| 摘要 |
A lubricant film is formed on the surface of a substrate of a magnetic recording medium. The substrate consists of a non-magnetic base layer, a magnetic layer and a protective film, in that order. The substrate is immersed in a lubricant solution in a sealed container. The sealed container is pressurized with an inert gas introduced in the sealed container. The lubricant solution is then discharged, thereby forming a lubricant film on the surface of the protective film. Lubricant film thickness is varied by controlling a discharge rate, either by controlling the gas pressure, or the outflow rate of the lubricant solution.
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