US Patent Issued to SUMCO on July 21 for "Manufacturing method of single crystals" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,942, issued on July 21, was assigned to SUMCO Corp. (Tokyo).

"Manufacturing method of single crystals" was invented by Yasunobu Shimizu (Tokyo), Susumu Tamaoki (Tokyo), Ippei Shimozaki (Tokyo), Keiichi Takanashi (Tokyo) and Ken Hamada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a process of measuring a space between a melt surface and a seed crystal provided above a melt, a process of lowering the seed crystal based on the space and bringing the seed crystal into contact with the melt, and a process of growing a single crystal by pulling the seed crystal while maintaining contact with the melt. Images of the seed crystal and th...