Patent ID: 11869555
Assignee: FUJIFILM CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 9:
10. The magnetic tape according to claim 1,
wherein the standard deviation of the AlFeSil abrasion value is 15 μm to 30 μm,
the vertical switching field distribution SFD of the magnetic tape is 0.5 to 1.5,
a standard deviation of curvature of the magnetic tape in a longitudinal direction is 5 mm/m or less,
the magnetic layer contains an alumina powder,
the magnetic tape further comprises:
a non-magnetic layer containing a non-magnetic powder between the non-magnetic support and the magnetic layer, and
a back coating layer containing a non-magnet powder on a surface side of the non-magnetic support opposite to a surface side provided with the magnetic layer, and
a tape thickness is 5.2 μm or less.