ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,157, issued on Nov. 11, was assigned to LUXIUM SOLUTIONS LLC (Hiram, Ohio).
"Enclosed crystal growth" was invented by David J. Weeden (Concord, N.H.), Brian J. McAndrews (Brookline, N.H.), Guilford Leroy Mack III (Manchester, N.H.) and Ralph L. Maclean Jr. (Manchester, N.H.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various single crystals are disclosed including sapphire as well as methods of forming the same. A method of forming a crystalline structure is disclosed as well. The method can include providing a melt in a crucible having a die. The die can include a ventilation opening. The method can further include growing the crystalline struct...