Sang-Ku Ha

Title: Innovations of Sang-Ku Ha in Photoresist Stripper Composition

Introduction

Sang-Ku Ha is an accomplished inventor based in Incheon, South Korea. He has made significant contributions to the field of liquid crystal display (LCD) manufacturing through his innovative patent. His work focuses on enhancing the efficiency and effectiveness of photoresist stripper compositions used in the production of TFT-LCDs.

Latest Patents

Sang-Ku Ha holds a patent for a photoresist stripper composition specifically designed for manufacturing liquid crystal displays. This invention relates to an integrated photoresist stripper composition that can be utilized across all processes involved in TFT-LCD manufacturing. The aqueous photoresist stripper composition includes several key components, such as a potential metal and metal oxide corrosion inhibitor, a transition metal corrosion inhibitor, a primary alkanolamine, a cyclic alcohol, water, an aprotic polar organic solvent, and a protic polar organic solvent. This composition demonstrates exceptional ability to remove degenerated photoresist produced after various processes, including hard baking, implantation, and dry etching in semiconductor or flat display panel processes.

Career Highlights

Sang-Ku Ha is currently employed at LTC Co., Ltd., where he continues to develop innovative solutions for the LCD manufacturing industry. His expertise in photoresist stripper compositions has positioned him as a valuable asset to his company and the broader field of display technology.

Collaborations

Sang-Ku Ha has collaborated with notable colleagues, including Ho-Sung Choi and Kwang-Hyun Ryu. Their combined efforts contribute to advancements in the technology and processes related to liquid crystal displays.

Conclusion

Sang-Ku Ha's innovative work in photoresist stripper compositions has significantly impacted the manufacturing of liquid crystal displays. His contributions continue to enhance the efficiency and effectiveness of LCD production processes.