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. 20, 2026
Filed:
Oct. 04, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Jaewon Na, Suwon-si, KR;
Sungsam Lee, Yongin-si, KR;
Taiuk Rim, Suwon-si, KR;
Byungha Kang, Seoul, KR;
Kanghyun Kim, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A semiconductor device includes a substrate including first and second active regions; a bitline structure extending in one direction on the substrate, the bitline structure being electrically connected to the first active region; a storage node contact on a sidewall of the bitline structure, the storage node contact being electrically connected to the second active region; a spacer structure between the bitline structure and the storage node contact; a landing pad on the storage node contact, the landing pad being in contact with a sidewall of the spacer structure; and a capacitor structure electrically connected to the landing pad, wherein the spacer structure includes a first spacer, a second spacer, a third spacer, and a fourth spacer, sequentially stacked on the sidewall of the bitline structure, the second spacer is an air spacer, and the third spacer has a thickness that is less than a thickness of the first spacer.