ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,970, issued on Nov. 18, was assigned to INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS (Ansan-si, South Korea).

"MOKE measurement apparatus" was invented by Bum Jin Jang (Ansan-si, South Korea) and Do Hyeok Bae (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for measuring the magneto-optical Kerr effect (MOKE) of a specimen requiring analysis of magnetic properties, such as a magnetic random access memory (MRAM) or electrical steel sheet, is disclosed. The disclosed MOKE measuring device includes a rotational chuck on which a MOKE measurement target is disposed and which rotates the MOKE me...