LIMITED PLAY DATA STORAGE MEDIA AND METHOD FOR LIMITING ACCESS TO DATA THEREON

摘要

A limited play optical storage medium for data is provided which comprises a first optically transparent substrate; a reflective layer; a data layer disposed between said substrate and said reflective layer; a reactive layer that optionally comprises a polyhydroxy compound, at least one carrier, and at least one reactive material; and a second substrate.When the second substrate is a light-absorbing layer, the storage medium includes a reactive layer and a light-absorbing layer.