Hai Won Lee

Title: Innovations of Hai Won Lee in Extreme Ultraviolet Radiation Mask Technology.

Introduction

Hai Won Lee is a prominent inventor based in Seongnam, South Korea. He has made significant contributions to the field of extreme ultraviolet (EUV) radiation technology. His innovative work focuses on the fabrication methods of advanced optical components essential for next-generation lithography processes.

Latest Patents

Hai Won Lee holds a patent for a "Fabrication method of extreme ultraviolet radiation mask mirror using atomic force microscope lithography." This invention pertains to a method for manufacturing a reflective multi-layered thin film mirror for EUV exposure processes. The method utilizes atomic force microscope (AFM) lithography to create high-resolution reflective mirrors. The process allows for the production of metal oxide structures with precise dimensions through anodic oxidation, resulting in ultra-fine line width absorber patterns that are less than 20 nm. This innovative approach offers advantages over traditional manufacturing methods, enhancing the resolution and quality of EUV mask mirrors.

Career Highlights

Hai Won Lee is associated with the Industry-University Cooperation Foundation at Hanyang University. His work in this institution has allowed him to collaborate with other experts in the field, further advancing the technology related to extreme ultraviolet radiation.

Collaborations

Some of his notable coworkers include Sun Woo Lee and Jin Gi Ahn. Their collaborative efforts contribute to the ongoing research and development in the area of EUV technology.

Conclusion

Hai Won Lee's contributions to the field of extreme ultraviolet radiation mask technology exemplify the importance of innovation in advancing manufacturing processes. His patented methods are paving the way for higher resolution optical components, which are crucial for the future of lithography.