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:
Feb. 24, 2026
Filed:
Mar. 08, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Junsuk Kim, Suwon-si, KR;
Donghoon Kwon, Hwaseong-si, KR;
Kiwoong Kim, Seoul, KR;
Chungki Min, Hwaseong-si, KR;
Youngbeom Pyon, Suwon-si, KR;
Changsun Hwang, Hwaseong-si, KR;
Samsung Electronics Co., Ltd., Gyeonggi-Do, KR;
Abstract
A semiconductor device includes a substrate; a first stack structure including first gate electrodes on the substrate; and a second stack structure on the first stack structure; wherein the first stack structure includes a first lower staircase region, a second lower staircase region, and a third lower staircase region, wherein the second stack structure includes a first upper staircase region, a second upper staircase region, a third upper staircase region, and at least one through portion penetrating the second stack structure and on the first to third lower staircase regions, wherein the first lower staircase region has a same shape as a shape of the first upper staircase region, the second lower staircase region has a same shape as a shape of the second upper staircase region, and the third lower staircase region has a same shape as a shape of the third upper staircase region.