Invention Grant
US08524108B2 Magnetic particle and method of preparing the same, and magnetic recording medium 有权
磁粉及其制备方法及磁记录介质

  • Patent Title: Magnetic particle and method of preparing the same, and magnetic recording medium
  • Patent Title (中): 磁粉及其制备方法及磁记录介质
  • Application No.: US13010524
    Application Date: 2011-01-20
  • Publication No.: US08524108B2
    Publication Date: 2013-09-03
  • Inventor: Yasushi Hattori
  • Applicant: Yasushi Hattori
  • Applicant Address: JP Tokyo
  • Assignee: FUJIFILM Corporation
  • Current Assignee: FUJIFILM Corporation
  • Current Assignee Address: JP Tokyo
  • Agency: Sughrue Mion, PLLC
  • Priority: JP2010-010874 20100121; JP2010-166986 20100726; JP2011-003606 20110112; JP2011-009861 20110120
  • Main IPC: G11B5/712
  • IPC: G11B5/712
Magnetic particle and method of preparing the same, and magnetic recording medium
Abstract:
An aspect of the present invention relates to a magnetic particle obtained by heat-treating a hexagonal ferrite magnetic material in reducing atmosphere containing hydrocarbon gas.
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