公开(公告)号：US20240120007A1

公开(公告)日：2024-04-11

申请号：US18471746

申请日：2023-09-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chul Min CHOI ,  Chang Hoon BYEON ,  Sun Il SHIM

IPC: G11C16/04 ,  H01L25/065 ,  H10B41/10 ,  H10B41/27 ,  H10B41/35 ,  H10B41/40 ,  H10B43/10 ,  H10B43/27 ,  H10B43/35 ,  H10B43/40 ,  H10B80/00

CPC classification number: G11C16/0483 ,  H01L25/0652 ,  H10B41/10 ,  H10B41/27 ,  H10B41/35 ,  H10B41/40 ,  H10B43/10 ,  H10B43/27 ,  H10B43/35 ,  H10B43/40 ,  H10B80/00 ,  H01L2225/06506

Abstract: A semiconductor memory device may include a cell substrate; a mold structure including a plurality of gate electrodes stacked on the cell substrate; a channel structure penetrating the mold structure; a string select line on the mold structure; a string select channel structure penetrating the string select line and contacting the channel structure; an anti-arcing contact penetrating the mold structure; an insulating pattern between the anti-arcing contact and the plurality of gate electrodes; and an anti-arcing insulating pattern penetrating the string select line to be in contact with the anti-arcing contact.