Patent ID: 7722969

Claim:
A magnetic tape comprising a non-magnetic support, a primer layer formed on one surface of said support and containing a non-magnetic powder and a binder, a magnetic layer formed on said primer layer and containing a magnetic powder and a binder, and a back layer formed on the other surface of said support, wherein said tape has a total thickness of 4.0 to 5.4 μm, at least one of said primer layer and said magnetic layer contains a fatty acid amide, an amount of the fatty acid amide extracted from the side of the magnetic layer with n-hexane is from 0.5 to 1.5 mg/cm 3 , said fatty acid amide has a melting point of at least 70° C., and E TD ·t 3 is at least 2.0×10 −6 N·m, and E MD /E TD is larger than 0.5 and less than 0.9, in which E MD and E TD are the Young's moduli (unit: Pa) of a magnetic tape in the machine and transverse directions of said magnetic tape, respectively and t is a thickness (unit: μm) of said magnetic tape.