ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,029, issued on Feb. 10, was assigned to SUMCO Corp. (Tokyo).
"System and method for producing single crystal" was invented by Kenichi Nishioka (Tokyo) and Keiichi Takanashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for producing a single crystal can prevent calculation and setting mistakes and provide an adequate correction amount in the next batch. A single crystal manufacturing system includes a pulling-up apparatus that calculates a diameter measurement value of a single crystal during a pulling-up process, calculates a first diameter of the single crystal by correcting the diameter measurement value using a diamet...