US Patent Issued to International Business Machines on June 24 for "Multi-layer integrated circuit routing tool" (German Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,340,161, issued on June 24, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Multi-layer integrated circuit routing tool" was invented by Ralf Richter (Unterhausen, Germany) and Lukas Daellenbach (Altdorf, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 contai...