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:
Aug. 07, 2012
Filed:
Apr. 14, 2011
Applicants:
Gyu-hwan OH, Hwasung, KR;
Sug-woo Jung, Hwasung, KR;
Dong-hyun Im, Hwasung, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 47/00 (2006.01); H01L 27/108 (2006.01); H01L 29/94 (2006.01); H01L 31/032 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a non-volatile memory device including a bottom electrode disposed on a substrate and having a lower part and an upper part. A conductive spacer is disposed on a sidewall of the lower part of the bottom electrode. A nitride spacer is disposed on a top surface of the conductive spacer and a sidewall of the upper part of the bottom electrode. A resistance changeable element is disposed on the upper part of the bottom electrode and the nitride spacer. The upper part of the bottom electrode contains nitrogen (N).