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:
Jun. 27, 2017
Filed:
Jul. 28, 2015
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Yongjun Kim, Suwon-si, KR;
Keeshik Park, Hwaseong-si, KR;
Jungwoo Song, Hwaseong-si, KR;
Sang-Jun Lee, Incheon, KR;
Donggyun Han, Yongin-si, KR;
Jaerok Kahng, Seoul, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, Gyeonggi-do, KR;
Abstract
A memory device includes a substrate including active areas and isolation areas, trenches in the isolation areas, active patterns in the active areas, the active patterns protruding from the substrate, isolation layers filling the trenches, gate trenches crossing the active patterns and the isolation layers, and gate line stacks filling the gate trenches, a first width of the gate trench in the isolation layer being greater than a second width of the gate trench in the active pattern.