US Patent Issued to Blue Origin Manufacturing on Nov. 4 for "Active edge control of a crystalline sheet formed on the surface of a melt" (Massachusetts Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,313, issued on Nov. 4, was assigned to Blue Origin Manufacturing LLC (Huntsville, Ala.).

"Active edge control of a crystalline sheet formed on the surface of a melt" was invented by Peter Kellerman (Essex, Mass.), Alison Greenlee (Somerville, Mass.), Parthiv Daggolu (Danvers, Mass.) and Alexander Martinez (Woburn, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical sensor is configured to detect a difference in emissivity between the melt and a solid ribbon on the melt, which may be silicon. The optical sensor is positioned on a same side of a crucible as a cold initializer. A difference in emissivity between the melt and the ribbon on th...