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:
Aug. 30, 2011
Filed:
May. 15, 2008
Applicants:
Markus Buehler, Weil im Schoenbuch, DE;
Juergen Koehl, Weil im Schoenbuch, DE;
Inventors:
Markus Buehler, Weil im Schoenbuch, DE;
Juergen Koehl, Weil im Schoenbuch, DE;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method and a system for placing electric circuits in integrated circuit chip design. Specifically, the invention encompasses performing a global placement step placing the cells into bins on the chip, as well as a detailed placement process which arranges the cells in the bins to obtain a legal arrangement while generating simply connected free space for routing channels.