Sung-Bok Lee

Title: **Innovative Contributions of Inventor Sung-Bok Lee**

Introduction

Sung-Bok Lee is a notable inventor based in Yongin-si, South Korea, recognized for his groundbreaking work in the field of semiconductor technology. With a portfolio of four patents, he continues to make significant strides in innovation, particularly in memory devices that are crucial to the advancement of electronics.

Latest Patents

One of his latest patents showcases a **three-dimensional semiconductor memory device**. This invention features a substrate that includes a cell array region, connection region, and block selection region strategically positioned between the cell array and connection regions. The device employs a stack structure comprising horizontal layers that are vertically stacked. Each layer includes electrode portions that extend in a first direction on the cell array and block selection regions, alongside a connecting portion on the connection region that links the electrode portions in a perpendicular second direction. Notably, block selection gate electrodes intersect the sidewalls of the electrode portions on the block selection region. Furthermore, the system's innovation lies in its design, where each electrode portion consists of a first semiconductor region with a specific conductivity type complemented by a channel dopant region of a contrasting type.

Another significant patent revolves around the **operation method of a memory controller** designed to manage a nonvolatile memory device made up of multiple memory blocks. This method includes detecting invalid blocks among the memory blocks, determining an invalid pattern based on the state of these blocks, and performing operations to adjust the invalid blocks to match the identified invalid pattern.

Career Highlights

Sung-Bok Lee is associated with Samsung Electronics Co., Ltd., a leader in electronic innovation. His contributions to the field of semiconductor memory technology have further solidified the company's reputation as a pioneer in electronics and technology.

Collaborations

During his tenure at Samsung Electronics, he has collaborated with esteemed colleagues including Joon-Hee Lee and Hong-Soo Kim. These collaborations have been instrumental in driving forward the innovative scope within their projects, leveraging diverse expertise to achieve significant advancements in semiconductor technology.

Conclusion

Sung-Bok Lee's innovative work and his impressive portfolio of patents highlight his valuable contributions to the field of memory technology. His dedication to advancing semiconductor devices is paving the way for more efficient and effective memory solutions, reflecting the relentless drive for innovation that characterizes the technology sector today.