Samsung Electronics Co., Ltd.

Taegon Lee

Sungmin Hwang

Bongtae Park

Jaejoo Shim

Dongsung Woo

Taewon Kang

A semiconductor device and a data storage system including the same, the semiconductor device including a substrate structure; a stack structure; a vertical memory structure; a vertical dummy structure; and an upper separation pattern, wherein hen viewed on a plane at a first height level, higher than a height level of a lowermost end of the upper separation pattern, the dummy channel layer includes a first dummy channel region facing the dummy data storage layer and a second dummy channel region facing the dummy data storage layer, the first dummy channel region having a thickness different from a thickness of the second dummy channel region.

Growing community of inventors

Seoul, South Korea

Taegon Lee