Sughrue Mion, PLLC
Methods of forming a stack of electrodes and three-dimensional semiconductor devices fabricated thereby
Provided are methods of forming a stack of electrodes and three-dimensional semiconductor devices fabricated thereby. The device may include electrodes sequentially stacked on a substrate to constitute an electrode structure. each of the electrodes may include a connection portion protruding horizontally and outward from a sidewall of one of the electrodes located thereon and an aligned portion having a sidewall coplanar with that of one of the electrodes located thereon or thereunder. Here, at least two of the electrodes provided vertically adjacent to each other may be provided in such a way that the aligned portions thereof have sidewalls that are substantially aligned to be coplanar with each other.
SAMSUNG ELECTRONICS CO., LTD.
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Joonhee Yoocheol Young-Ho Dongseog Seok-won
Lee Shin Lee Eun Lee