Sungjae Chang

Title: Innovations of Sungjae Chang

Introduction

Sungjae Chang is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on developing advanced semiconductor devices that enhance performance and efficiency.

Latest Patents

One of his latest patents is a compound semiconductor device. This device includes a first semiconductor layer with a fin extending in a first direction on a substrate. It features an upper gate electrode that extends in a second direction, which is perpendicular to the first direction. Additionally, a second semiconductor layer is positioned between the sidewall of the fin and the upper gate electrode. A dielectric layer is also included, situated between the top surface of the fin and the upper gate electrode, along with a lower gate structure connected to the bottom surface of the first semiconductor layer.

Another notable patent is for a semiconductor device that has a drain electrode contacting an epi material inside a through-hole. This device comprises a substrate with an insulation layer between a first and a second semiconductor layer. The through-hole penetrates through the substrate, featuring a first hole that goes through the first semiconductor layer and a second hole that penetrates through the insulation layer and the second semiconductor layer. An epi-layer is disposed inside the through-hole, with a drain electrode contacting one surface of the epi-layer, while a source electrode and a gate electrode are positioned on the other surface.

Career Highlights

Sungjae Chang is affiliated with the Electronics and Telecommunications Research Institute, where he continues to innovate in semiconductor technology. His work has been instrumental in advancing the capabilities of electronic devices.

Collaborations

He has collaborated with notable coworkers, including Hokyun Ahn and Hyunwook Jung, contributing to various projects and research initiatives.

Conclusion

Sungjae Chang's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative designs continue to shape the future of electronics.