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.
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 代理人
主权项
地址