ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,125, issued on June 17, was assigned to FUJIFILM Corp. (Tokyo).
"Magnetic tape having characterized magnetic layer, magnetic tape cartridge, and magnetic tape device" was invented by Norihito Kasada (Minamiashigara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a magnetic tape, in which, in an environment with a temperature of 23deg C. and a relative humidity of 50%, an AlFeSil abrasion value45deg of a surface of the magnetic layer, which is measured at a tilt angle of 45deg of an AlFeSil square bar, is 20 micro metre or more and 50 micro metre or less, and standard deviation of AlFeSil abrasion values of the surface of the magnet...