Won-Tai Ki

Title: Innovations of Won-Tai Ki in Photolithography

Introduction

Won-Tai Ki is a notable inventor based in Suwon, South Korea. He has made significant contributions to the field of photolithography, particularly in the development of masks used for measuring flare produced by projection lenses. With a total of 3 patents, his work has advanced the precision and effectiveness of photolithographic processes.

Latest Patents

His latest patents include a mask for use in measuring flare, a method of manufacturing the mask, a method of identifying flare-affected regions on a wafer, and a method of designing a new mask to correct for flare. These innovations provide a comprehensive approach to quantifying flare produced by projection lenses in photolithography systems. The process involves forming photoresist patterns on a test wafer and comparing the results to identify flare-affected regions. This allows for the correction of mask patterns to ensure uniform photoresist patterns are achieved.

Career Highlights

Won-Tai Ki is currently employed at Samsung Electronics Co., Ltd., where he continues to innovate in the field of photolithography. His work has been instrumental in enhancing the capabilities of photolithographic systems, which are crucial in the manufacturing of semiconductor devices.

Collaborations

He has collaborated with notable colleagues such as Seong-Woon Choi and Tae-Moon Jeong, contributing to the advancement of technologies in their field.

Conclusion

Won-Tai Ki's contributions to photolithography through his innovative patents and collaborations highlight his importance as an inventor in the technology sector. His work continues to influence the efficiency and accuracy of semiconductor manufacturing processes.