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:
Dec. 06, 2016
Filed:
Dec. 30, 2014
Applicant:
SK Hynix Inc., Icheon-Si, KR;
Inventor:
Ga-Young Ha, Icheon-Si, KR;
Assignee:
SK hynix Inc., Icheon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/52 (2006.01); H01L 43/02 (2006.01); H01L 43/08 (2006.01); H01L 27/22 (2006.01);
U.S. Cl.
CPC ...
H01L 43/02 (2013.01); H01L 27/228 (2013.01); H01L 43/08 (2013.01);
Abstract
An electronic device comprising a semiconductor memory unit includes: variable resistance patterns formed over a substrate; a protective layer formed over the substrate including the variable resistance patterns and including a leakage current blocking layer that is spaced apart from the variable resistance patterns; and contact plugs formed adjacent to the variable resistance patterns over the substrate and penetrating through the protective layer to be coupled with the substrate.