Woo Chang Lim

Title: Woo Chang Lim: A Leader in Magnetic Memory Device Innovations

Introduction: Woo Chang Lim, based in Hwaseong-si, South Korea, is an accomplished inventor with a remarkable portfolio of 24 patents. His work primarily centers around cutting-edge technology in magnetic memory devices, contributing significantly to advancements in the field.

Latest Patents: Among Woo Chang Lim's latest patents is a groundbreaking magnetic memory device. This device features a line pattern on a substrate and a magnetic tunnel junction pattern placed on the line pattern. An upper conductive line is strategically positioned apart from the line pattern across the magnetic tunnel junction pattern. This innovative configuration allows the line pattern to provide spin-orbit torque to the magnetic tunnel junction pattern, utilizing a chalcogen-based topological insulator.

Another notable patent involves a method for the cryogenic oxidation of the metal layer in a magnetic-tunnel-junction (MTJ) device. This method includes forming a free magnetic layer over a substrate, followed by the formation of a metal layer on the free magnetic layer. The metal layer is then oxidized by exposure to an oxidation gas at a temperature of 250 K or lower, highlighting Woo Chang Lim's innovative approaches to enhancing MTJ device performance.

Career Highlights: Woo Chang Lim has made significant contributions during his tenure at prominent organizations. He has worked with Samsung Electronics Co., Ltd., where he was instrumental in developing advanced technologies in magnetic memory. Additionally, his association with the Korea University Research and Business Foundation further showcases his commitment to innovation and research in this dynamic field.

Collaborations: Throughout his career, Woo Chang Lim has collaborated with noteworthy colleagues, including Woojin Kim and Sechung Oh. These collaborations have enabled the sharing of ideas and expertise, further driving innovation in magnetic memory technologies.

Conclusion: With a solid track record of patents and a focus on magnetic memory devices, Woo Chang Lim continues to pave the way for future innovations in the industry. His inventions not only illustrate his technical prowess but also contribute to the ongoing evolution of memory technology, ensuring that his legacy will have a lasting impact.