ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,149, issued on Feb. 17, was assigned to AdamanT Quanta AB (Malmo, Sweden).
"Method and system for processing a diamond" was invented by Haitham El-Ella (Malmo, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of processing a diamond to obtain vacancy-based defects and vacancy-based clusters includes the steps of: providing an artificial single-crystal diamond with {001} faces, the artificial single-crystal diamond having a substitutional nitrogen concentration above or equal to 100 parts per million; conditioning surfaces of the diamond by boiling under reflux of a solution comprising nitric, sulphuric, and an oxidizing acid, such as p...