ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,682, issued on Aug. 4, was assigned to II-VI Delaware Inc. (Wilmington, Del.).
"Polycrystalline diamond (PCD) laser lapping machine" was invented by Xiquan Wu (Suzhou City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A laser lapping machine has a platform for supporting and rotating a product, and a laser device for transmitting a laser beam onto the surface of the product. The product may contain polycrystalline diamond, and the platform and the laser device may be configured to move a cutting point along a spiral path across the product surface. A process for removing material, such as polycrystalline diamond material, from a surface of a ...