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.

Date of Patent:
Jan. 20, 2026

Filed:

Sep. 30, 2022
Applicant:

SK Hynix Inc., Gyeonggi-do, KR;

Inventors:

Myoung Jin Kang, Gyeonggi-do, KR;

Seung Hwan Kim, Gyeonggi-do, KR;

Assignee:

SK hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10B 12/00 (2023.01); H10B 51/20 (2023.01); H10B 51/30 (2023.01); H10B 53/20 (2023.01); H10B 53/30 (2023.01); H10D 30/67 (2025.01);
U.S. Cl.
CPC ...
H10B 12/30 (2023.02); H10B 12/50 (2023.02); H10B 51/20 (2023.02); H10B 51/30 (2023.02); H10B 53/20 (2023.02); H10B 53/30 (2023.02); H10D 30/6735 (2025.01); H10D 30/6736 (2025.01);
Abstract

A semiconductor device includes: a word line stack disposed over a lower structure and including a plurality of word lines stacked in a direction vertical to a surface of the lower structure; and pillar-shaped slits penetrating edge parts of the word lines and including an etch stopper.


Find Patent Forward Citations

Quick Actions:

Kang, Myoung. (2026). Semiconductor device including a three-dimensional memory cell and method for fabricating the same (U.S. Patent No. 12532453). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12532453

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