| 摘要 |
PURPOSE:To obtain the titled magnetic recording medium having excellent short-wave recording and reproducing characteristics and durability by coating particles having mean particle diameter similar to the thickness of a magnetic layer, forming the magnetic layer thereon, then removing the magnetic layer formed on the particles and forming a protective layer thereon. CONSTITUTION:Particles 2 are coated on a substrate 1 consisting of a high molecular material or A1, etc. The mean particle diameter of the particles 2 is regulated to a value nearly equal to the thickness of a metallic thin film magnetic layer 3 and a material having higher hardness than the metallic thin film magnetic layer such as SiO2 which is an oxide and SiC which is a carbide is appropriately used as the material of the particle 2. The metallic thin film magnetic layer 3 is then formed on the substrate 1 coated with the particles 2 by vacuum deposition, sputtering, etc. Subsequently, the magnetic layer 3 on the particles 2 is removed by lapping, etc. Finally, a protective layer 4 of a fluororesin or a carbonaceous thin film, etc., is formed.
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