Inventor
YU JIHWAN
KR3 patents
Patents
3 patentsUS10354740B2Jul 16, 2019
Three-dimensional semiconductor memory devices including first contact having a stepwise profile at interface between two portions
SAMSUNG ELECTRONICS CO LTD14 citations91
US10748634B2Aug 18, 2020
Three-dimensional semi-conductor memory devices including a first contact with a sidewall having a stepwise profile
SAMSUNG ELECTRONICS CO LTD3 citations70
USRE50782EFeb 3, 2026
Three-dimensional semiconductor memory devices including a first contact with a sidewall having a stepwise profile
SAMSUNG ELECTRONICS CO LTD0 citations60