Abstract: The magnetic recording medium includes a non-magnetic support; and a magnetic layer including a ferromagnetic powder, in which the ferromagnetic powder is a ferromagnetic powder selected from the group consisting of a hexagonal strontium ferrite powder and an ?-iron oxide powder, the number of recesses having a depth which is ? or more of a minimum recording bit length existing on a surface of the magnetic layer is less than 10/10,000 ?m2, and a ratio d/tmag of a value d which is ? of the minimum recording bit length to a thickness tmag of the magnetic layer is 0.15 to 0.50.

Abstract: The magnetic recording medium includes a non-magnetic support; and a magnetic layer including a ferromagnetic powder, in which the ferromagnetic powder is a ferromagnetic powder selected from the group consisting of a hexagonal strontium ferrite powder and an ?-iron oxide powder, the number of recesses having a depth which is ? or more of a minimum recording bit length existing on a surface of the magnetic layer is less than 10/10,000 ?m2, and a ratio d/tmag of a value d which is ? of the minimum recording bit length to a thickness tmag of the magnetic layer is 0.15 to 0.50.

Abstract: An aspect of the present invention relates to a magnetic recording medium comprising a nonmagnetic layer containing a nonmagnetic powder and a binder and a magnetic layer containing a ferromagnetic powder and a binder in this order on a nonmagnetic support, wherein the magnetic layer comprises a nonmagnetic powder of which coefficient of variation CV of a particle size distribution as denoted by the following formula (1): CV(%)=?/?×100??(1) is less than 20 percent, and the magnetic layer has a thickness being equal to or less than 0.1 ?m and falling within a range of 1.1??/t?8.0, wherein ? denotes a standard deviation of a particle diameter, ? denotes an average particle diameter of the nonmagnetic powder comprised in the magnetic layer being expressed in ?m, and t denotes a thickness of the magnetic layer being expressed in ?m.

Abstract: An aspect of the present invention relates to a magnetic recording medium comprising a nonmagnetic layer containing a nonmagnetic powder and a binder and a magnetic layer containing a ferromagnetic powder and a binder in this order on a nonmagnetic support, wherein the magnetic layer comprises a nonmagnetic powder of which coefficient of variation CV of a particle size distribution as denoted by the following formula (1): CV(%)=?/?×100 ??(1) is less than 20 percent, and the magnetic layer has a thickness being equal to or less than 0.1 ?m and falling within a range of 1.1??/t?8.0, wherein ? denotes a standard deviation of a particle diameter, ? denotes an average particle diameter of the nonmagnetic powder comprised in the magnetic layer being expressed in ?m, and t denotes a thickness of the magnetic layer being expressed in ?m.