ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,744, issued on Sept. 16, was assigned to NIPPON ELECTRIC GLASS Co. LTD. (Shiga, Japan).
"Method for producing glass substrate" was invented by Masahiro Hayashi (Otsu, Japan) and Mayu Fujii (Otsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for producing a glass substrate that can reduce the dimensional change during heat treatment while avoiding shortening of facilities' service lives. A method for producing a glass substrate includes melting and forming a glass raw material to produce a glass substrate having a strain point of 690 to 750deg C., wherein an average cooling rate in a temperature range from (an annealing ...