Recordable optical disks with dielectric interlayer

摘要

An optical recording disk includes a thin dielectric layer between recording and reflective layers to enhance disk recording stability without affecting the reflection of a recording beam. An optical recording disk comprises: a transparent substrate; a recording layer; a thin transparent dielectric layer of Ge-C-H, Si-N or InSnSb-O material; a reflective layer; and a metal protective layer. The dielectric layer thickness is preferably 1-30nm.