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.:

US 9158879 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 13, 2015

Filed:

Sep. 04, 2013
Applicant:

Globalfoundries Inc., Grand Cayman, KY;

Inventors:

Lei Yuan, Cupertino, CA (US);

Soo Han Choi, Pleasanton, CA (US);

Li Yang, San Jose, CA (US);

Jongwook Kye, Pleasanton, CA (US);

Assignee:

GLOBALFOUNDRIES INC., Grand Cayman, KY;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01); G06F 17/50 (2006.01);
U.S. Cl.
CPC ...
G06F 17/5077 (2013.01);
Abstract

Methodologies and an apparatus enabling a generation of color undeterminable polygons in IC designs are disclosed. Embodiments include: determining a plurality of first routes extending horizontally in an IC design, each of the plurality of first routes being placed on one of a plurality of equally spaced vertical positions of the IC design; determining whether a second route overlaps one of the vertical positions of the plurality of equally spaced vertical positions; and selecting a design rule for the second route based on the determination of whether the second route overlaps.


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