ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,229,933, issued on Feb. 18, was assigned to SEAGATE TECHNOLOGY LLC (Fremont, Calif.).
"Method for grain size analysis" was invented by Sha Zhu (Fremont, Calif.), Maissarath Nassirou (Fremont, Calif.), Cindy Ng (Fremont, Calif.) and Caiyan Lu (Campbell, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for analysis of the magnetic grain using a software program effectively and accurately by improving the magnetic grain boundary contrast from an image prior to analyzing the grain size with an imaging analysis program. A method for automated grain size analysis includes obtaining a SEM electronic image of a magnetic material composed of a plura...