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Method of manufacturing a magnetic recording medium

  • US 5,540,957 A
  • Filed: 06/07/1995
  • Issued: 07/30/1996
  • Est. Priority Date: 07/24/1992
  • Status: Expired due to Term
First Claim
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1. A manufacturing method of magnetic recording medium comprising the steps of forming a ferromagnetic thin film on a non-magnetic substrate, forming a hard carbon film on the ferromagnetic thin film, exposing the hard carbon film surface to glow discharge plasma by mixture gas of organic gas containing nitrogen and inorganic gas to form a modified layer, and forming a lubricant layer on the modified layer.

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