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:
Aug. 06, 2024

Filed:

Feb. 09, 2022
Applicant:

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

Inventors:

Taejin Park, Yongin-si, KR;

Hui-Jung Kim, Seongnam-si, KR;

Sangho Lee, Hwaseong-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10B 12/00 (2023.01);
U.S. Cl.
CPC ...
H10B 12/315 (2023.02); H10B 12/0335 (2023.02); H10B 12/053 (2023.02); H10B 12/34 (2023.02); H10B 12/482 (2023.02);
Abstract

A semiconductor memory device includes active regions including first impurity regions and second impurity regions, word lines on the active regions and extended in a first direction, bit lines on the word lines and extended in a second direction crossing the first direction, the bit lines being connected to the first impurity regions, first contact plugs between the bit lines, the first contact plugs being connected to the second impurity regions, landing pads on the first contact plugs, respectively, and gap-fill structures filling spaces between the landing pads, top surfaces of the gap-fill structures being higher than top surfaces of the landing pads.


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