Sang Hwa Yoon

Title: **Inventor Sang Hwa Yoon: A Pioneer in Electrolytic Materials**

Introduction

Sang Hwa Yoon is an accomplished inventor based in Iksan-si, South Korea, known for his innovative contributions to the field of electrolytic materials. With three patents to his name, Yoon focuses primarily on advancements in nickel and copper foils used in electronic applications. His work has significant implications for the production of thin-film capacitors and ensuring quality in electronic assemblies.

Latest Patents

Yoon’s latest patents reflect his deep expertise and commitment to innovation in material science. One notable patent is for a **nickel foil for the production of thin-film capacitors**, which details an electrolytic nickel foil featuring a flat surface with specific roughness properties, necessary for optimal performance in electronic applications. The characterized surface has a Ra of 0.05 μm or less, an Rz of 0.2 μm or less, and a Rt of 0.5 μm or less, with a glossiness of 200 GU or more determined by a 60° specular reflection angle.

Another significant patent involves a **surface-treated copper foil**, which emphasizes a manufacturing method that includes a surface-treated layer with copper particles sized between 10 nm to 100 nm and a controlled roughness. This copper foil is designed to include an oxidation preventing layer containing nickel and phosphorus, enhancing the longevity and reliability of electronic devices. This design contributes to the efficiency of copper foil laminates and printed wiring boards, crucial components in modern electronics.

Career Highlights

Throughout his career, Sang Hwa Yoon has worked with notable companies that emphasize innovation in materials technology. He has been associated with Iljin Materials Co., Ltd. and Lotte Energy Materials Corporation, where he has contributed to various research and product development projects, enhancing the capabilities and applications of electrolytic materials in the market.

Collaborations

Collaboration and teamwork have played a significant role in Yoon's achievements. He has worked alongside talented colleagues such as Chang Yol Yang and Jung Woo Seo, leveraging their combined expertise to push boundaries in the field of material innovations.

Conclusion

Sang Hwa Yoon's contributions to the field of electrolytic materials reflect a commitment to advancing technology in electronics. His latest patents in nickel and copper foil innovations not only demonstrate his expertise but also pave the way for more efficient and reliable electronic components. Through collaboration and innovation, Yoon continues to make significant strides in his field, positioning him as a respected inventor in the materials science community.