US Patent Issued to Cadence Design Systems on Feb. 17 for "Etching shape insertion based on spacing rule" (Indian Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,917, issued on Feb. 17, was assigned to Cadence Design Systems Inc. (San Jose, Calif.).

"Etching shape insertion based on spacing rule" was invented by Sachin Shrivastava (Noida, India), Deepak Karnatak (Ghaziabad, India) and Vishal Rastogi (Noida, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments provide for inserting an etching shape in a circuit design based on one or more spacing rules, which can be part of electronic design automation (EDA). Some embodiments described herein address wire-end spacing violations for abutted cell placements by enabling one or more etching shapes to be inserted during block implementations, w...