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.

Date of Patent:
Nov. 07, 2017

Filed:

Sep. 28, 2015
Applicant:

Globalfoundries Inc., Grand Cayman, KY;

Inventors:

Ajey P. Jacob, Watervliet, NY (US);

Suraj K. Patil, Ballston Lake, NY (US);

Min-hwa Chi, Malta, NY (US);

Assignee:

GLOBALFOUNDRIES Inc., Grand Cayman, KY;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/52 (2006.01); H01L 23/525 (2006.01); H01L 23/522 (2006.01);
U.S. Cl.
CPC ...
H01L 23/5256 (2013.01); H01L 23/5226 (2013.01);
Abstract

Programmable via devices and fabrication methods thereof are presented. The programmable via devices include, for instance, a first metal layer and a second metal layer electrically connected by a via link. The via link includes a semiconductor portion and a metal portion, where the via link facilitates programming of the programmable via device by applying a programming current through the via link to migrate materials between the semiconductor portion and the metal portion to facilitate a change of an electrical resistance of the via link. In one embodiment, the programming current facilitates formation of at least one gap region within the via link, the at least one gap region facilitating the change of the electrical resistance of the via link.


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