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. 29, 2025
Filed:
Jan. 22, 2023
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventors:
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10B 43/27 (2023.01); H10B 43/10 (2023.01); H10B 43/50 (2023.01);
U.S. Cl.
CPC ...
H10B 43/27 (2023.02); H10B 43/10 (2023.02); H10B 43/50 (2023.02);
Abstract
A memory device may include an electrode structure including a plurality of electrode layers and a plurality of interlayer dielectric layers that are alternately stacked on a substrate; a trench in the electrode structure, and having an upper sidewall, a lower sidewall and a horizontal portion that couples the upper sidewall to the lower sidewall and that is parallel to a top surface of the substrate; a dielectric layer in the trench; and a slimming hole in the electrode structure having a sidewall of the trench and a region of the dielectric layer, and having a bottom surface disposed on an electrode layer on which the horizontal portion of the trench is positioned.