Chih-Hsien Chien

Title: Chih-Hsien Chien: Innovator in Chemical-Mechanical Polishing Technologies

Introduction

Chih-Hsien Chien is a notable inventor based in Kaohsiung, Taiwan. He has made significant contributions to the field of chemical-mechanical polishing, particularly in the development of innovative compositions and methods. With a total of 2 patents to his name, Chien continues to push the boundaries of technology in his field.

Latest Patents

Chien's latest patents include two groundbreaking inventions. The first patent focuses on "Nitride inhibitors for high selectivity of TiN—SiN CMP applications." This invention provides a chemical-mechanical polishing composition that includes abrasive particles and a removal rate inhibitor, which enhances the polishing process for substrates comprising TiN and SiN. The second patent, titled "Surface treated abrasive particles for tungsten buff applications," presents a polishing composition that utilizes surface-coated abrasives and an oxidizing agent, specifically designed for substrates containing tungsten or cobalt and silicon oxide.

Career Highlights

Chih-Hsien Chien is currently employed at CMC Materials, Inc., where he applies his expertise in chemical-mechanical polishing technologies. His work has been instrumental in advancing the efficiency and effectiveness of polishing processes in various applications.

Collaborations

Chien collaborates with talented coworkers, including Hung-Tsung Huang and Yi-Hong Chiu. Their combined efforts contribute to the innovative environment at CMC Materials, Inc., fostering advancements in the field.

Conclusion

Chih-Hsien Chien is a prominent figure in the realm of chemical-mechanical polishing, with a focus on developing advanced compositions and methods. His contributions are paving the way for future innovations in the industry.