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:
May. 31, 2016
Filed:
Sep. 02, 2014
Applicant:
Winbond Electronics Corp., Taichung, TW;
Inventors:
Po-Yen Hsu, New Taipei, TW;
Hsiu-Han Liao, Hsinchu, TW;
Shuo-Che Chang, Taichung, TW;
Chia Hua Ho, Hsinchu, TW;
Assignee:
Winbond Electronics Corp., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 45/00 (2006.01);
U.S. Cl.
CPC ...
H01L 45/146 (2013.01); H01L 45/06 (2013.01); H01L 45/08 (2013.01); H01L 45/1233 (2013.01); H01L 45/1616 (2013.01); H01L 45/1641 (2013.01);
Abstract
Structures and formation methods of memory devices are provided. The memory device includes a first electrode, a second electrode, and a resistive layer positioned between the first electrode and the second electrode. The resistive layer has a crystalline portion. A volume ratio of the crystalline portion to the resistive layer is in a range from about 0.2 to about 1.