Magnetic recording medium having characterized magnetic layer
AssigneeFUJIFILM Corporation
InventorsEiki Ozawa, Norihito Kasada, Toshio Tada, Takuto Kurokawa
Life of this patent
Estimating the term…
Loading patent…
AssigneeFUJIFILM Corporation
InventorsEiki Ozawa, Norihito Kasada, Toshio Tada, Takuto Kurokawa
Estimating the term…
The magnetic recording medium includes a magnetic layer which contains ferromagnetic hexagonal ferrite powder and a binder, in which the magnetic layer contains an abrasive and a fatty acid ester, Int (110)/Int (114) of a crystal structure of the hexagonal ferrite, determined by performing XRD analysis on the magnetic layer by using an In-Plane method, is equal to or higher than 0.5 and equal to or lower than 4.0, a squareness ratio of the magnetic recording medium in a vertical direction is equal to or higher than 0.65 and equal to or lower than 1.00, FWHMbefore and FWHMafter is greater than 0 nm and equal to or smaller than 7.0 nm, and a difference between spacings measured within a surface of the magnetic layer by an optical interference method before and after the heating in a vacuum is greater than 0 nm and equal to or smaller than 8.0 nm.
A magnetic recording medium comprising:
Dependencies are inferred from the claim text.