Roman A Ivanov

Title: Innovations of Roman A Ivanov

Introduction

Roman A Ivanov is a prominent inventor based in Aurora, IL (US), known for his significant contributions to the field of chemical-mechanical polishing. With a total of 17 patents to his name, Ivanov has developed innovative methods and compositions that enhance the polishing processes of various substrates.

Latest Patents

Among his latest patents, Ivanov has introduced a composition and method for polishing boron-doped polysilicon. This invention provides a method of chemically mechanically polishing a substrate, particularly one comprising boron-doped polysilicon. The method involves contacting the substrate with a polishing composition that includes abrasives such as α-alumina and silica, along with ferric ion, an organic acid, and water. Additionally, he has developed a chemical-mechanical polishing composition for silicon nitride containing substrates. This composition features cationic silica particles dispersed in an aqueous carrier, along with specific polishing additives, ensuring effective polishing of silicon nitride substrates.

Career Highlights

Throughout his career, Ivanov has worked with notable companies, including E Ink California, LLC and CMC Materials, Inc. His experience in these organizations has allowed him to refine his expertise in the field of materials science and polishing technologies.

Collaborations

Ivanov has collaborated with esteemed colleagues such as Ming Wang and Hui Du, contributing to advancements in the industry through shared knowledge and innovative ideas.

Conclusion

Roman A Ivanov's work in the field of chemical-mechanical polishing has led to significant advancements, as evidenced by his numerous patents and collaborations. His contributions continue to influence the industry and pave the way for future innovations.