| 摘要 |
PURPOSE:To obtain a lubricating agent holding layer having the high holding effect of a lubricating agent which has a functional group capable of improving wear resistance by forming a silicon oxide on the surface of a magnetic disk medium. CONSTITUTION:A magnetic film 2 is formed on a substrate 1 and such silicon oxide 3 in which the ratio, by element, of a silicon element Si to an oxygen element O is >=0.7 and <=1.0 is formed on the magnetic film 2. A hard protective film may be formed between the magnetic film 2 and the silicon oxide 3. The effect of holding the lubricating agent having the functional group can, therefore, be enhanced in the case of coating the lubricating agent having the functional group on the surface of the magnetic disk medium. The higher recording density and the better operating stability and durability of the magnetic head are thereby obtd.
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