ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,554, issued on July 1, was assigned to AGC Inc. (Tokyo).

"Glass substrate for high frequency device, liquid crystal antenna and high frequency device" was invented by Kazutaka Ono (Tokyo), Yusaku Matsuo (Tokyo) and Shuhei Nomura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A glass substrate for high-frequency devices includes, in terms of molar percentage based on oxides: one or more alkaline-earth metal oxides in a total amount of 0.1 to 13%; Al2O3 and B2O3 in a total amount of 1 to 40%, in which a molar ratio of the contents represented by Al2O3/(Al2O3+B2O3) is 0 to 0.45; at least one oxide selected from the group consisting of Sc2O3, TiO2...