HYBRID OPTICAL DISC UTILISING A DVD AND A CD LAYER

摘要

The application shows a two sided hybrid disc comprising a CD disc body and a DVD disc body which disc bodies have different thicknesses. The CD disc body has a data recording surface and a flat outer surface through which the opposite data recording surface is viewable by a scanning laser. A target material layer deposits on the data recording surface of the DVD disc body. The DVD disc body has a data recording surface, and a flat outer surface through which the opposite date recoding surface is viewable by a scanning laser. A target material layer deposits on the data recording surface of the DVD disc body. The two disc bodies are fixed together with their data recording surfaces facing each other by an adhesive layer.