ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,415, issued on Feb. 3, was assigned to HANWHA SOLUTIONS Corp. (Seoul, South Korea) and HANWHA Corp. (Seoul, South Korea).

"Energy-saving ingot growing device" was invented by Young Jun Lee (Seoul, South Korea), Jin Sung Park (Seoul, South Korea) and Han Woong Jeon (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An energy-saving ingot growing device is disclosed. The ingot growing device according to the present invention comprises: a chamber having provided therein a crucible heated by a heat source in order to melt silicon; a side surface insulating material provided inside the chamber so as to insulate the side surface of the cru...