ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,400,778, issued on Aug. 26, was assigned to SEIKO EPSON Corp. (Tokyo).
"Amorphous metal ribbon, method for manufacturing amorphous metal ribbon, and magnetic core" was invented by Atsushi Nakamura (Hachinohe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An amorphous metal ribbon includes a plurality of laser irradiation mark rows each including a plurality of laser irradiation marks arranged in a row, in which when a distance between the laser irradiation mark rows that are adjacent to each other is set as d1, a distance between the laser irradiation marks in the laser irradiation mark row is set as d2, a diameter of the laser irradiation mark i...