US Patent Issued to FUJIFILM on Sept. 23 for "Magnetic tape having characterized bright regions on magnetic layer, magnetic tape cartridge, and magnetic tape apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,245, issued on Sept. 23, was assigned to FUJIFILM Corp. (Tokyo).

"Magnetic tape having characterized bright regions on magnetic layer, magnetic tape cartridge, and magnetic tape apparatus" was invented by So Matsuyama (Minamiashigara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The magnetic tape includes a non-magnetic support, and a magnetic layer containing a ferromagnetic powder. In a binarized image of a secondary electron image obtained by imaging a surface of the magnetic layer with a scanning electron microscope at an acceleration voltage of 5 kV, the number of bright regions having an equivalent circle diameter of 75 nm or more and...