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. 19, 2026
Filed:
Jun. 19, 2023
SK Hynix Inc., Icheon-si, KR;
Mi Seong Park, Icheon-si, KR;
In Su Park, Icheon-si, KR;
Jung Shik Jang, Icheon-si, KR;
Seok Min Jeon, Icheon-si, KR;
Won Geun Choi, Icheon-si, KR;
Jung Dal Choi, Icheon-si, KR;
SK hynix Inc., Icheon-si, KR;
Abstract
The present disclosure includes a semiconductor memory device and a method of manufacturing the semiconductor memory device. The semiconductor memory device includes a stack including a plurality of conductive layers stacked to be spaced apart in a first direction, an opening in the stack extending in the first direction and having an elliptical shape in a plan view, and a first channel pattern and a second channel pattern spaced apart from each other in a second direction toward which a major axis of the elliptical shape faces in the opening, the first channel pattern and the second channel pattern extending in the first direction. Each of the first channel pattern and the second channel pattern includes a central portion overlapping with the major axis of the elliptical shape and bent portions extending away from the central portion.