US Patent Issued to FUJIFILM on July 29 for "Magnetic tape with characterized surface recesses, magnetic tape cartridge, and magnetic tape apparatus" (Japanese Inventor)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,359, issued on July 29, was assigned to FUJIFILM Corp. (Tokyo).

"Magnetic tape with characterized surface recesses, magnetic tape cartridge, and magnetic tape apparatus" was invented by Norihito Kasada (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 the number of recesses existing on a surface of the magnetic layer and having an equivalent circle diameter of 0.25 micro metre or more and 0.55 micro metre or less is 10 or more and 500 or less per an area of 40 micro metrex40 micro metre, and standard deviation a of...