US Patent Issued to FUJIFILM on May 20 for "Magnetic tape having characterized magnetic layer surface, magnetic tape cartridge, and magnetic tape device" (Japanese Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,060, issued on May 20, was assigned to FUJIFILM Corp. (Tokyo).

"Magnetic tape having characterized magnetic layer surface, 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: "A magnetic tape in which an edge weave amount of a tape edge on at least one side of the magnetic tape is 1.5 micro metre or less, and in an environment with a temperature of 32deg C. and a relative humidity of 80%, a frictional force F45deg on the surface of the magnetic layer with respect to an LTO8 head measured at a head tilt angle of 45deg is 4 gf to 15 gf, and a standard d...