Hyeongcheol Lee

Title: Hyeongcheol Lee: Innovator in Substrate Inspection Technology

Introduction

Hyeongcheol Lee is a prominent inventor based in Suwon-si, South Korea. He is known for his contributions to the field of substrate inspection technology. His innovative approach has led to the development of a unique patent that enhances the reliability of substrates used in various electronic applications.

Latest Patents

Hyeongcheol Lee holds a patent for a "Substrate Inspection Apparatus and Substrate Inspection Method." This invention involves a substrate that is placed on a substrate stage, featuring internal wires and connection wires. The internal wires are situated between stacked insulating layers, while the connection wires extend from the internal wires and are exposed on the substrate's upper surface. The method includes modeling the electric circuit of the internal wires to generate a circuit model. By applying AC power to the substrate stage, measured capacitance values of the internal wires are obtained through currents from the connection wires. Additionally, DC power is applied to acquire measured resistance values through voltages from the connection wires. The impedance values of the internal wires are calculated using the measured capacitance and resistance values, allowing for a comparison with the circuit model to determine the substrate's reliability.

Career Highlights

Hyeongcheol Lee is currently employed at Samsung Electronics Co., Ltd., where he continues to innovate and contribute to advancements in technology. His work has significantly impacted the field of electronics, particularly in improving substrate inspection methods.

Collaborations

Hyeongcheol Lee collaborates with talented colleagues, including Sekye Jeon and Jinwoo Lee. Their combined expertise fosters a creative environment that drives innovation within their projects.

Conclusion

Hyeongcheol Lee's contributions to substrate inspection technology exemplify the importance of innovation in the electronics industry. His patent not only enhances the reliability of substrates but also showcases his commitment to advancing technology.