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:
Sep. 01, 2026

Filed:

Jun. 22, 2023
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Changsik Kim, Suwon-si, KR;

Jae Won Na, Suwon-si, KR;

Junhwa Song, Suwon-si, KR;

Dong-Sik Park, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10B 12/00 (2023.01); H10B 80/00 (2026.01); H10W 90/00 (2026.01);
U.S. Cl.
CPC ...
H10B 12/315 (2023.02); H10B 12/50 (2023.02); H10B 80/00 (2023.02); H10W 90/00 (2026.01); H10W 90/792 (2026.01);
Abstract

A semiconductor memory device may include a plurality of bit lines extending in a first direction on a substrate, a plurality of active pillars respectively on the bit lines, a word line extending in a second direction along the plurality of active pillars, a plurality of landing pads respectively on the plurality of active pillars, and a plurality of data storage patterns respectively on the plurality of landing pads. Each of the plurality of active pillars may have a length extending in a direction perpendicular to an upper surface of the substrate. The word line has a wavy shape when viewed in a plan view.


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