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. 16, 2024
Filed:
May. 21, 2021
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventor:
Jae Taek Kim, 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 43/10 (2023.01);
U.S. Cl.
CPC ...
H10B 41/27 (2023.02); H10B 41/10 (2023.02); H10B 43/10 (2023.02); H10B 43/27 (2023.02);
Abstract
A semiconductor device includes: a cell stack structure including first cell stack layers and stack conductive layers, which are alternately stacked; a cell plug penetrating the cell stack structure; and a cell chip guard surrounding the cell stack structure and the cell plug. The cell chip guard includes a guard semiconductor layer and a guard insulating layer covering a sidewall of the guard semiconductor layer.