Gilsung Lee

Title: **Innovator Spotlight: Gilsung Lee**

Introduction:

Gilsung Lee is an accomplished inventor based in Seoul, South Korea, recognized for his significant contributions to the development of advanced semiconductor technologies. With a total of five patents to his name, Lee stands out in the field of memory device innovation.

Latest Patents:

Among Lee's latest inventions is a **three-dimensional semiconductor memory device** that features a first vertical structure on one region of the substrate and a wider second vertical structure on another region. This device incorporates a first stack structure and a second stack structure, along with a first common source plug and a second common source plug positioned between these stack structures. The design includes a vertical dielectric structure interposed between the source plugs. Each stack comprises multiple insulation layers and electrodes layered alternately on the substrate. The first common source plug connects to the substrate, while the second common source plug is distanced from it.

Another notable patent from Lee is his innovation titled **three-dimensional semiconductor memory device**, which consists of a substrate divided into a cell array region and a connection region. It features a dummy trench on the connection region, alongside an electrode structure that showcases vertically stacked electrodes in a staircase configuration. A dummy insulating structure is located within the dummy trench, including an etch stop pattern that is spaced apart from both the substrate and the electrode structure. Furthermore, the device includes a cell channel structure penetrating the electrode structure to connect with the substrate, as well as a dummy channel structure that penetrates both the electrode structure and part of the dummy insulating structure.

Career Highlights:

Gilsung Lee works with Samsung Electronics Co., Ltd., where his innovative efforts contribute to the advancement of semiconductor technology. His expertise in designing memory devices sets a standard in the industry, and he has become a key player in the company's research and development initiatives.

Collaborations:

Throughout his career, Lee has collaborated with esteemed colleagues, including Eunsuk Cho and Kangyoon Choi. These partnerships highlight the importance of teamwork in driving innovation within the semiconductor field, fostering new ideas, and enhancing product development.

Conclusion:

In summary, Gilsung Lee's contributions to the field of semiconductor memory devices mark him as a leading inventor. His recent patents exemplify cutting-edge innovations that promise to shape the future of memory technology, solidifying his reputation in the industry. Through his work with Samsung Electronics Co., Ltd. and collaborative relationships with fellow inventors, Lee continues to advance the frontiers of technology in meaningful ways.