发明名称 |
SUPPORT SECURISE DE DONNEES A LECTURE OPTIQUE |
摘要 |
The invention concerns a secure optical read data medium (1) comprising a data medium zone (4) readable with a scanning light beam and at least a photosensitive part (5) provided with a sensitive material and exposed to the scanning light beam. The photosensitive material contains an active substance consisting of a compound of the diarylethene family.
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申请公布号 |
FR2813697(A1) |
申请公布日期 |
2002.03.08 |
申请号 |
FR20010006004 |
申请日期 |
2001.05.04 |
申请人 |
DIXET |
发明人 |
DUBOIS JEAN CLAUDE;MILGRAM MAURICE |
分类号 |
G11B7/244;(IPC1-7):G11B7/007;G11B20/00;C09K9/02 |
主分类号 |
G11B7/244 |
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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