Semiconductor device and a data storage system including the same
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 25, 2025
Grant Date -
Aug 11, 2022
app pub date -
Oct 22, 2021
filing date -
Oct 22, 2021
priority date (Note) -
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Abstract
A semiconductor device including: a memory cell array region and a staircase region on a pattern structure; a stack structure including insulating layers and gate layers with gate pads alternately stacked in a vertical direction; a separation structure penetrating through the stack structure and contacting the pattern structure; a memory vertical structure penetrating through the stack structure and contacting the pattern structure; a support vertical structure penetrating through the stack structure and contacting the pattern structure; gate contact plugs disposed on the gate pads; and a peripheral contact plug spaced apart from the gate layers, wherein an upper surface of the memory vertical structure is at a first level, an upper surface of the peripheral contact plug is at a second level, an upper surface of the separation structure is at a third level, and upper surfaces of the gate contact plugs are at a fourth level.
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