Joon Yeon Chang

Title: Joon Yeon Chang: Innovator in Reconfigurable Logic Devices

Introduction

Joon Yeon Chang is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of electronics, particularly in the development of innovative devices that utilize advanced materials and technologies. With a total of 15 patents to his name, Chang continues to push the boundaries of what is possible in electronic device design.

Latest Patents

One of his latest inventions is a reconfigurable logic device using electrochemical potential. This device features first and second semiconductor channels, where the effective magnetic field direction of each channel is controlled by the current direction. The device includes a first ferromagnetic gate contacting the first semiconductor channel and a second ferromagnetic gate for the second channel, with the magnetization direction controlled by a gate voltage. Additionally, a control unit calculates a difference value corresponding to the difference between two determination values, comparing it with a reference value to determine an output value.

Another notable patent is a spin control electronic device operable at room temperature. This device includes a transfer channel made of a low-dimensional nanostructure located on a substrate. The nanostructure has an elongate shape in one direction and a triangular cross-section when cut along a perpendicular direction. It also features a source electrode that intersects the transfer channel and a drain electrode spaced apart from the source electrode, both covering parts of the transfer channel.

Career Highlights

Joon Yeon Chang has worked with esteemed organizations such as the Korea Institute of Science and Technology and the United States Navy. His work in these institutions has allowed him to collaborate on various innovative projects, further enhancing his expertise in the field.

Collaborations

Throughout his career, Chang has collaborated with notable colleagues, including Suk Hee Han and Hyun Woo Koo. These partnerships have contributed to the advancement of his research and the successful development of his inventions.

Conclusion

Joon Yeon Chang is a distinguished inventor whose work in reconfigurable logic devices and spin control electronics showcases his innovative spirit and technical expertise. His contributions continue to influence the field of electronics, paving the way for future advancements.