发明授权
US5292585A Magnetic recording medium comprising a magnetic film layer and a coating of purified perfluoropolyther lubricant 失效
包含磁性薄膜层和纯化的全氟聚醚润滑剂涂层的磁记录介质

  • 专利标题: Magnetic recording medium comprising a magnetic film layer and a coating of purified perfluoropolyther lubricant
  • 专利标题(中): 包含磁性薄膜层和纯化的全氟聚醚润滑剂涂层的磁记录介质
  • 申请号: US753230
    申请日: 1991-08-30
  • 公开(公告)号: US5292585A
    公开(公告)日: 1994-03-08
  • 发明人: Yukio OhnukiSatoshi KurosawaAkio Kondo
  • 申请人: Yukio OhnukiSatoshi KurosawaAkio Kondo
  • 申请人地址: JPX Shinnanyo
  • 专利权人: Tosoh Corporation
  • 当前专利权人: Tosoh Corporation
  • 当前专利权人地址: JPX Shinnanyo
  • 优先权: JPX2-226768 19900830; JPX2-293701 19901101
  • 主分类号: G11B5/725
  • IPC分类号: G11B5/725 G11B5/00
Magnetic recording medium comprising a magnetic film layer and a coating
of purified perfluoropolyther lubricant
摘要:
A magnetic recording medium having coated thereon a lubricant of such a purity that no impurities and low molecular weight species are substantially detected by gel permeation chromatography.
公开/授权文献
信息查询
0/0