Patent ID: 11950404
Assignee: SK HYNIX INC.
Field: Computer technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 7:
8. A memory device, comprising:
a word line stack including word lines that are alternately stacked perpendicular to a substrate, and including an edge portion and an additional edge portion which is parallel to the edge portion;
at least one small supporter extending vertically in a direction that the word lines are stacked and supporting the edge portion and the additional edge portion, respectively;
at least one large supporter extending vertically in the direction that the word lines are stacked and supporting the edge portion and the additional edge portion in common;
contact plugs respectively electrically connected to the word lines in the edge portion;
additional contact plugs electrically connected to the word lines respectively in the additional edge portion; and
active layers positioned between the word lines, and horizontally oriented in a direction intersecting with the word lines.