Company Filing History:
Years Active: 2013-2025
Title: The Innovative Contributions of Sunghae Lee
Introduction
Sunghae Lee is a prominent inventor based in Suwon-si, South Korea. He has made significant contributions to the field of semiconductor memory technology, holding a total of 9 patents. His work focuses on enhancing the efficiency and performance of memory devices, particularly in the realm of three-dimensional NAND memory.
Latest Patents
One of Sunghae Lee's latest patents is for a 3-dimensional NAND memory with a reduced thermal budget. This invention describes methods of manufacture and memory cells that experience less heating by incorporating a blocking layer made of magnesium oxide (MgO). The manufacturing process includes annealing after the deposition of MgO, with temperatures maintained below 900° C. or even 800° C. Additionally, the memory cells may feature a CMOS Under Array (CuA) structure, which is integral to the functionality of three-dimensional NAND memory devices. Another notable patent involves semiconductor memory devices and methods for their fabrication. This invention outlines a semiconductor memory device that consists of multiple gates stacked vertically on a substrate, with a vertical channel that fills a channel hole penetrating the gates. The design includes a memory layer that extends along the inner sidewall of the channel, enhancing the device's performance.
Career Highlights
Sunghae Lee has worked with leading companies in the technology sector, including Samsung Electronics and Entegris. His experience in these organizations has allowed him to develop innovative solutions that address the challenges faced in semiconductor memory technology.
Collaborations
Throughout his career, Sunghae Lee has collaborated with notable colleagues such as Kihyun Hwang and Daehyun Jang. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Sunghae Lee's contributions to the field of semiconductor memory technology are noteworthy, with his innovative patents paving the way for advancements in memory devices. His work continues to influence the industry and inspire future innovations.