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, 2011
Filed:
Jan. 05, 2010
Applicant:
Heung Jin Joo, Suwon-si, KR;
Inventor:
Heung Jin Joo, Suwon-si, KR;
Assignee:
Samsung Electronics Co. Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 47/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are variable resistance memory devices and methods of forming the variable resistance memory devices. The methods can include forming an etch stop layer on an electrode, forming a molding layer on the etch stop layer, forming a recess region including a lower part having a first width and an upper part having a second width by recessing the etch stop layer and the molding layer, and forming a layer of variable resistance material in the recess region.