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:
Oct. 15, 2019
Filed:
Jun. 21, 2018
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Chan-Ho Kim, Seoul, KR;
Bong-Soon Lim, Seoul, KR;
Pan-Suk Kwak, Seoul, KR;
Hong-Soo Jeon, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD, Suwon-si, Gyeonggi-Do, KR;
Abstract
A three-dimensional (3D) nonvolatile memory includes a stacked structure that includes a plurality of conductive layers that alternate with and are spaced apart from each other by a plurality of interlayer insulating layers. The stacked structure includes a first cell region, a second cell region spaced apart from the first cell region, and a connection region between the first cell region and the second cell region. The connection region includes a first step portion that contacts the first cell region and has a stepped shape that descends in a direction approaching the second cell region, a second step portion that contacts the second cell region and has a stepped shape that descends in a direction approaching the first cell region, and a connection portion that connects the first cell region and the second cell region.