US Patent Issued to IONES, KOREA INSTITUTE OF CERAMIC ENGINEERING AND TECHNOLOGY on Sept. 29 for "Plasma-resistant glass and manufacturing method thereof" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,185, issued on Sept. 29, was assigned to IONES Co. LTD. (Gyeonggi-do, South Korea) and KOREA INSTITUTE OF CERAMIC ENGINEERING AND TECHNOLOGY (Gyeongsangnam-do, South Korea).

"Plasma-resistant glass and manufacturing method thereof" was invented by Dae Gean Kim (Gyeonggi-do, South Korea), Hye Won Seok (Seoul, South Korea), Mun Ki Lee (Gyeonggi-do, South Korea) and Hyeong Jun Kim (Chungcheongnam-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to plasma-resistant glass containing 32-52 mol % of SiO2, 5-15 mol % of Al2O3, 30-35 mol % of CaO, and 0.1-15 mol % of CaF2 as chemical components, and a manufacturin...