申请人:FUJI PHOTO FILM CO., LTD.
公开号:US20030211362A1
公开(公告)日:2003-11-13
A magnetic recording medium is provided which includes a non-magnetic support and a magnetic layer formed on or above the support. The magnetic layer includes a ferromagnetic powder, a binder resin, an abrasive, and a fatty acid ester. The fatty acid ester is a fatty acid alkyl ester compound having an acid hydrolysis rate of 0.030 (1/hr) or less. The abrasive present on the surface of the magnetic layer satisfies the relational expression
0.01≦
H
15
/H
10
≦0.20
where H
10
denotes the number of particles per unit area having a height less than 10 nm (particles/&mgr;m
2
) and H
15
denotes the number of particles per unit area having a height equal to or greater than 15 nm (particles/&mgr;m
2
).