ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,161, issued on Sept. 23, was assigned to NIPPON ELECTRIC GLASS Co. LTD. (Shiga, Japan).
"Infrared-transmitting glass" was invented by Yoshimasa Matsushita (Otsu, Japan) and Fumio Sato (Otsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a thermally stable and inexpensive infrared-transmitting glass. An infrared-transmitting glass contains, in terms of % by mole, over 0 to 9% Ge, over 0 to 50% Ga, 50 to 90% Te, 0 to 40% Si+Al+Ti+Cu+In+Sn+Bi+Cr+Sb+Zn+Mn+Cs+Ag+As+Pb, and 0 to 40% F+Cl+Br+I."
The patent was filed on Feb. 21, 2020, under Application No. 17/430,420.
*For further information, including images, charts and tables, pleas...