Patent ID: 11894032
Assignee: FUJIFILM CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A magnetic recording medium comprising:
a non-magnetic support; and
a magnetic layer containing a ferromagnetic powder,
wherein the ferromagnetic powder is an ε-iron oxide powder,
a vertical switching field distribution SFD of the magnetic recording medium is 0.20 or more and 3.00 or less at a measurement temperature of 25° C., and
an inclination of SFD obtained from SFD at a measurement temperature of 10° C., SFD at a measurement temperature of 25° C., and SFD at a measurement temperature of 40° C. is 0.003° C.−1 or more and 0.080° C.−1 or less.