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:
Nov. 19, 2019
Filed:
Aug. 14, 2017
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Changhyun Lee, Suwon-si, KR;
Byoungkeun Son, Suwon-si, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Samsung-ro, Yeontong-gu, Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/11582 (2017.01); G11C 16/04 (2006.01); H01L 27/11556 (2017.01); H01L 21/28 (2006.01); H01L 23/50 (2006.01); H01L 27/11524 (2017.01); H01L 27/1157 (2017.01);
U.S. Cl.
CPC ...
H01L 27/11582 (2013.01); G11C 16/0408 (2013.01); G11C 16/0483 (2013.01); H01L 21/28008 (2013.01); H01L 23/50 (2013.01); H01L 27/11556 (2013.01); H01L 27/1157 (2013.01); H01L 27/11524 (2013.01); H01L 2924/00 (2013.01); H01L 2924/0002 (2013.01);
Abstract
Provided are nonvolatile memory devices and methods of forming the same. The nonvolatile memory device includes a plurality of word lines, a ground select line, string select line, and a dummy word line. Each of distances between the dummy word line and the ground select line and between the dummy word line and the word line is greater than a distance between a pair of the word lines adjacent to each other.