发明名称 Copy-protected optical media and method of manufacture thereof
摘要 A method for fabricating read-only copy protected optical medium comprising a light-sensitive material at positions capable of altering the data read during copying of the optical medium but permitting read of the underlying data in the reading of the optical medium.
申请公布号 AU5903301(A) 申请公布日期 2002.01.14
申请号 AU20010059033 申请日期 2001.03.29
申请人 VERIFICATION TECHNOLOGIES, INC. 发明人 JEFFREY M. DREW;RICHARD H. SLINFREUND;RAKESH VIG
分类号 G11B7/24;G11B7/243;G11B7/26;G11B19/04;G11B19/12;G11B20/00;G11B23/28 主分类号 G11B7/24
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