US Patent Issued to TOSOH, TOSOH SPECIALITY MATERIALS on Aug. 19 for "Method for producing chromium sintered body, method for producing sputtering target, and method for producing substrate with chromium film" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,025, issued on Aug. 19, was assigned to TOSOH Corp. (Yamaguchi, Japan) and TOSOH SPECIALITY MATERIALS Corp. (Yamagata, Japan).

"Method for producing chromium sintered body, method for producing sputtering target, and method for producing substrate with chromium film" was invented by Masami Mesuda (Ayase, Japan), Daiki Shono (Ayase, Japan), Kenichi Itoh (Yamagata, Japan) and Koichi Hanawa (Yamagata, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a chromium sintered body includes a heat treatment step of heat-treating electrolytic chromium flakes at 1,200deg C. or higher and 1,400deg C. or lower, and a firing step of, afte...