Company Filing History:
Years Active: 2016-2025
Title: Innovations by Sang Ku Ha
Introduction
Sang Ku Ha is a notable inventor based in Incheon, South Korea. He has made significant contributions to the field of display manufacturing through his innovative patents. With a total of 2 patents, his work focuses on enhancing the efficiency and effectiveness of manufacturing processes.
Latest Patents
Sang Ku Ha's latest patents include a photoresist stripper composition for manufacturing displays. This invention relates to an integrated photoresist stripper composition that can be utilized in every process of display manufacturing. It is particularly effective in removing modified photoresist after various processes, including hard bake, implant, and dry etch processes. The composition also exhibits a corrosion inhibitory effect, specifically designed for copper wiring pattern edge portions that are prone to corrosion after dry-etching.
Another significant patent is a composition for removing and preventing the formation of oxide on the surface of metal wires. This invention proposes a method for eliminating oxide formed on copper films used in semiconductor manufacturing, organic light-emitting diodes, LEDs, or liquid crystal displays. The composition, which includes a corrosive amine, can effectively remove metal oxide without causing corrosion to the underlying metal film.
Career Highlights
Sang Ku Ha is currently employed at Ltc Co., Ltd., where he continues to develop innovative solutions for the display manufacturing industry. His expertise in creating effective chemical compositions has positioned him as a valuable asset in his field.
Collaborations
Sang Ku Ha has collaborated with notable coworkers, including Ho Sung Choi and Jong Soon Lee. Their combined efforts contribute to the advancement of technology in display manufacturing.
Conclusion
Sang Ku Ha's contributions to the field of display manufacturing through his innovative patents demonstrate his commitment to enhancing manufacturing processes. His work continues to influence the industry positively.