The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 08, 2025
Filed:
May. 26, 2022
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventors:
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10B 12/00 (2023.01);
U.S. Cl.
CPC ...
H10B 12/31 (2023.02); H10B 12/0335 (2023.02); H10B 12/34 (2023.02);
Abstract
The present technology includes a semiconductor memory device and a method of manufacturing the semiconductor memory device. The semiconductor memory device includes a first stack structure over a lower structure in which a cell region and a slimming region are defined, including a plurality of first gate lines, a first interlayer insulating structure over the first stack structure, a second stack structure over the first interlayer insulating structure, and a plurality of vertical plugs passing through the first stack structure, the first interlayer insulating structure and the second stack structure in the cell region.