Optisches Informationsmedium, sowie Einheit und Verfahren zu dessen Herstellung

摘要

The optical information medium of the invention includes: a first substrate having a first information signal layer; a first reflective film formed on the first information signal layer of the first substrate; a second substrate having a second information signal layer; a second reflective film formed on the second information signal layer of the second substrate; and a photopolymer resin film provided between the first reflective film and the second reflective film for bonding the first substrate and the second substrate with each other. Another embodiment comprises a semi-transparant film on the first information signal layer of the first substrate.