Dong Sook Chang

Title: Innovations of Dong Sook Chang

Introduction

Dong Sook Chang is a prominent inventor based in Pyeongtaek-si, South Korea. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work primarily focuses on advancements in flash memory devices and manufacturing methods for semiconductor devices.

Latest Patents

One of his latest patents is titled "Flash memory device and mask for fabricating the same." This invention includes a flash memory device that comprises an active region, drain contacts, a source contact line, and source contacts. The active regions are formed on a substrate that extends from a source region to a drain region. The drain contacts are positioned over the active regions in the drain region, while the source contact line is located in the source region of the semiconductor substrate. This innovative design features zigzag-shaped source contacts that are strategically separated from the corresponding drain contacts.

Another notable patent is the "Method for manufacturing semiconductor device." This method involves creating fine patterns with various critical dimensions by adjusting the thickness of spacers used as an etching mask in Spacer Patterning Technology (SPT). The process includes forming spacers at different levels over an etching target layer and etching the exposed areas of the target layer among the spacers.

Career Highlights

Dong Sook Chang is currently employed at Hynix Semiconductor Inc., where he continues to push the boundaries of semiconductor technology. His expertise and innovative mindset have made him a valuable asset to the company.

Collaborations

Throughout his career, Dong Sook Chang has collaborated with talented individuals such as Hyoung Soon Yune and Mi Hye Kim, who is a notable female engineer in the field. These collaborations have further enhanced the quality and impact of his inventions.

Conclusion

Dong Sook Chang's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the industry. His innovative work continues to shape the future of flash memory devices and semiconductor manufacturing methods.