US Patent Issued to Siemens Medical Solutions USA on July 21 for "Asymmetric thermal fields for excluding impurities in single crystal manufacturing device" (Tennessee Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,941, issued on July 21, was assigned to Siemens Medical Solutions USA Inc. (Malvern, Pa.).

"Asymmetric thermal fields for excluding impurities in single crystal manufacturing device" was invented by Mark Andreaco (Knoxville, Tenn.) and Peter Cohen (Knoxville, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a furnace and a method of growing a high temperature oxide crystal. The furnace includes a cylindrical furnace wall, an induction coil disposed within the cylindrical furnace wall, a quartz tube disposed within the induction coil, a refractory lining disposed within the quartz tube, and a crucible disposed within the refra...