ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,872, issued on June 30, was assigned to Great Lakes Crystal Technologies Inc. (East Lansing, Mich.).
"Variable-temperature vapor deposition process" was invented by Paul Connolly Quayle (East Lansing, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of growing a single crystal diamond material synthesized using a homoepitaxial chemical vapor deposition process. The method includes the steps of placing a free-standing diamond starting seed substrate on a substrate holder within a reaction chamber for chemical vapor deposition; feeding a process gas into the reaction chamber, the process gas including hydrogen gas; igniting a plasma withi...