US Patent Issued to Sumitomo Electric Industries on April 21 for "Synthetic single crystal diamond and method for manufacturing same" (Japanese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,931, issued on April 21, was assigned to Sumitomo Electric Industries Ltd. (Osaka, Japan).

"Synthetic single crystal diamond and method for manufacturing same" was invented by Hitoshi Sumiya (Osaka, Japan), Jin Hwa Lee (Osaka, Japan) and Minori Teramoto (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A synthetic single crystal diamond containing 100 ppm or more and 1500 ppm or less of nitrogen atoms, in which the synthetic single crystal diamond contains aggregates each composed of one vacancy and two to four nitrogen atoms present adjacent to the vacancy, a ratio b/a of a length b of a short diagonal line to a length a of a long diago...