Perpendicular magnetic recording disk and process for producing the same

Perpendicular magnetic recording disk and process for producing the same

  • CN 101,777,354 A
  • Filed: 06/29/2005
  • Published: 07/14/2010
  • Est. Priority Date: 06/30/2004
  • Status: Active Application
First Claim
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1. perpendicular magnetic recording disk, it is the disk that is used for perpendicular magnetic recording, it is characterized in that having:

  • Substrate;

    Be formed on this substrate, that have grain pattern and contain the ferromagnetic layer of the oxide of silicon (Si) or silicon (Si);

    WithOn this ferromagnetic layer, contain cobalt (Co) or Co alloy the 1st layer and contain the 2nd layer layer laminate of palladium (Pd) or platinum (Pt).

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