[n: Containing Co] {g11b 5/64d3} Patents (Class G9B/5.24)
  • Publication number: 20130194693
    Abstract: According to one embodiment, a lubricant includes a perfluoropolyether having a chemical structure of wherein Rf is at least one of —CF2O(CF2CF2O)m(CF2O)nCF2— and —CF2CF2O(CF2CF2CF2O)kCF2CF2—, with m representing 0 or a positive integer, n representing 0 or a positive integer, and k representing 0 or a positive integer, and wherein R1 to R4 are selected from a group consisting of —H or with at least one of R1 to R4 being
    Type: Application
    Filed: January 30, 2012
    Publication date: August 1, 2013
    Applicant: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Mina Amo, Katsumi Mabuchi, Hiroshi Yoshida, Bruno Marchon, Qing Dai