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:
Jul. 07, 2015
Filed:
Aug. 23, 2013
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Dongchul Yoo, Seongnam-si, KR;
Phil Ouk Nam, Seongnam-si, KR;
Junkyu Yang, Seoul, KR;
Woong Lee, Seoul, KR;
Woosung Lee, Yongin-si, KR;
JinGyun Kim, Suwon-si, KR;
Daehong Eom, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, Gyeonggi-do, KR;
Abstract
A three-dimensional (3D) semiconductor memory device and a method for fabricating the same, the device including insulating layers stacked on a substrate; horizontal structures between the insulating layers, the horizontal structures including gate electrodes, respectively; vertical structures penetrating the insulating layers and the horizontal structures, the vertical structures including semiconductor pillars, respectively; and epitaxial patterns, each of the epitaxial patterns being between the substrate and each of the vertical structures, wherein a minimum width of the epitaxial pattern is less than a width of a corresponding one of the vertical structures.