Jang-Yul Kim

Title: Jang-Yul Kim: Innovator in CMP Slurry Technology

Introduction

Jang-Yul Kim is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of chemical mechanical polishing (CMP) technology, particularly in the semiconductor industry. With a total of 9 patents to his name, Kim's work focuses on improving the efficiency and effectiveness of polishing processes.

Latest Patents

Among his latest innovations, Kim has developed a CMP slurry that reduces dishing generation when applied to the polishing or planarization of silicon oxide layers. This CMP slurry includes a polishing abrasive, a linear anionic polymer, a compound with a phosphoric acid group, and water. The specific ratio of CMP polishing speed to a silicon oxide layer compared to a silicon nitride layer ranges from 30:1 to 50:1. Additionally, he has created cerium oxide powder for CMP abrasives, which enhances the polishing selectivity of silicon oxide layers over silicon nitride layers. This cerium oxide powder is derived from cerium carbonate with a hexagonal crystal structure, and it is utilized in a CMP slurry that improves within-wafer non-uniformity during the semiconductor fabrication process.

Career Highlights

Jang-Yul Kim is currently employed at LG Chem, Ltd., where he continues to innovate in the field of CMP technology. His work has been instrumental in advancing the capabilities of semiconductor manufacturing processes.

Collaborations

Kim has collaborated with notable colleagues, including Jong-Pil Kim and Seung-Beom Cho, to further enhance the development of CMP technologies.

Conclusion

Jang-Yul Kim's contributions to CMP slurry technology have positioned him as a key figure in the semiconductor industry. His innovative patents reflect his commitment to improving manufacturing processes and enhancing product quality.