ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,191, issued on Feb. 24, was assigned to FUJIFILM Corp. (Tokyo).
"Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus" was invented by Takuto Kurokawa (Minamiashigara, Japan), Norihito Kasada (Minamiashigara, Japan) and Yujin Shibata (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 which an absolute value triangleN of a difference between a refractive index Nxy measured in an in-plane direction of the magnetic layer and a refractive index Nz measured in a thickness direction of the magnetic layer is 0.25 o...