US Patent Issued to SUMCO on Dec. 9 for "Single crystal manufacturing method, magnetic field generator, and single crystal manufacturing apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,489, issued on Dec. 9, was assigned to SUMCO Corp. (Tokyo).

"Single crystal manufacturing method, magnetic field generator, and single crystal manufacturing apparatus" was invented by Naoki Matsushima (Tokyo) and Ryusuke Yokoyama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided a single crystal manufacturing method, a magnetic field generator, and a single crystal manufacturing apparatus, which allow the in-plane distribution of oxygen concentration in a single crystal to be uniform. A single crystal manufacturing method includes pulling-up a single crystal while applying a lateral magnetic field to a melt in a crucible. During a crysta...