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:
May. 07, 2024
Filed:
May. 14, 2021
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventors:
Dong Hun Lee, Icheon-si, KR;
Jung Shik Jang, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10B 43/27 (2023.01); H10B 41/10 (2023.01); H10B 41/27 (2023.01); H10B 41/40 (2023.01); H10B 43/10 (2023.01); H10B 43/40 (2023.01);
U.S. Cl.
CPC ...
H10B 43/40 (2023.02); H10B 41/10 (2023.02); H10B 41/27 (2023.02); H10B 41/40 (2023.02); H10B 43/10 (2023.02); H10B 43/27 (2023.02);
Abstract
There are provided a memory device and a manufacturing method of the memory device. The memory device includes: a peripheral circuit disposed on a substrate; and a gate stack structure overlapping with the peripheral circuit. The gate stack structure includes a plurality of first cell plugs having substantially a cylindrical structure and a plurality of second cell plugs having substantially a hexagonal prism structure.