiconductor processing, particularly through his innovative patent that addresses the challenges of planarizing TEOS SiO₂ filled shallow isolation trenches.

Latest Patents

Frederic Lebrun holds a patent for a "Method for planarizing TEOS SiO₂ filled shallow isolation trenches." This invention outlines a method that includes three processing steps to achieve a planar surface on a silicon substrate coated with a patterned Si₃N₄ layer. The process involves the use of a planarizing medium, typically two superimposed photoresist layers, followed by a non-selective two-step plasma etching and a highly selective RIE etching step. The preferred chemistry for this process includes C₄F₈/Ar or a C₄F₈/CO/Ar mixture. This method significantly improves final test yield, reduces costs, and enhances reproducibility.

Career Highlights

Frederic Lebrun is associated with International Business Machines Corporation (IBM), where he has applied his expertise in semiconductor technology. His work has contributed to advancements in the manufacturing processes of integrated circuits.

Collaborations

Frederic has collaborated with notable colleagues such as Philippe Coronel and Renzo Maccagnan. Their combined efforts have furthered the development of innovative solutions in the semiconductor industry.

Conclusion

Frederic Lebrun's contributions to semiconductor processing through his patent demonstrate his commitment to innovation and excellence in the field. His work continues to influence the industry positively.