<p>An optical disc having machine-readable, information encoding features includes a coating comprising a dye irreversibly bleachable by light. The dye, once bleached, is operative to change the index of refraction of the dye to inhibit reading of the information encoding features.</p>
申请公布号
WO2006130496(A1)
申请公布日期
2006.12.07
申请号
WO2006US20524
申请日期
2006.05.26
申请人
CONSUMABLE MEDIA LLC;LARSON, LIEF, C.;MERRY, J. BRADFORD;CUNNINGHAM, MICHAEL, P.;OWENS, JAMES, C.
发明人
LARSON, LIEF, C.;MERRY, J. BRADFORD;CUNNINGHAM, MICHAEL, P.;OWENS, JAMES, C.
