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:
Dec. 30, 2014

Filed:

Feb. 13, 2013
Applicant:

Globalfoundries Inc., Grand Cayman, KY;

Inventors:

Lei Yuan, Cupertino, CA (US);

Jongwook Kye, Pleasanton, CA (US);

Harry Levinson, Saratoga, CA (US);

Assignee:

GLOBALFOUNDRIES Inc., Grand Cayman, KY;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/308 (2006.01); H01L 21/28 (2006.01); H01L 23/50 (2006.01);
U.S. Cl.
CPC ...
H01L 21/308 (2013.01); H01L 23/50 (2013.01);
Abstract

A method for efficient off-track routing and the resulting device are disclosed. Embodiments include: providing a hardmask on a substrate; providing a plurality of first mandrels on the hardmask; providing a first spacer on each side of each of the first mandrels; providing a plurality of first non-mandrel regions of the substrate being separated from the first mandrels and between two of the first spacers, each of the first mandrels, first non-mandrel regions, and first spacers having a width equal to a distance; and providing a second mandrel having a width of at least twice the distance and being separated from one of the first non-mandrel regions by a second spacer.


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