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:
Jun. 24, 2025
Filed:
Jul. 26, 2022
International Business Machines Corporation, Armonk, NY (US);
Ralf Richter, Unterhausen, DE;
Lukas Daellenbach, Altdorf, DE;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A computer implemented method for a multi-layer integrated circuit routing tool connecting sources with nets to sinks in a hierarchical multi-layer integrated circuit design environment, the method including creating a cycle reach table containing a first set of information parameters for two dimensional nets per metal layer combination, creating a repeater reach table containing a second set of information parameters per constraint class, preparing a working list of nets, preparing a list of blocks larger than repeater reach dimensions, connecting a source pin to a sink pin on preassigned metal layers, by routing the net based on the given constraint class.