Sung Min Choi

Title: Innovations by Sung Min Choi

Introduction

Sung Min Choi is a notable inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the field of substrate processing and immunoglobulin purification. With a total of 4 patents to his name, his work reflects a commitment to advancing technology in these areas.

Latest Patents

One of his latest patents is an "Apparatus and method for processing substrate." This invention provides a substrate processing method capable of stably performing atomic layer etching without damaging a process chamber. The method involves providing a substrate that includes a target layer in a chamber, forming a first plasma using a first gas containing chlorine to reform the target layer, and forming a second plasma using a second gas containing oxygen to further reform the first reformed target layer. The process continues by providing a precursor into the chamber to react with the second reformed target layer, ultimately allowing for the removal of at least a portion of the target layer through repeated cycles of plasma formation and precursor provision.

Another significant patent is the "Method for purification of immunoglobulin." This invention relates to an improved method of purifying immunoglobulin, which effectively removes impurities from an immunoglobulin-containing plasma protein sample. The method utilizes a simple process that includes a single anion-exchange chromatography and a single cation-exchange chromatography, ensuring high purity levels.

Career Highlights

Sung Min Choi has worked with prominent companies such as Green Cross Holdings Corporation and The Green Cross Corporation. His experience in these organizations has contributed to his expertise in the field and has allowed him to develop innovative solutions.

Collaborations

Throughout his career, he has collaborated with talented individuals, including Kang Yun Seo and Ki-Hwan Son. These partnerships have likely enhanced his research and development efforts.

Conclusion

Sung Min Choi's contributions to substrate processing and immunoglobulin purification demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of complex processes and a commitment to improving existing methods.