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:
Mar. 22, 2016
Filed:
Apr. 22, 2014
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Inventors:
Sangryol Yang, Suwon-si, KR;
Soonwook Jung, Hwaseong-si, KR;
Kyoungseob Kim, Suwon-si, KR;
Youngsub You, Osan-si, KR;
Byunghong Chung, Seoul, KR;
Hanmei Choi, Seoul, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/40 (2006.01); H01L 21/283 (2006.01); H01L 21/768 (2006.01);
U.S. Cl.
CPC ...
H01L 21/283 (2013.01); H01L 29/401 (2013.01); H01L 21/76805 (2013.01);
Abstract
A semiconductor device includes a storage node contact on a substrate, and a lower electrode on the storage node contact, a lower sidewall of the lower electrode being covered by a contact residue of a same material as the storage node contact.