Characterised By Two Or More Magnetic Layers {g11b 5/716} Patents (Class G9B/5.278)
  • Publication number: 20120019959
    Abstract: A magnetic recording medium includes a non-magnetic granular layer, and a recording layer provided on the non-magnetic granular layer, wherein the recording layer includes a first granular magnetic layer provided on the non-magnetic granular layer, and a second granular magnetic layer provided on the first granular magnetic layer, and a non-magnetic material magnetically separating metal grains of the non-magnetic granular layer is different from a non-magnetic material magnetically separating magnetic grains of the first granular magnetic layer.
    Type: Application
    Filed: March 2, 2010
    Publication date: January 26, 2012
    Applicant: SHOWA DENKO K.K.
    Inventors: Ryo Kurita, Satoshi Igarashi, Isatake Kaitsu, Akira Kikuchi