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:
Oct. 13, 2015
Filed:
May. 15, 2014
International Business Machines Corporation, Armonk, NY (US);
Michael S. Gray, Fairfax, VT (US);
Matthew T. Guzowski, Essex Junction, VT (US);
Alexander Ivrii, Haifa, IL;
Lars W. Liebmann, Poughquag, NY (US);
Kevin W. McCullen, Essex Junction, VT (US);
Gustavo E. Tellez, Essex Junction, VT (US);
Michael Gester, Bonn, DE;
GLOBALFOUNDRIES, Inc., Grand Cayman, KY;
Abstract
Methods of the present disclosure can include: using a computing device to perform actions including: applying a design rule check (DRC) on a proposed integrated circuit (IC) layout, wherein the DRC applies a set of restrictive design rules (RDRs) in response to the proposed IC layout being a contact area (CA) layout; computing a conflict graph for the proposed IC layout in response to one of the IC layout being a metal layer layout and the set of RDRs being satisfied; determining whether the IC layout is one of non-colorable, indeterminate, partially colorable, and fully colorable; and partially coloring the IC layout and identifying non-colorable nodes in response to the IC layout being indeterminate or partially colorable.