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. 10, 2015
Filed:
Oct. 03, 2014
Samsung Electronics Co., Ltd., Suwon-Si, Gyeonggi, KR;
Lijie Zhang, Suwon-Si, KR;
Young-Bae Kim, Seoul, KR;
Youn-Seon Kang, Yongin-Si, KR;
In-Gyu Baek, Seoul, KR;
Masayuki Terai, Suwon-Si, KR;
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
A semiconductor memory device includes pillars extending upright on a substrate in a direction perpendicular to the substrate, a stack disposed on the substrate and constituted by a first interlayer insulating layer, a first conductive layer, a second interlayer insulating layer, and a second conductive layer, a variable resistance layer interposed between the pillars and the first conductive layer, and an insulating layer interposed between the first pillars and the second conductive layer.