Ki-Dae Kim

Title: Innovations by Ki-Dae Kim in Photoresist Technology

Introduction

Ki-Dae Kim, an accomplished inventor based in Taejeon, South Korea, is known for his significant contributions to the field of photoresist technology, holding a total of six patents. His latest innovations focus on developing copolymers and photoresist compositions that enhance the performance and reliability of semiconductor devices.

Latest Patents

One of Ki-Dae Kim's latest patents concerns a copolymer useful for positive photoresist and chemical amplification. This copolymer is characterized by a specific repeating unit and is formulated to include a photoacid generator. The resulting photoresist composition is notable for its ability to maintain good pattern shapes even after a delayed post-baking process. It effectively utilizes various types of radiation, such as ultraviolet light, deep ultraviolet light, and charged particle beams, making it exceptionally adaptable for high-integration semiconductor applications. Moreover, the polymer's properties include superior storage stability and resolution, with a molecular weight ranging between 1,000 and 1,000,000 in terms of polystyrene-reduced average molecular weight.

In addition to this, another patent outlines a positive chemical amplified photoresist composition. This composition employs a polymer with specific repeating units and a photoacid generator to improve sensitivity, resolution, and transmissivity to deep ultraviolet light. The polymer comprises a weight average molecular weight of about 2,000 to 1,000,000 and is developed using an alkaline process, underscoring its superior storage preservativity.

Career Highlights

Ki-Dae Kim is currently affiliated with Korea Kumho Petrochemical Co., Ltd., a notable company in the petrochemical industry. His work in developing advanced materials for photoresists has contributed significantly to the innovation landscape in semiconductor manufacturing processes. With a keen focus on enhancing chemical properties and performance, Kim continues to advance the field.

Collaborations

Throughout his career, Ki-Dae Kim has collaborated with talented professionals such as Seong-Ju Kim and Joo-Hyeon Park. These collaborations have fostered a productive environment, enabling him to push the boundaries of current technologies and work towards cutting-edge solutions together.

Conclusion

Ki-Dae Kim exemplifies the role of inventors in shaping modern technology with his innovative work in photoresist development. With six patents to his name, his contributions are pivotal in enhancing the efficiency and performance of semiconductor devices, proving essential for the continuous progress in this critical sector of technology. His career, marked by collaboration and innovation, paves the way for future advancements in materials science.