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. 01, 2015
Filed:
Feb. 26, 2015
Applicant:
Winbond Electronics Corp., Taichung, TW;
Inventors:
Wen-Yueh Jang, Hsinchu, TW;
Ming-Chung Chiang, Changhua County, TW;
Assignee:
Winbond Electronics Corp., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 45/00 (2006.01);
U.S. Cl.
CPC ...
H01L 45/1233 (2013.01); H01L 45/04 (2013.01); H01L 45/124 (2013.01); H01L 45/1253 (2013.01); H01L 45/1273 (2013.01); H01L 45/146 (2013.01); H01L 45/1666 (2013.01);
Abstract
Provided is a resistance memory device including a dielectric layer, a conductive layer, a bottom electrode, a top electrode and a variable resistance layer. The dielectric layer is disposed on a substrate and has a first opening constituted by a lower opening and an upper opening. The conductive layer fills up the lower opening. The bottom electrode is disposed on the bottom and on at least a portion of the sidewall of the upper opening. The top electrode is disposed in the upper opening. The variable resistance layer is disposed between the top electrode and the bottom electrode.