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:
Jun. 23, 2026

Filed:

Dec. 06, 2022
Applicant:

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

Inventors:

Beom Seo Kim, Suwon-si, KR;

Sung Gil Kim, Suwon-si, KR;

Ji Hun Noh, Suwon-si, KR;

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

A semiconductor memory device including a substrate including an active area defined by an element isolation layer, a bit line extending in a first direction on the substrate, a storage contact on each of both sides of the bit line and connected to the active area, a storage pad on the storage contact and connected to the storage contact and an information storage portion on the storage pad and connected to the storage pad, wherein the storage contact includes a lower storage contact and an upper storage contact on the lower storage contact, at least a portion of the lower storage contact is in the substrate, an entire upper surface of the lower storage contact is in contact with an entire lower surface of the upper storage contact, and each of the lower storage contact and the upper storage contact includes a semiconductor material may be provided.


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