Magnetic recording medium and magnetic recording device using the same

A magnetic recording device, for causing a magnetic layer of a magnetic recording medium to magnetically record information, said magnetic recording medium including:

• a substrate;
• and the magnetic layer, made of amorphous magnetic material, for magnetically recording the information, wherein:
• the magnetic layer is made of amorphous magnetic material, and
• the magnetic layer has bumps on a surface thereof, and density of the bumps is not less than 400 bumps/μm2,
• said magnetic recording device comprising magnetic field application means for applying a magnetic field, which determines a magnetization direction of the magnetic layer, to the magnetic layer.

A magnetic recording device, which causes a magnetic layer of a magnetic recording medium to magnetically record information, said magnetic recording medium including:

• a substrate;
• and the magnetic layer, made of amorphous magnetic material, for magnetically recording the information, wherein:
• the magnetic layer is made of amorphous magnetic material, and
• the magnetic layer has bumps on a surface thereof, and height of the bumps is not less than 2% with respect to an average layer thickness of the magnetic layer,
• said magnetic recording device comprising magnetic field application means for applying a magnetic field, which determines a magnetization direction of the magnetic layer, to the magnetic layer.

A magnetic recording device, for causing a magnetic layer of a magnetic recording medium to magnetically record information, said magnetic recording medium including:

• a substrate;
• and the magnetic layer, made of amorphous magnetic material, for magnetically recording the information, wherein:
• the magnetic layer is made of amorphous magnetic material, and
• the magnetic recording medium has bumps on a side of the magnetic layer, and density of the bumps is not less than 400 bumps/μm2,
• said magnetic recording device comprising magnetic field application means for applying a magnetic field, which determines a magnetization direction of the magnetic layer, to the magnetic layer.

A magnetic recording device, for causing a magnetic layer of a magnetic recording medium to magnetically record information, said magnetic recording medium including:

• a substrate;
• and the magnetic layer, made of amorphous magnetic material, for magnetically recording the information, wherein:
• the magnetic layer is made of amorphous magnetic material, and
• the magnetic recording medium has bumps on a side of the magnetic layer, and height of the bumps is not less than 2% with respect to an average layer thickness of the magnetic layer,
• said magnetic recording device comprising magnetic field application means for applying a magnetic field, which determines a magnetization direction of the magnetic layer, to the magnetic layer.

A magnetic recording device, for causing a magnetic layer of a magnetic recording medium to magnetically record information, said magnetic recording medium including:

• a substrate;
• and the magnetic layer, made of amorphous magnetic material, for magnetically recording the information, wherein:
• the magnetic layer is made of amorphous magnetic material, and
• the magnetic layer has bumps on a surface thereof, and density of the bumps is not less than 400 bumps/μm2,
• said magnetic recording device comprising a magnetic field generator for applying a magnetic field, which determines a magnetization direction of the magnetic layer, to the magnetic layer.

A magnetic recording device, for causing a magnetic layer of a magnetic recording medium to magnetically record information, said magnetic recording medium including:

• a substrate;
• and the magnetic layer, made of amorphous magnetic material, for magnetically recording the information, wherein:
• the magnetic layer is made of amorphous magnetic material, and
• the magnetic layer has bumps on a side of the magnetic layer, and height of the bumps is not less than 2% with respect to an average layer thickness of the magnetic layer,
• said magnetic recording device comprising a magnetic field generator for applying a magnetic field, which determines a magnetization direction of the magnetic layer, to the magnetic layer.

A magnetic recording device, for causing a magnetic layer of a magnetic recording medium to magnetically record information, said magnetic recording medium including:

• a substrate;
• and the magnetic layer, made of amorphous magnetic material, for magnetically recording the information, wherein:
• the magnetic layer is made of amorphous magnetic material, and
• the magnetic recording medium has bumps on a side of the magnetic layer, and density of the bumps is not less than 400 bumps/μm2,
• said magnetic recording device comprising a magnetic field generator for applying a magnetic field, which determines a magnetization direction of the magnetic layer, to the magnetic layer.

A magnetic recording device, for causing a magnetic layer of a magnetic recording medium to magnetically record information, said magnetic recording medium including:

• a substrate;
• and the magnetic layer, made of amorphous magnetic material, for magnetically recording the information, wherein:
• the magnetic layer is made of amorphous magnetic material, and
• the magnetic recording medium has bumps on a side of the magnetic layer, and height of the bumps is not less than 2% with respect to an average layer thickness of the magnetic layer,
• said magnetic recording device comprising a magnetic field generator for applying a magnetic field, which determines a magnetization direction of the magnetic layer, to the magnetic layer.