US Patent Issued to Sumitomo Osaka Cement on Jan. 27 for "Ceramic joined body, electrostatic chucking device, and method for producing ceramic joined body" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,748, issued on Jan. 27, was assigned to Sumitomo Osaka Cement Co. Ltd. (Tokyo).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "A ceramic joined body includes: a pair of ceramic plates; and an electrode layer that is interposed between the pair of ceramic plates, in which the electrode layer is embedded in at least one of the pair of ceramic plates, and in an outer edge of the electrode layer, a joint surface between the at least one of the pair of ceramic plates and the...