DATA STORAGE MEDIUM
    6.
    发明授权
    DATA STORAGE MEDIUM 有权
    数据存储设备

    公开(公告)号:EP2324477B1

    公开(公告)日:2012-07-25

    申请号:EP09785524.1

    申请日:2009-08-26

    申请人: DataLase Ltd

    IPC分类号: G03C1/73 G03F7/00 G03F7/025

    CPC分类号: G11B7/246

    摘要: A data storage medium comprising recording information in the form of a track of data points, the colour of each data point being selected from at least three different colours, wherein the recording information is disposed on a substrate which comprises a colour forming composition, wherein said colour forming comprises a colour former which is susceptible to changing to at least three different colours when irradiated with a laser, wherein the colour former is a leuco dye, a diacetylene or a carbazole. Methods of forming the data storage medium and methods of reading the medium are also provided.

    DATA STORAGE MEDIUM
    7.
    发明公开
    DATA STORAGE MEDIUM 有权
    数据存储设备

    公开(公告)号:EP2324477A1

    公开(公告)日:2011-05-25

    申请号:EP09785524.1

    申请日:2009-08-26

    申请人: DataLase Ltd

    IPC分类号: G11B7/246

    CPC分类号: G11B7/246

    摘要: A data storage medium comprising recording information in the form of a track of data points, the colour of each data point being selected from at least three different colours, wherein the recording information is disposed on a substrate which comprises a colour forming composition, wherein said colour forming comprises a colour former which is susceptible to changing to at least three different colours when irradiated with a laser, wherein the colour former is a leuco dye, a diacetylene or a carbazole. Methods of forming the data storage medium and methods of reading the medium are also provided.