US Patent Issued to AGC on Oct. 27 for "Low-melting-point glass" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,242, issued on Oct. 27, was assigned to AGC Inc. (Tokyo).

"Low-melting-point glass" was invented by Naoya Wada (Tokyo), Satoru Tomeno (Tokyo) and Misa Inamoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a glass including, as represented by mol % based on elements: 8-25% of P; 8-40% of Sn; 20-80% of O; and 1-50% of F, in which the glass has a glass transition temperature Tg of 300deg C. or lower, and the glass gives an infrared absorption spectrum satisfying A3240/A3100 of 0.6-1.2, where the A3100 is an absorbance per 1-mm thickness at a wavenumber of 3,100 cm-1 and the A3240 is an absorbance per 1-mm thickness at a...