US Patent Issued to CDGM GLASS on May 12 for "Glass-ceramic and substrate thereof" (Chinese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,956, issued on May 12, was assigned to CDGM GLASS Co. LTD (Chengdu, China).

"Glass-ceramic and substrate thereof" was invented by Tianlai Yu (Chengdu, China), Baoping Yuan (Chengdu, China) and Xiaobing Nie (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A glass ceramic substrate contains a glass ceramic having a compressive stress layer on a surface thereof and a crystalline phase containing LiAlSi4O10, quartz, and quartz solid solution. The glass ceramic has 60 to 80% of SiO2, 4 to 20% of Al2O3, more than 0 but less than or equal to 15% of Li2O, more than 0 but less than or equal to 12% of Na2O, 0 to 5% of K2O; more than 0 but less th...