2001 Volume 25 Issue 3_2 Pages 408-413
An integrated design software to analyze optical, thermal and crystallization characteristics of phase change optical disks has been developed. It has been applied to simulate the reflectivity of nano-scale thin films, mark size, effect of super-RENS and effects of sulfur atom diffusion on the recording performance. In order to verify the simulation results, a set of experiments has been designed and carried out. The study results show that the software can simulate accurately the practical processes and then obtain reliable results. The software has been applied to design DVD-RAM 4.7 GB disks with multi layer structure. Based on these simulation results, 4.7 GB/side DVD-RAM disks that can fully meet the DVD-RAM standard have been successfully fabricated, which shows that the software is a powerful tool for the phase change optical disk design.
