Pierre Fontarensky

Title: The Innovative Contributions of Pierre Fontarensky

Introduction

Pierre Fontarensky, an inventive mind based in Sunnyvale, California, has made significant strides in the realm of polishing technology through his innovative patent. His work primarily focuses on feedback control in polishing processes, enhancing the effectiveness and precision of substrate treatments.

Latest Patents

Fontarensky holds a patent titled "Feedback control of polishing using optical detection of clearance." This patent describes a sophisticated method for controlling the polishing of a substrate featuring an overlying layer on an underlying layer or structure. By utilizing an in-situ monitoring system, the polishing process is meticulously overseen, generating a sequence of measurements that are subsequently organized into groups. Each group corresponds to different zones on the substrate, allowing for precise determination of when the overlying layer is cleared. Based on this data, the patent outlines a technique for calculating adjusted polishing pressures for specific zones, ultimately leading to the refinement of polishing techniques for second substrates.

Career Highlights

Pierre Fontarensky is an esteemed employee at Applied Materials, Inc., a leading company in the semiconductor and flat panel display industries. His innovative work has contributed to advanced processes that are crucial in manufacturing high-quality electronic components. Fontarensky's expertise in polishing technology is a testament to his capabilities and dedication to advancing the field.

Collaborations

Throughout his career, Fontarensky has worked alongside notable colleagues, including Kun Xu and Ingemar Carlsson. These collaborations have allowed for the exchange of ideas and further innovations in the technologies related to substrate polishing and monitoring systems.

Conclusion

Pierre Fontarensky continues to make valuable contributions to the field of polishing technology at Applied Materials, Inc. His patent and collaborative efforts exemplify the spirit of innovation that drives advancements in the semiconductor industry. As the demand for more precise and efficient manufacturing processes grows, Fontarensky's work will undoubtedly play an integral role in shaping the future of this technology.