发明授权
US5981015A Method for selecting a material suitable for a substrate for information recording media, material selected using this method, and magnetic disk formed using this material 失效
用于选择适用于信息记录介质的基板的材料的方法,使用该方法选择的材料和使用该材料形成的磁盘

  • 专利标题: Method for selecting a material suitable for a substrate for information recording media, material selected using this method, and magnetic disk formed using this material
  • 专利标题(中): 用于选择适用于信息记录介质的基板的材料的方法,使用该方法选择的材料和使用该材料形成的磁盘
  • 申请号: US923143
    申请日: 1997-09-04
  • 公开(公告)号: US5981015A
    公开(公告)日: 1999-11-09
  • 发明人: Xuelu ZouHisayoshi Toratani
  • 申请人: Xuelu ZouHisayoshi Toratani
  • 申请人地址: JPX Tokyo
  • 专利权人: Hoya Corporation
  • 当前专利权人: Hoya Corporation
  • 当前专利权人地址: JPX Tokyo
  • 优先权: JPX8-233934 19960904
  • 主分类号: C03C4/00
  • IPC分类号: C03C4/00 G11B5/62 G11B5/73 G11B5/84 G11B7/24 G11B7/26 G11B5/66
Method for selecting a material suitable for a substrate for information
recording media, material selected using this method, and magnetic disk
formed using this material
摘要:
A method for seeking, from an outer circle radius a, an inner circle radius b, and a thickness h of a disc substrate and a deflection Wmax permissive at a time of rotation, a specific elastic modulus G that a material forming the substrate has, ##EQU1## The material for providing a substrate for information recording media having a thickness h of 0.6 millimeter and a deflection Wmax of 1.4 micrometer has a specific elastic modulus G satisfying above Formula (1).
公开/授权文献
信息查询
0/0