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. 15, 2011
Filed:
Aug. 07, 2009
Gil-sub Kim, Suwon-si, KR;
Won-mo Park, Seongnam-si, KR;
Seong-ho Kim, Seoul, KR;
Dong-kwan Yang, Yongin-si, KR;
Gil-Sub Kim, Suwon-si, KR;
Won-Mo Park, Seongnam-si, KR;
Seong-Ho Kim, Seoul, KR;
Dong-Kwan Yang, Yongin-si, KR;
Samsunge Electronics Co., Ltd., Suwon-Si, KR;
Abstract
Provided is a semiconductor memory device including cylinder type storage nodes and a method of fabricating the semiconductor memory device. The semiconductor memory device includes: a semiconductor substrate including switching devices; a recessed insulating layer including storage contact plugs therein, wherein the storage contact plugs are electrically connected to the switching devices and the recessed insulating layer exposes at least some portions of upper surfaces and side surfaces of the storage contact plugs. The semiconductor device further includes cylinder type storage nodes each having a lower electrode. The lower electrode contacting the at least some portions of the exposed upper surfaces and side surfaces of the storage node contact plugs.