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:
Jan. 14, 2025
Filed:
Mar. 03, 2023
Samsung Electronics Co., Ltd., Suwon-si, KR;
Daeyoung Moon, Seoul, KR;
Jamin Koo, Hwaseong-si, KR;
Kyuwan Kim, Suwon-si, KR;
Kisoo Park, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A semiconductor memory device includes a device isolation pattern on a substrate to define an active region, a word line in the substrate, to intersect the active region, a first dopant region in the active region as at a first side of the word line, a second dopant region in the active region at a second side of the word line, a bit line connected to the first dopant region and intersecting the word line, a bit line contact connecting the bit line to the first dopant region, a landing pad on the second dopant region, and a storage node contact connecting the landing pad to the second dopant region, the storage node contact including a first portion in contact with the second dopant region, the first portion including a single-crystal silicon, and a second portion on the first portion and including a poly-silicon.