Yi-Nong Chung

Title: Yi-Nong Chung: Innovator in EUV Lithography Technology

Introduction

Yi-Nong Chung is a prominent inventor based in Kaohsiung, Taiwan. He has made significant contributions to the field of extreme ultraviolet (EUV) lithography, which is crucial for advanced semiconductor manufacturing. His innovative work focuses on improving the optical stability of EUV mirrors, which play a vital role in the lithography process.

Latest Patents

Yi-Nong Chung holds a patent for an "EUV mirror with improved optical stability." This invention includes a heated extreme ultraviolet (EUV) mirror, a method of making the same, and a projection optics box (POB) of an EUV lithography scanner employing the mirror. The POB is designed to include EUV mirrors arranged inside a vacuum chamber to project an image of a reflective EUV photolithography mask onto a semiconductor wafer. Each EUV mirror features a mirror support and an EUV-reflective multilayer on its front side. Notably, at least one of the mirrors is heated, incorporating a resistive heater within its support to control the mirror's temperature during the exposure of a photoresist layer on the wafer.

Career Highlights

Yi-Nong Chung is currently employed at Taiwan Semiconductor Manufacturing Company Limited, where he continues to advance his research and development efforts in semiconductor technology. His work is instrumental in enhancing the efficiency and effectiveness of EUV lithography processes.

Collaborations

One of his notable collaborators is Yung-Yao Lee, with whom he has worked closely on various projects related to EUV technology.

Conclusion

Yi-Nong Chung's contributions to EUV lithography technology exemplify the innovative spirit of modern inventors. His patent for an improved EUV mirror showcases his commitment to advancing semiconductor manufacturing processes.