Company Filing History:
Years Active: 2019-2022
Title: Innovations of Dong Hyun Han in Memory Technology
Introduction
Dong Hyun Han is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of memory technology, holding two patents that showcase his innovative approach to improving memory devices.
Latest Patents
His latest patents include a "Stacked Memory Apparatus Using Error Correction Code and Repairing Method Thereof." This invention provides a stacked memory apparatus that stores information about spare resources during a pre-bond process. It checks the availability of spare resources in a post-bond process and corrects errors through an error correction code. This method variably uses the same number of spare resources to ensure a higher yield.
Another notable patent is the "Stacked Memory Device Using Base Die Spare Cell and Method of Repairing the Same." This invention involves a stacked memory device where spare cells for post-bond testing and repair are integrated into a base die. The spare cells can be utilized across multiple memory layers, allowing for a permanent storage of repair results after testing. This innovation eliminates the need for retesting even when power to the memory is interrupted, thus enhancing the repair rate and reducing time wasted during memory layer access.
Career Highlights
Dong Hyun Han is affiliated with Yonsei University, where he continues to advance research in memory technology. His work has significantly impacted the efficiency and reliability of memory devices, making him a key figure in this field.
Collaborations
He collaborates with notable colleagues such as Sungho Kang and Ha Young Lee, contributing to a dynamic research environment that fosters innovation.
Conclusion
Dong Hyun Han's contributions to memory technology through his patents reflect his commitment to advancing the field. His innovative approaches not only improve device performance but also enhance the overall efficiency of memory systems.