ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,423,502, issued on Sept. 23, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Rule check heatmap prediction" was invented by Rongjian Liang (College Station, Texas), Hua Xiang (Ossining, N.Y.), Jinwook Jung (Somers, N.Y.), Gi-Joon Nam (Chappaqua, N.Y.), Lakshmi N. Reddy (Mount Kisco, N.Y.), Shyam Ramji (LaGrange, N.Y.), Diwesh Pandey (Jeevan Bhima Nagar, India) and Gustavo Enrique Tellez (Hyde Park, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Design rule violations ("DRVs") may be predicted using a design rule check ("DRC") density map during a physical synthesis operation prior to executing a routing operation."

The pate...