发明名称 |
DATA STORAGE MEDIUM |
摘要 |
<p>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.</p> |
申请公布号 |
EP2324477(A1) |
申请公布日期 |
2011.05.25 |
申请号 |
EP20090785524 |
申请日期 |
2009.08.26 |
申请人 |
DATALASE LTD |
发明人 |
JARVIS, ANTHONY;WYRES, CHRISTOPHER;PHILIPS, TRISTAN;CRIDLAND, JOHN;WALKER, MARTIN |
分类号 |
G03C1/73;G03F7/00;G03F7/025;G11B7/246 |
主分类号 |
G03C1/73 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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