US Patent Issued to Sumitomo Osaka Cement on Sept. 23 for "Ceramic joined body, electrostatic chuck device, and method for producing ceramic joined body" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,475, issued on Sept. 23, was assigned to Sumitomo Osaka Cement Co. Ltd. (Tokyo).

"Ceramic joined body, electrostatic chuck device, and method for producing ceramic joined body" was invented by Nobuhiro Hidaka (Tokyo), Yukio Miura (Tokyo), Jun Arikawa (Tokyo) and Hironori Kugimoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ceramic joined body (1) includes: a pair of ceramic plates (2,3) that include a conductive material; a conductive layer (4) and an insulating layer (5) that are interposed between the pair of ceramic plates (2, 3); and a pair of intermediate layers (6, 7) that are interposed between the pair of ceramic plates (2, 3) a...