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:
Apr. 05, 2016

Filed:

Sep. 12, 2013
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Ronald G. Filippi, Wappingers Falls, NY (US);

Erdem Kaltalioglu, Newburgh, NY (US);

Andrew T. Kim, Poughkeepsie, NY (US);

Ping-Chuan Wang, Hopewell Junction, NY (US);

Lijuan Zhang, Beacon, NY (US);

Assignee:

GLOBALFOUNDRIES INC., Grand Cayman, KY;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/525 (2006.01); H01L 21/768 (2006.01); H01L 23/532 (2006.01);
U.S. Cl.
CPC ...
H01L 23/5256 (2013.01); H01L 21/76886 (2013.01); H01L 23/5329 (2013.01); H01L 23/53295 (2013.01); H01L 23/53266 (2013.01); H01L 2924/0002 (2013.01);
Abstract

An e-fuse structure including a fuse link having a first region made of a first conductor and a second region made of a second conductor. The first conductor and the second conductor are in the same wiring level. The first conductor has a higher electrical resistance than the second conductor. The first conductor has a higher resistance to electromigration than the second conductor. The first region and the second region have a common width. The length of the first region is longer than the length of the second region.


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