ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,478, issued on July 29, was assigned to TDK Corp. (Tokyo).
"Soft magnetic alloy ribbon and magnetic component" was invented by Takuya Tsukahara (Tokyo), Isao Nakahata (Tokyo), Kazuhiro Yoshidome (Tokyo) and Hiroyuki Matsumoto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A soft magnetic alloy ribbon having high corrosion resistance is obtained. The soft magnetic alloy ribbon contains Fe, P, and Si. A maximum point of a concentration of P and a maximum point of a concentration of Si including in oxides is present in a region within 20 nm from the surface, when a concentration distribution of an element contained in the soft magnetic alloy rib...