Woo-Sin Kim

Title: Inventor Spotlight: Woo-Sin Kim

Introduction

Woo-Sin Kim is an innovative inventor based in Pohang-si, South Korea, known for his contributions to the field of electrical steel materials. With three patents to his name, Kim has made significant strides in enhancing the manufacturing processes surrounding grain-oriented electrical steel sheets, crucial for improving the performance of electrical transformers and motors.

Latest Patents

Kim’s recent patents include advanced methods for producing grain-oriented electrical steel sheets. One of his notable inventions is a manufacturing method that involves several intricate steps: the creation of a cold-rolled sheet, the formation of grooves within this sheet, the removal of surface Fe—O oxide, followed by primary and secondary recrystallization annealing. These processes ensure that the resulting product boasts optimal performance characteristics, particularly a close contacting property coefficient between 0.016 to 1.13.

Another key patent focuses on producing grain-oriented electrical steel sheets using laser technology. This method involves partially removing an oxide layer to achieve a thickness between 1 to 5 nm, ensuring that the grain-oriented electrical steel exhibits minimal islands under the oxide layer, thus enhancing its functional properties.

Career Highlights

Woo-Sin Kim is currently associated with POSCO Co., Ltd., a major player in the steel industry. His work has been instrumental in advancing the methodologies employed in the production of high-quality electrical steel, contributing to both the technological and industrial landscape.

Collaborations

Throughout his career, Kim has collaborated with other talented individuals in the field, including Oh-Yeoul Kwon and Jong-Tae Park. These collaborations have fostered an environment of shared knowledge and innovative approaches, enhancing the impact of their combined expertise in the development of new technologies.

Conclusion

Woo-Sin Kim's contributions to the field of electrical steel manufacturing underscore the importance of innovation in materials science. His patents not only reflect his ingenuity but also serve as a foundation for future advancements in the industry. Through his work, Kim continues to pave the way for improved technologies that benefit various electrical applications.